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talk:WikiProject Mathematics/Archive/2014/Jul - Knowledge

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3484:{{a,b}}" that maps each point to the set of all its open neighborhoods, and so on. I'd say, this is similar to describing a vector in this or that coordinate system. But for a vector, our level is much higher! We have the general notion of a coordinate system, a general transformation formula for vector coordinates, and (if we are physicists) we can define a vector as something that transforms this way. For topologies, even this "physical" level is still in the sky! Do we imagine the class of all (rather than these 7) equivalent definitions of a topology? Can we define a topology as something that transforms as required from one definition to another? (Yes, we can do so for the 7 definitions, but I really mean all potentially possible definitions.) 2341:
a geometric object which satisfies axioms (about parallel lines and parallelograms). An affine space (2) can be modelled by an affine space (1), the para-associative law is the existence of parallelograms. A linear space is an affine space (2) with a distinguished point called the origin. A vector space is an affine space (1) with a distinguished element called zero. The questions are, how to present this on Knowledge, and in particular whether the slogan in question is helpful or unhelpful for the reader who wants to understand and remember the material.
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of gamma functions, is different from both. I am now thinking there should be separate articles. For instance, the "semifactorial" n(n-2)... is used in combinatorics, while the gamma-function-defined "double factorial" is not. On the other hand, it's possible the "double factorial" mentioned in some of the analytical articles is not the semifactorial (but it is, in articles on volumes of spheres). I am abandoning the edit of
3551:. I believe that the disciples of homotopy type theory would tell you that if two definitions give you equivalent ∞-categories, then the two definitions are indistinguishable, and therefore you shouldn't worry about the difference. I think, however, that that will not satisfy you. Your question seems to ask for a Bourbaki-style answer in terms of sets with additional structure. 3131:"Semifactorial" would be unambiguous. It "clearly" means alternating factors and nonfactors down to 1. (Cf. Michael Hardy's following comment.) "Odd factorial" would also be unambiguous; it "clearly" means only odd factors down to 1. (I personally never heard of it and have never seen any use of it.) "Double factorial" is the problem. This should be continued on the 3835:'Mathematicians are of course used to identifying isomorphic structures in practice, but they generally do so by "abuse of notation", or some other informal device, knowing that the objects involved are not "really" identical. But in this new foundational scheme, such structures can be formally identified...' (Subsection "Univalent foundations" of Introduction in book: 1976: 2447:"Take an affine space (A,V). Choose a point a as origin. Then you have a particular representation of A, together with a vector space V. You do not have V=(A,V), which is what you are saying, and which is patent nonsense. To get the vector space from an affine space you have to forget A, not choose an origin. The origin is a point in A. It is not in V." 2783:
field is auxiliary, not principal. Accordingly, no one introduces "the forgetful functor from the category of vector spaces to the category of fields". Likewise, for an affine space, its difference space is auxiliary, not principal. Indeed, "a continuously differentiable map from one finite-dimensional affine space to another" means a map from
3869:. While there are surely foundational and metamathematical sources that discuss structural equivalence in these broad terms, the idea of isomorphism occurs in all three systems of set, category and type theory and could be a good launching point for readers. There is already some material on the notions of isomorphism and equality there. -- 3555:
appropriate. (For example, the category "topological spaces in terms of open sets" is isomorphic (not merely equivalent) to the category "topological spaces in terms of closed sets".) So long as you are clear on exactly what kinds of properties you are hoping the definitions to express, this has always seemed sufficient to me.
3962:"Chi-squared divergence" gets 58 hits in GScholar, not a lot, and none of the most cited papers are about this divergence in particular. It is a minor variant in a family of distribution metrics and divergences. I think notability is marginal and may not survive an AfD. The divergence is verifiable, however, and a redirect to 2307:. The section that you continue to try to delete, without consensus, is clearly not meant to be a formal description anyway (even the title of the section is "Informal descriptions".). Regarding the use of the word "forget", the assignment of the affine space underlying a vector space is indeed an example of a 3602:
Categories are very interesting, and I use this occasion for learning more on them. However, I could not like such a definition of topology that cannot answer questions like "is this set open in this topology?" I want to use the Baire category theorem (when applicable). I want to consider probability
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Note 2: Possibly Meserve was the first to use the !! notation but the semifactorial was certainly known long before that. What it was called, if anything, is not known to me. My teachers in the 1960s said the name was "semifactorial" (and I believed them implicitly), so I'm sure there is something
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Such functors may superficially seem to be forgetful in one definition (of the "from" category), but do not sustain transition to an equivalent definition. A topological space may be defined, equivalently, via neighborhoods. An affine space may be defined equivalently... see above... not mentioning a
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This is demonstrably equivalent to the "(A,V)" characterization of affine spaces. I leave the proof of equivalence to RQG as an exercise. And any undergraduate reading this may also find it useful to go through this exercise. By this second characterization of the concept of affine space, a vector
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This says "Take an affine space (A,V)". I take that to mean A is a set and V is a vector space that acts transitively on that set in a way that satisfies certain desiderata. RQG seems to say that if you then delete A from this structure, you're left with V, so that an affine space is something more
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RQG has a point, although he presents it in a way which is not entirely helpful (appeals to personal authority tend not to go down well). The question is about language and the abuse thereof, creative an otherwise. One could unpick the various concepts as follows. A vector space over a field is an
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A notion of a mathematical structure arises from our intuition; and these bijections between different "implementations" are dictated by our intuition (rather than a formal requirement). Therefore the number of "implementations" must be finite (since our intuition cannot do more) (but of course some
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or the origin. The axioms of a vector space are sufficiently abstract that the concept is capable of modelling a linear space. An affine space (1) is an algebraic object which is a principal homogeneous space over a vector space, or a commutative heap on which a field acts. An affine space (2) is
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Insert obligatory quote from Knuth here: "The material that follows comes mostly from a larger area of mathematics known as the theory of graphs. Unfortunately, there will probably never be a standard terminology in this field, and so the author has followed the usual practice of contemporary books
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Surely, in each case these definitions are equivalent. But what exactly does it mean? From the article "Topological space": "there are many other equivalent ways to define a topological space: in other words, the concepts of neighbourhood or of open respectively closed set can be reconstructed from
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It's actually written in a rather impenetrable engineering jargon/style as far as I'm concerned. It's basically just a bunch of examples, and it's kinda missing all its math content/background, which is a bit non-trivial. A search found that the recommend text (up to 1980s or so) for the mathy part
3004:
Excellent idea, David Eppstein. I'm afraid I jumped into a confused area of terminology. For instance, the "double factorial" article gave three definitions of an even "double factorial", one of which is "semifactorial", another of which is called "odd factorial", and the third of which, in terms
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Yes. But, ridiculously, RQG thanks John for clarifying "that an affine space has more structure than a vector space"! I guess, the problem is, not understanding the difference between "principal base sets" and "auxiliary base sets" (in the Bourbaki terminology). For a vector space over a field, the
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It requires some thought. Left invariant vector fields constitute the Lie algebra of a Lie group, so that should probably go into one of the major articles (Lie group?). I think exponential coordinates and group topology perhaps could go in there as well, since they are natural constructs for a Lie
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the equivalence means that "there is a bijection between the field orderings of F and the positive cones of F". I dislike this formulation. As for me, "there is" means "exists", and "exists a bijection" means, equal cardinalities. No, surely this is not meant! Rather, it is meant that the specific
3198:
I agree with both of you (thanks, Michael Hardy). I will still favor "semifactorial" in my own writing. However, as an encyclopedia, WP ought to follow convention. I'm now convinced that "double factorial" is overwhelmingly the most used. And thanks again to Arthur Rubin for reverting for me.
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than a vector space: If you start with an affine space and discard part of the structure, you're left with a vector space. That is consistent with at least this much of the way I originally learned it: An affine space has an underlying set A and some vector space that acts on A in a certain way.
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Just a small comment: it's not a good practice to confuse the zero vector with the origin, or is it? A polynomial ring (over a field) is a vector space but you don't really call the zero polynomial the origin. The term "origin" suggests positional concepts; i.e., a choice of basis/coordinates. The
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Personally, I have long thought that for formal purposes, one should treat different definitions as defining different kinds of structure (whether you're working in terms of structured sets, categories, ∞-categories or whatever) and then prove that those structures are equivalent or isomorphic as
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are application specific, but aren't exactly graphs themselves so don't neatly fit in the 2nd category. The third category seems to be the most problematic, as it seems to contain mostly items that should be in the 2nd one (app-specific graphs) or some variation thereof, i.e. are graphs augmented
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This seems very standard as an intuitive description of an affine space. The zero in a vector space is often called an origin, especially when concerned with the geometry of affine spaces. The article includes a quotation by Marcel Berger including the term "origin" in this context. It should be
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In that case, "Cartan's theorem" is decidedly inappropriate for the "Closed subgroup theorem", much more so than "Lie correspondence" for "Lie group–Lie algebra correspondence", which is actually used in the literature. "Lie correspondence" can hardly be confused with "Algebraic group–Lie algebra
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should be an article in its own right, not only a disambiguation page. The concept clearly applies (under the name "quotient") throughout abstract algebra, and seems amenable to a general definition. It would naturally link to the articles for the concept as applied in subdisciplines, for example
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After more thinking I see how naive is my original idea that functoriality itself can dictate a single bijection between, say, topologies as sets of open sets, and topologies as families of neighborhood filters. (Initially I wrote I do not know whether this fails... now I see it surely fails.)
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Sure. But here I do not really discuss definitions of a vector space. Rather I use this as a metaphor; see my first message, the paragraph "Now, some thoughts". And I would be happy to treat topologies as an abstract data type, and the 7 definitions as 7 implementations (equally "official", or
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Is not the idea of a principal homogeneous space as a space with a free and transitive group action already a geometrical one? One often describes a principal homogeneous space as a group without a fixed identity element. That is a group in which we forget the identity. So I don't think the
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May I say that I have a first in mathematics from Cambridge University, and a Ph.D. in mathematics from University of London, so I think I am by training closer to mathematics than to physics. As has previously been remarked by other, the mathematical definition of vector space, which does not
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About that. "Lie correspondence" didn't seem descriptive enough for me. Considering Knowledge is a general encyclopedia, when there is no official or standard term, it's better to use a descriptive name. This is for example why Knowledge includes the year in the name of an event article: e.g.,
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Thanks for the info. I'll definitely do the closed subgroup theorem because it seems manageable enough. The Lie correspondence is quite an undertaking, and I'll let that be for a little while to come. It really surprises me that there is no such article because the Lie correspondence is truly
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Tastes differ. In the theory of Banach spaces it is very usual to call 0 the origin. If I think of the vector space of polynomials geometrically, then indeed I think of 0 as the origin, of constant polynomials as a straight line through the origin, and so on. But maybe this is typical for a
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Note 3: There should be a distinction between notation and concept. The function "semifactorial" ("double factorial" in the parity product meaning) is not the same as the "double factorial" notation. Is the article to be about the function(s) or the notation? (Is the answer obvious?!)
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I think it's helpful here to distinguish the defining properties of a mathematical object (e.g. a vector space is a group with a scalar multiplication operation over a field (etc), its dimension if finite is the maximum number of independent vectors, etc) from the models of those objects
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Many of the things in the 3rd list are data structure that take the form of graphs. I agree that they should be separate from data structures for representing graphs. The category for data structure in the form of graphs should probably be a subcategory of application-specific graphs.
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other starting points and satisfy the correct axioms". But it refers to the main article "Characterizations of the category of topological spaces"; there the equivalence means isomorphism of categories. This does not make me happy. First, having the category of topological spaces
2095:? The term would work perfectly in the books with the titles containing "Lie groups" but not quite in the places like here. The same problem with "closed subgroup theorem". Without context, it's not clear it's a result in Lie theory, while "Cartan" conjures the feel of Lie :) -- 3887:
Maybe. But, as noted by David (above), it is rather a cryptomorphism. Indeed, it is unusual to consider isomorphisms between different (differently described) structures. Moreover, in order to introduce such notion, a specific transition between such structures must be chosen.
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algebraic object with algebraic axioms. Being a group it has a zero element. A linear space (a term which is not much in use, and here redirects to vector space) is a geometric object satisfying certain geometric axioms. As a geometric object it has a special point called
3493:(in other words, naturally isomorphic) functors. It is tempting to consider the whole equivalence class of functors (similarly to the class of all coordinate systems). Pretty elegant, and general (applies to all structures, not just topologies). However, there is a problem. 2113:(one form of it actually refers to a form of the Lie correspondence)) in the literature, but have always seen "Lie correspondence". But let us not argue about this. The descriptive names (as they are now) are, in view of this discussion, clearly better in both cases. 1338:, I suspect the current version of the article covers a non-notable distribution which shares a name with a vastly more notable one, the latter of which is also called the Pólya-Aeppli distribution. We should rewrite the article so it covers the notable topic. 3569:
I think that seeing the equivalence between defining topological spaces in terms of open sets or in terms of closed sets as categorical is somewhat weaker than what's going on the the mind of the mathematician: they are attempts to define the "same thing".
4150:(ec) Current convention is not to delete articles if the underlying topic is notable. Is there a single thing that is represented by "Grafting (ordered tree)" that could be used to cut an unsatisfactory article back to a stub and then grown out again? 3860:
I agree that type theory presents an intriguing alternative to set theory and category theory as a foundational system. In Shulman's piece, there was a good discussion of equality and isomorphism. Getting back to your original proposal, perhaps the
2311:. If one regards vector spaces geometrically, rather than algebraically, it is precisely the functor that "forgets" the origin. This perspective is well-supported by high quality references (and standard use in the mathematical community). 2148:
Please look. Recent edits are generally constructive, but made by a person closer to physics than math (I feel so), with somewhat different philosophy. As for me, the views of physicists are welcome, but our views should not be exterminated.
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For topologies in general, I do not know. (Do you?) But for some mathematical structures the answer is discouraging: yes, there exists a nontrivial natural equivalence from one such functor to itself. For groups, it happens because of
3119:, all of which coincide if the argument is an odd integer (positive or negative), and differ if the argument is a nonnegative even integer. As we (Knowledge) seem to use it only for integer arguments, it may make a difference. — 2262:
mention an origin. It has an identity element, which certainly cannot be forgotten, and which cannot be identified with an origin. It is not appropriate for mathematical articles to be written by people abusing mathematical words.
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Thus, it seems, we are able to list a finite number of definitions (for a given mathematical structure) and write down a consistent (that is, commutative) system of natural equivalences between them. But we are unable to do more.
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Your sarcasm is unwarranted. Deltahedron is a well-known contributor here, and his comments are calm and in line with Knowledge policy. We all share your frustration with material that shouldn't be on Knowledge but is.
3419:. "The utility of the notion of a topology is shown by the fact that there are several equivalent definitions of this structure. Thus one chooses the axiomatisation suited for the application." (From "Topological space".) 3945:
Maybe not. Google gives me 5270 results to "Chi-squared divergence" (with the quotation marks). Surely, the author did very little. I am not enthusiastic to collaborate in that. But the topic could have some notability.
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I still do not know what is a topology on a given set. Second, yes, continuous maps are most natural as morphisms, but other possibilities exist (and are sometimes used), such as open maps or even Borel measurable maps.
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The true meaning of a mathematical notion, on one hand, and its specific encoding (via sets), on the other hand, should not be confused. An equivalent definition leads to the same notion, but (often) another encoding.
3726:-bit binary numbers, with bitwise exclusive or, but all three give naturally-isomorphic finite dimensional vector spaces.) You could define a finite dimensional real vector space as being a vector space isomorphic to 3358:
Some of that is just articles not yet having been sorted into appropriate subcategories of the main graph theory category. If you think they should be in a specific subcategory (as seems likely in this case) please
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Well, it actually might last 8 more years. Someone "saved" it by pasting a bunch of references to papers about graphs being used for something else, papers that happen to have a guy named Muller among the authors.
2958:, claiming that this name is both more traditional and more correct, and has edited many other articles to implement the same change. Some of us disagree. Please join the discussion at Talk:whichever name it is. — 2280:" has an identity element ... which cannot be identified with an origin." This statement is just false, both as a statement about formalisms and as a statement about common usage by mathematicians. -- 1570: 63: 4164:
In the time it took you write that you could have done the trivial work of clicking the article's history and see for yourself that the answer is no. If you really think that the editor who made
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isn't willing to do it, then he needs to stop editing until this can be resolved. "Google scholar" searches are even more impressive (238 v 1880), but few of either of them are this topic. —
3924: 1509:, who has recently created two very cranky looking articles (with main citations in MDPI, a predatory low-value journal) and started adding links to them from articles on CS and fractals. -- 3507:. For topologies on two-element sets, it happens because of possible swapping of "{{},{a},{a,b}}" and "{{},{b},{a,b}}" (exercise: check that continuous maps are insensitive to this swap). 3487:
Given a cardinality α, introduce the category S(α) of all sets of this cardinality, with bijections (not all maps!) as morphisms. Each definition of topology leads to a functor S(α)-: -->
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measures in topological spaces, and see that (under appropriate conditions on the topology) each measure sits on some sigma-compact set. Etc, etc. Can I do it in the category language?
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is another pearl. Lesson learned: I'm not mentioning it on Jimbo's page. This article is already in "saved" format, meaning it consists of a bunch of non-sequiturs with some ref tags.
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There is still the issue of the three contradictory definitions of "double factorial" as well as the ambiguously related term "odd factorial". According to the WP article, the use of
3416: 2087:. Of course, the perception depends on references one uses. But let me try this way too: "Lie correspondence" isn't precise enough; why "Lie" here has to refer to Lie groups? Why not 1194: 1190: 1186: 1182: 1178: 1174: 1170: 1166: 1162: 1151: 1147: 1143: 1139: 1135: 1131: 1127: 1123: 1119: 1115: 1111: 1107: 1092: 1088: 1084: 1080: 1076: 1072: 1068: 1064: 1060: 1056: 1052: 1048: 1037: 1033: 1029: 1025: 1021: 1017: 1013: 1009: 1005: 1001: 997: 993: 982: 978: 974: 970: 966: 962: 958: 954: 950: 946: 942: 938: 927: 923: 919: 915: 911: 907: 903: 899: 895: 891: 887: 883: 872: 868: 864: 860: 856: 852: 848: 844: 840: 836: 832: 828: 817: 813: 809: 805: 801: 797: 793: 789: 785: 781: 777: 773: 762: 758: 754: 750: 746: 742: 738: 734: 730: 726: 722: 718: 707: 703: 699: 695: 691: 687: 683: 679: 675: 671: 667: 663: 652: 648: 644: 640: 636: 628: 624: 620: 616: 612: 608: 597: 593: 589: 585: 581: 577: 573: 569: 565: 561: 557: 553: 542: 538: 534: 530: 526: 522: 518: 514: 510: 506: 502: 498: 487: 483: 479: 475: 471: 467: 463: 459: 455: 451: 447: 443: 432: 428: 424: 420: 416: 412: 408: 404: 400: 396: 392: 388: 377: 373: 369: 365: 361: 357: 353: 349: 345: 341: 337: 333: 322: 318: 314: 310: 306: 302: 298: 294: 290: 286: 282: 278: 267: 263: 259: 255: 251: 247: 243: 239: 235: 231: 227: 223: 212: 208: 204: 200: 196: 192: 188: 184: 180: 176: 172: 168: 157: 153: 149: 145: 141: 137: 133: 129: 125: 121: 117: 113: 4168:
could possibly write something intelligent in a math/CS article, then you probably drank too much wikicoolaid about the encyclopedia that anyone can (but should?) edit and so forth.
3156:"Semifactorial" seems like a good name for the concept, because you're only multiplying half the integers. I don't recall having heard it before. I've always thought the notation 2379:
terminology to make the discussion easier -- I'm not claiming these are universally accepted terms or that Knowledge should use them: I'm asking how they should be presented.
3730:, but you'd need to have already defined vector spaces and isomorphisms already for that to even make sense, and it would be an ugly definition to choose as the primary one. — 1157: 1102: 1043: 988: 933: 878: 823: 768: 713: 658: 603: 548: 493: 438: 383: 328: 273: 218: 163: 108: 25: 3332:
That sound good to me. Still, the smaller problem of categorizing app/domain specific concepts (rather than whole graphs) remains. They seem to be all over the place. E.g.
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Thanks for that. As far as unwanted content is concerned, I simply want us to distinguish between useful/useless topics for articles and useful/useless article content.
2754:
Viewed in that way, a vector space is an affine space with some additional structure. And this way of viewing it is demonstrably equivalent to the "(A,V)" point of view.
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I don't think so since Cartan's theorem, in my impression, is fairly standard usage, while the term "Lie correspondence" doesn't appear in any of sources that are used in
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that is a reference to the more-inclusive concept (but not to all the links in the current disambiguation page), when none of the individual articles will do as a target.
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Dear mathematicians: Some time ago I asked about this draft article, but received no reply. I am assuming that it is not a notable topic and should be deleted. —
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is not well defined. There needs to be some work on that. Some of my edits were to put the "correct" definition in some articles. That still should be done.
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If I ask you "give me an example of a topology on the 2-element set {a,b}", you may give me the set "{{},{a},{a,b}}" of all open sets, or the function "a-: -->
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I have exactly the opposite impression from the literature. I have never seen "Cartan's theorem" (much more ambiguous than "Lie correspondence" according to
1716: 3641:. One definition is taken as the official definition and the equivalent definitions are rolled into a theorem stating that they are all the same thing. 2413:
I think this seems like a much more productive direction than continued quibbling over the informal description. There is good stuff in that article.
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I have rewritten the article completely. As it was before, it managed to miss the majority of the classical groups, but instead had bits and pieces on
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references to "semifactorial" outside of Knowledge. "Semi-factorial" and "Semi factorial" are sometimes used. I think this needs to be reverted.
2084: 2028: 1804: 2853:, from the category of topological spaces to the category of lattices. However, would anyone call this functor "forgetful"? Definitely, I would not. 2303:
has a long and distinguished tradition in mathematical discourse, being frequently employed even by such luminaries of the formalist perspective as
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mentions the Lie correspondence for nilpotent and solvable cases but doesn't expound upon it. There are existing red links in various articles for
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definition of "affine space" that I like is that it is an element if a quotient space V/W. The problem with this definition is that it is not
3235: 1206: 1202: 1198: 3533:. The article is very specific to matroid theory, though, and I don't know if that specific word has been used in a lot of other contexts. — 4490: 3278: 3086:
Thank you, Arthur Rubin, for your help. All in all, I made a stupid mistake. I will check to see if there are any further reverts needed.
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I can live with naming the article I wrote either "Closed subgroup theorem" or "Cartan's theorem", either way is fine. But I really think
2811:). Accordingly, I think, "the forgetful functor from the category of affine spaces to the category of vector spaces" is not a good idea. 2550:
involves an underlying set A whose members let us call "points", and and a field F whose members are called scalars, and an operation of
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Is it true that for every pair of naturally equivalent functors (of this kind) there exists only one natural equivalence between them?
4437: 4389: 4085: 3345: 3303: 3251: 1258: 1670: 4062: 3702:). (Coming from a CS point of view, I think of these as analogous to abstract data types vs their implementations.) I wouldn't use 3679:
This is exactly what I'd like to avoid. In the vector metaphor, it means: "officially" define a finite-dimensional vector space as
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involves an underlying set V whose members are called vectors, and a field F whose members are called scalars, and an operation of
3242:. Chapters 3-4 in particular, but most of the book is basically just about this topic. There actually two signal-flow graphs, the 2210:
Presumably in an encyclopedic article it would be good to have at least a brief discussion of all these different perspectives. --
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with various other info. Most of the stuff in the 3rd category aren't actually ways to implement graphs as data structures, e.g.
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Isn't "The location of the gap in somebody's understanding?" quite a nasty subject title? There may be holes in your brain too.
2051: 1446: 1438: 1391:(lower-case "s") and changed the latter to a disambiguation page, so far with only two main links and a "see also" link. So: 4498: 3718:-tuples of members of GF(2), with pointwise addition, as having a different data type than subsets of the numbers 0, 1, ..., 3283: 1506: 1331: 1324: 2922: 2420: 2366: 2318: 2234: 1580: 4038:
appears to be in a rather poor state for an old and important article. I only noticed it because someone changed a link at
1827:(not submitted yet, you are welcome to comment on its talk page), I bumped into the following missing articles candidates; 3273: 2031:
should be renamed to "Lie correspondence". It sounds better and seems to be a little more common, including in Knowledge.
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The Estonian and Farsi Wikipedias use "double", while Swedish uses "semi". The more I look, the more confused I get. —
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vector space. The functors are still well-defined, but do not seem to be "forgetful" anymore. Since really they are not.
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this notion that an affine space is (A,V) where A and V satisfy certain conditions and are related in certain ways is
1297: 1238: 1483:, trying to cover enough for a reader to understand both generalized and particular meanings and uses of the term. ᛭ 2988: 3802: 2841:
is in fact a partially ordered set (by inclusion), moreover, a lattice. It is legitimate to consider the functor (
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to serve as the origin or zero or whatever you want to call it, and and then one can define a linear combination
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In being rooted, I would imagine. Propose a merge and redirect if you think the difference is insufficient.
1357: 4407: 4130: 4121: 3436: 3432: 3341: 3290: 3165: 3160:!! is obnoxious because it looks like the factorial of the factorial, and that is not at all what is meant. 2898: 2770: 2285: 2215: 1874: 1840: 1794: 1728: 1697: 1622: 1514: 1406: 1365: 1311: 1274: 1254: 4486: 4431: 4403: 4393: 4089: 4007: 3504: 3490: 3392: 3349: 3307: 3255: 3190: 3123: 3070: 3058: 2641:
space is an affine space with this bit of additional structure: One chooses some point which we will call
2174: 2100: 2059: 2050:, even the term is not commonly used in media. Also, "Lie correspondence" is a little ambiguous; there is 2007: 1812: 1293: 4454: 4376: 4347: 4315: 4283: 4191: 4155: 4015: 3971: 3935: 3874: 3575: 3337: 3132: 2384: 2349: 1963: 1886: 1755: 1747: 1642:
that apparently fancied the authors more than classical Lie groups. I have retained most of that stuff,
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now, but the text is available in the history if anyone wants to add some of it to the main article. —
2166: 4493:. A redirect there might be marginally helpful, but I'm not going to argue too strenuously for it. 3810: 3499:
Even simpler: what if there exists a nontrivial natural equivalence from one such functor to itself?
3250:
and they can be converted to each other easily, but no such info can be gleaned from wikipeidia etc.
2912: 1832: 1673:. As it is a major change, I'd like some consensus and, if possible some help, before proceeding.-- 1646:, but I think it should go somewhere else. Suggestions? I opened a thread at the article talk page. 1594:. I will never be able to figure out why people think that content like this is worth having in WP. 4411: 4066: 4047: 3731: 3646: 3534: 3364: 3319: 2959: 1674: 1562: 1547: 1529: 1488: 4410:
appear to be substantially identical, despite having been created by apparently different users,
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on graph theory, namely to use words that are similar but not identical to the terms used in any
4208: 4186:. If there is no prospect of writing even a short stub, then that is an argument for deletion. 4117: 4081: 4035: 3299: 3161: 3016:
Note 1: I made a bad mistake by assuming this was a simple matter. I acknowledge it was my bad.
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I'm guessing the first one is intended for "core" graph theory concepts. But some concepts like
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Lots of pages link to the new disambiguation page. Those need to get appropriatedly directed.
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of a finite dimensional vector space; it (together with the right tuple of operations) is an
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I agree it seems a good name. I've just never seen it used, and we need a related name for
3140: 3112: 3102: 3029: 3010: 2951: 2941: 2866: 2816: 2404: 2380: 2345: 2304: 2193: 2154: 1959: 1882: 1751: 1262: 1221: 1219: 39: 1462:, but somehow with reference to the structure-preserving concept, is that the right name? — 4183: 3446: 3442: 3302:
seems to belong to 2 instead—the article doesn't even say how these might be implemented.
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Really, now I feel that the "abstract data type" (thanks to David) is the most apt word.
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is actually citing its source correctly, except the source doesn't make (much) sense.
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Another similar case (for example). A topological space is usually defined as a pair (
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For those following the story, an admin decided to keep. The decision has since been
1426: 1289: 1285: 2396: 1933: 4419: 4329: 4297: 4275: 4250: 4231: 4212: 4169: 4134: 4100: 3963: 3683:, and then discuss arbitrary coordinate systems in addition to the "official" one. 3247: 2880: 2244: 2114: 2092: 2070: 2032: 1981: 1937: 1909: 1844: 1772: 1701: 1647: 3269:
There seem to be 3 categories that more or less overlap in their actual contents:
1330:
Someone more knowledgeable about probability theory may want to check out the new
1843:(coordinates associated with the group topology, rarely mentioned in Knowledge). 4293: 3985: 3947: 3910: 3889: 3862: 3846: 3822: 3788: 3746: 3684: 3604: 3515: 3489:(the set of all topologies on this set). Two equivalent definitions lead to two 3243: 3200: 3136: 3098: 3051: 3025: 2937: 2862: 2812: 2400: 2189: 2150: 2088: 1739: 1442: 4388:? Same content, "different" user. Allow me to be frustrated just a little bit. 3807:"Why do categorical foundationalists want to escape set theory?" (Mathoverflow) 1881:
mentions, but does not define, left and right invariants of various objects. --
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Talk:Affine space#"Forgotten which point is the origin": gibberish or functor?
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issues after RQG's insistent misunderstanding of Baez's post on the matter.
2632:, and this operation of affine combination satisfies certain algebraic laws. 2543:, and this operation of linear combination satisfies certain algebraic laws. 1972:
Ty, blushing. You have probably not yet spotted all errors bound to be there
1746:; I say go for the stub. "Closed subgroup theorem" is in a list of todos at 1339: 3722:− 1, with symmetric difference of sets, and that in turn is different from 2911:
Problems at that article appear to continue. I begin to suspect definite
4402:
Just to spell this out for the benefit of passing readers: the articles
2467:
only one way of encoding the concept of affine space. There are others.
4116:
Before reading that, I had not suspected that no scalars are negative.
3836: 1958:
Wow, nice work on short notice. It looks ready for mainspace to me. --
4324:
May I suggest to you to spend the next 500 years of your life saving
1936:. I want it to go the official way to get some sort of sanity check. 1771:
fundamental result (or rather class of results) of Lie group theory.
3787:
Now the question is, to which extent is it (not) Original Research?
1437:, quotient set ... and the like. This is exemplified by the link to 2002:? (there is no question the theorem deserves an article on it.) -- 1395:
The disambiguation page would probably benefit from more work; and
3547:
The question about nontrivial natural equivalences reminds me of
3476:
correspondence described there in the next lines is a bijection.
1877:, perhaps a a defn of left and right invariants could go there? 1750:, so seems like a reasonable candidate for an article as well. -- 1717:
Representation_theory_of_the_Lorentz_group#The_Lie_correspondence
1449:
would then become a disambiguation page rather than a redirect. —
3966:, where it is mentioned, seems warranted if this is not kept. -- 3814: 3714:
of a finite dimensional vector space. (For instance, I think of
3391:, I'd like to have an article about "Equivalent definitions of 1723:. I found both of those articles using Knowledge's search box. 1571:
Knowledge:Articles for deletion/Jacob Barnett (2nd nomination)
1224: 33: 3639:
finite set#Necessary and sufficient conditions for finiteness
3042:
I know we cannot depend on Google searches, but Google finds
1700:
under different names? If not, I might write stubs for them.
3013:, until this is cleared up. I can't clear it all up myself. 2375:
I'm trying to unpack the various possible meanings using an
3925:
Knowledge talk:Articles for creation/Chi-squared divergence
3402:(b) Which part of the said can we find in reliable sources? 3838:
Homotopy Type Theory: Univalent Foundations of Mathematics
2188:
relatively small group of mathematicians? I do not know.
1803:
I don't think it's a good redirect. I simply started the
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I see there are (possibly more than 2) definitions of
2765:
has joined the discussion on the article's talk page.
2141:
Affine space, forgot the origin: gibberish or functor?
3784:
parameters running over infinite sets could appear).
2024:
is Cartan's theorem too, at least in its global form.
3909:; please look. Improvements are welcome, of course. 1839:
mentioned anywhere, is it unusual terminology?) and
1292:
on the recent development has already been created.
4418:. The articles have been proposed for deletion by 3344:is in category #1 ("objects") from the above list. 4030:"Constant curvature" needs some tender loving care 2359:distinction you're making reflects actual usage. 3907:Equivalent definitions of mathematical structures 3867:equivalent definitions of mathematical structures 3399:(a) What can we reasonably say in this direction? 3383:Equivalent definitions of mathematical structures 1544:Knowledge:Articles for deletion/Frequency fractal 1526:Knowledge:Articles for deletion/AjoChhand Machine 4061:For some amusement, before it's gone, check out 3865:article would be a good location to expand upon 3803:"From Set Theory to Type Theory" by Mike Shulman 1644:Classical groups over general fields or algebras 3265:Graph categories: some clean-up might be needed 4184:comment on the content, not on the contributor 3637:You might want to follow the example I set in 4485:I have amused myself by completely rewriting 4063:Is theta a scalar quantity or vector quantity 3801:Something that would be indirectly relevant: 1232:This page has archives. Sections older than 57: 8: 1740:Lie algebra#Abelian, nilpotent, and solvable 1671:Talk:List of mathematical symbols#Reorganize 4489:. The article is no more and no less than 3395:". To this end I ask myself two questions: 2691:need not add up to 1 by saying that it is 1383:(with capital initials) from a redirect to 3020:more to the history than the article says. 2052:Algebraic group–Lie algebra correspondence 64: 50: 2977:but this seems like it was a bad move. -- 1253:I was wondering if we have an article on 3529:There is something like this already at 2343:Obvious but important mistake corrected. 3964:f-divergence#Instances of f-divergences 2243:Gibberish, but good gibberish. Let in. 1661:Talk:List of mathematical symbols reorg 88: 4385:What can I say. Do I see double today 18:Knowledge talk:WikiProject Mathematics 4517:WikiProject Mathematics archives/2014 3841:. The Univalent Foundations Program. 2837:being the set of "open" subsets. The 2169:, but works perfectly otherwise. -- 7: 4491:Left-child right-sibling binary tree 4342:Why? Do you think it's important? 3279:Category:Application-specific graphs 2893:I felt so too, and have retitled. -- 2085:Lie group–Lie algebra correspondence 2029:Lie group–Lie algebra correspondence 1973: 1807:, though it's far from complete. -- 1805:Lie group–Lie algebra correspondence 1665:I have proposed a reorganization of 3817:(redlink to "SEAR (mathematics)"); 2469:One of those other goes like this: 2437:The nature of the misunderstanding? 1458:On review, perhaps that article is 1259:scheduled relaxation Jacobi method 45:WikiProject Mathematics archives ( 32: 3389:recent trouble with affine spaces 2933:Double factorial vs semifactorial 1785:As a placeholder, I have created 1505:Just wanted to draw attention to 1236:may be automatically archived by 3298:seem okay in that category, but 1974: 1831:(often mentioned in Knowledge), 1257:? I noticed a new variant of it 38: 4274:is clearly a notable concept. 1447:Quotient space (disambiguation) 1439:Quotient space (disambiguation) 1334:article. As I explained on the 3745:equally "unofficial"). Can I? 3284:Category:Graph data structures 3186:sounds particularly weird. — 1332:Geometric Poisson distribution 1325:Geometric Poisson distribution 1: 4230:. Vertices ≠ nodes for some. 3361:go ahead and make that change 3274:Category:Graph theory objects 1284:We do have an article on the 3843:Institute for Advanced Study 3093:!! for even natural numbers 2048:2014 Northern Iraq offensive 1823:While writing the draft for 1667:List of mathematical symbols 2554:by which one takes scalars 2481:by which one takes scalars 4533: 4057:Soon-to-be-deleted article 3984:Ah, yes, a good redirect. 2395:One more source of ideas: 2227:allowed to stay as it is. 1748:Talk:List of theorems#TODO 1688:Do we have these articles? 4503:03:26, 30 July 2014 (UTC) 4459:16:33, 26 July 2014 (UTC) 4398:14:39, 26 July 2014 (UTC) 4381:08:30, 26 July 2014 (UTC) 4367:23:44, 25 July 2014 (UTC) 4352:20:42, 25 July 2014 (UTC) 4338:20:35, 25 July 2014 (UTC) 4320:20:29, 25 July 2014 (UTC) 4306:20:24, 25 July 2014 (UTC) 4288:19:36, 25 July 2014 (UTC) 4259:19:33, 25 July 2014 (UTC) 4240:19:29, 25 July 2014 (UTC) 4221:19:27, 25 July 2014 (UTC) 4196:20:46, 25 July 2014 (UTC) 4178:20:23, 25 July 2014 (UTC) 4160:19:31, 25 July 2014 (UTC) 4143:19:25, 25 July 2014 (UTC) 4126:19:12, 25 July 2014 (UTC) 4109:19:25, 25 July 2014 (UTC) 4094:10:01, 23 July 2014 (UTC) 4075:07:02, 23 July 2014 (UTC) 4052:02:37, 30 July 2014 (UTC) 4020:01:55, 30 July 2014 (UTC) 3994:21:10, 27 July 2014 (UTC) 3976:20:49, 27 July 2014 (UTC) 3956:20:14, 27 July 2014 (UTC) 3940:19:24, 27 July 2014 (UTC) 3919:19:14, 28 July 2014 (UTC) 3898:19:25, 24 July 2014 (UTC) 3879:18:19, 24 July 2014 (UTC) 3855:16:59, 24 July 2014 (UTC) 3831:13:22, 24 July 2014 (UTC) 3797:08:58, 21 July 2014 (UTC) 3755:08:28, 21 July 2014 (UTC) 3740:07:44, 21 July 2014 (UTC) 3693:07:31, 21 July 2014 (UTC) 3651:07:07, 21 July 2014 (UTC) 3613:05:35, 21 July 2014 (UTC) 3598:03:24, 21 July 2014 (UTC) 3580:21:41, 20 July 2014 (UTC) 3565:21:06, 20 July 2014 (UTC) 3543:18:51, 20 July 2014 (UTC) 3524:18:29, 20 July 2014 (UTC) 3471:According to the article 3373:21:03, 22 July 2014 (UTC) 3354:19:09, 22 July 2014 (UTC) 3336:is in the main category ( 3328:16:12, 21 July 2014 (UTC) 3312:13:14, 21 July 2014 (UTC) 3260:04:45, 21 July 2014 (UTC) 3220:could use a bit more math 3209:16:36, 18 July 2014 (UTC) 3194:15:38, 18 July 2014 (UTC) 3170:23:54, 17 July 2014 (UTC) 3145:16:40, 18 July 2014 (UTC) 3127:18:27, 17 July 2014 (UTC) 3107:15:14, 17 July 2014 (UTC) 3074:07:49, 17 July 2014 (UTC) 3062:06:11, 17 July 2014 (UTC) 3034:04:57, 17 July 2014 (UTC) 2998:04:50, 17 July 2014 (UTC) 2968:04:40, 17 July 2014 (UTC) 2927:18:21, 17 July 2014 (UTC) 2903:16:28, 17 July 2014 (UTC) 2889:15:50, 17 July 2014 (UTC) 2871:08:02, 17 July 2014 (UTC) 2821:05:50, 17 July 2014 (UTC) 2775:03:54, 17 July 2014 (UTC) 2761:I am pleased to see that 2425:19:38, 16 July 2014 (UTC) 2409:19:12, 16 July 2014 (UTC) 2389:18:44, 16 July 2014 (UTC) 2371:17:58, 16 July 2014 (UTC) 2354:17:25, 16 July 2014 (UTC) 2123:16:46, 16 July 2014 (UTC) 2105:16:02, 16 July 2014 (UTC) 2079:14:42, 16 July 2014 (UTC) 2064:11:31, 16 July 2014 (UTC) 2041:02:14, 16 July 2014 (UTC) 2012:01:41, 16 July 2014 (UTC) 1990:00:22, 16 July 2014 (UTC) 1968:00:16, 16 July 2014 (UTC) 1946:23:50, 15 July 2014 (UTC) 1918:23:50, 15 July 2014 (UTC) 1891:23:34, 15 July 2014 (UTC) 1853:21:11, 15 July 2014 (UTC) 1817:01:00, 15 July 2014 (UTC) 1799:23:28, 14 July 2014 (UTC) 1781:22:46, 14 July 2014 (UTC) 1760:21:11, 14 July 2014 (UTC) 1733:20:56, 14 July 2014 (UTC) 1710:20:20, 14 July 2014 (UTC) 1683:15:26, 14 July 2014 (UTC) 1656:18:30, 11 July 2014 (UTC) 1627:14:55, 11 July 2014 (UTC) 1585:12:15, 25 June 2014 (UTC) 1467:19:42, 22 June 2014 (UTC) 1454:19:24, 22 June 2014 (UTC) 1411:18:38, 12 June 2014 (UTC) 1267:10.1016/j.jcp.2014.06.010 4278:would be easy to find. 4249:books on graph theory." 4080:Well, at least that one 3409:First, some case study. 3334:dominator (graph theory) 2323:18:41, 8 July 2014 (UTC) 2290:17:52, 8 July 2014 (UTC) 2272:17:39, 8 July 2014 (UTC) 2253:16:23, 8 July 2014 (UTC) 2239:15:36, 8 July 2014 (UTC) 2220:15:03, 8 July 2014 (UTC) 2198:13:42, 8 July 2014 (UTC) 2179:12:52, 8 July 2014 (UTC) 2159:10:46, 8 July 2014 (UTC) 1604:13:28, 9 July 2014 (UTC) 1556:02:21, 8 July 2014 (UTC) 1538:21:20, 7 July 2014 (UTC) 1519:13:19, 7 July 2014 (UTC) 1493:05:56, 7 July 2014 (UTC) 1370:13:46, 4 July 2014 (UTC) 1358:Draft:Deformation tensor 1348:17:21, 3 July 2014 (UTC) 1316:07:28, 2 July 2014 (UTC) 1302:06:44, 2 July 2014 (UTC) 1279:06:01, 2 July 2014 (UTC) 1255:Jacobi iterative method 4408:Grafting (ordered tree) 4131:Grafting (ordered tree) 3433:Differentiable manifold 3393:mathematical structures 3342:interval (graph theory) 3291:interval (graph theory) 2016:How funny. It looks in 1998:Shouldn't it be called 1934:Closed subgroup theorem 1841:Exponential coordinates 1825:Closed subgroup theorem 1698:Closed subgroup theorem 1261:was recently published 4182:It is more helpful to 4008:Chi-squared divergence 1610:AfC submission - 11/07 1353:AfC submission - 04/07 1239:Lowercase sigmabot III 3338:Category:Graph theory 3227:Wai-Kai Chen (1971). 3133:Talk:Double factorial 2452:End of quote from RQG 1932:Draft now submitted: 1431:Quotient vector space 4495:Lesser Cartographies 4487:Grafting (algorithm) 4404:Grafting (algorithm) 4228:figured that one out 3811:Homotopy type theory 3491:naturally equivalent 3479:Now, some thoughts. 3229:Applied Graph Theory 2513:, one gets a vector 1416:It seems to me that 4292:And different from 4082:didn't last 8 years 4006:It's a redirect at 3488:S(β), (a set)-: --> 3483:{{a},{a,b}},b-: --> 2602:, and gets a point 4272:Rooted binary tree 4209:rooted binary tree 4036:Constant curvature 3387:Bothered with the 3300:and-inverter graph 3182:as an instance of 2983: 2552:affine combination 2479:linear combination 2022:Lie correspondence 1835:(strangely enough 1787:Lie correspondence 1744:Lie correspondence 1694:Lie correspondence 1640:groups of Lie type 1569:Please comment at 1565:is up for deletion 1435:Quotient semigroup 1375:Quotient space (2) 3465:up to isomorphism 3413:Topological space 3237:978-0-444-60193-3 3218:signal-flow graph 2981: 2973:Wow. I'm all for 2797:(surely not from 2442:Quote from "RQG": 2397:nLab:affine space 2344: 2309:forgetful functor 2301:Abuse of language 2069:correspondence". 1871:Topological group 1481:equivalence class 1460:Equivalence class 1387:to a redirect to 1385:Equivalence class 1294:FireflySixtySeven 1246: 1245: 95:Nov 2002–Dec 2003 4524: 4448: 4447: 4428: 4276:reliable sources 4042:to point to it. 4040:Hyperbolic space 3819:Univalence axiom 3241: 3113:double factorial 3011:Double factorial 2996: 2993: 2984: 2952:double factorial 2919: 2586:= 1, and points 2417: 2363: 2342: 2315: 2305:Nicolas Bourbaki 2231: 2111:Cartan's theorem 2018:Cartan's theorem 2000:Cartan's theorem 1979: 1978: 1977: 1721:Cartan's theorem 1577: 1241: 1225: 66: 59: 52: 42: 34: 4532: 4531: 4527: 4526: 4525: 4523: 4522: 4521: 4507: 4506: 4429: 4424: 4423: 4059: 4032: 3986:Boris Tsirelson 3948:Boris Tsirelson 3928: 3911:Boris Tsirelson 3890:Boris Tsirelson 3847:Boris Tsirelson 3823:Boris Tsirelson 3789:Boris Tsirelson 3747:Boris Tsirelson 3685:Boris Tsirelson 3605:Boris Tsirelson 3516:Boris Tsirelson 3443:Algebraic space 3385: 3267: 3238: 3226: 3222: 2995: 2989: 2980: 2978: 2935: 2917: 2863:Boris Tsirelson 2813:Boris Tsirelson 2810: 2803: 2796: 2789: 2741: 2732: 2725: 2717: 2708: 2702: 2690: 2681: 2674: 2666: 2657: 2651: 2631: 2623: 2614: 2608: 2601: 2592: 2585: 2576: 2569: 2560: 2542: 2534: 2525: 2519: 2512: 2503: 2496: 2487: 2439: 2415: 2401:Boris Tsirelson 2361: 2313: 2229: 2190:Boris Tsirelson 2151:Boris Tsirelson 2143: 1975: 1879:Exponential map 1867:Exponential map 1789:as a redirect. 1690: 1663: 1636: 1633:Classical group 1612: 1575: 1567: 1503: 1379:I have changed 1377: 1355: 1328: 1251: 1237: 1226: 1220: 1211: 1097: 87: 86: 73: 70: 30: 29: 28: 12: 11: 5: 4530: 4528: 4520: 4519: 4509: 4508: 4480: 4479: 4478: 4477: 4476: 4475: 4474: 4473: 4472: 4471: 4470: 4469: 4468: 4467: 4466: 4465: 4464: 4463: 4462: 4461: 4354: 4264: 4263: 4262: 4261: 4226:Well, someone 4205: 4204: 4203: 4202: 4201: 4200: 4199: 4198: 4114: 4113: 4112: 4111: 4067:David Eppstein 4058: 4055: 4031: 4028: 4027: 4026: 4025: 4024: 4023: 4022: 3999: 3998: 3997: 3996: 3979: 3978: 3959: 3958: 3927: 3922: 3903: 3902: 3901: 3900: 3882: 3881: 3774: 3773: 3772: 3771: 3770: 3769: 3768: 3767: 3766: 3765: 3764: 3763: 3762: 3761: 3760: 3759: 3758: 3757: 3732:David Eppstein 3664: 3663: 3662: 3661: 3660: 3659: 3658: 3657: 3656: 3655: 3654: 3653: 3624: 3623: 3622: 3621: 3620: 3619: 3618: 3617: 3616: 3615: 3552: 3535:David Eppstein 3531:cryptomorphism 3514:Do you agree? 3505:opposite group 3404: 3403: 3400: 3384: 3381: 3380: 3379: 3378: 3377: 3376: 3375: 3365:David Eppstein 3320:David Eppstein 3296:adjacency list 3287: 3286: 3281: 3276: 3266: 3263: 3236: 3221: 3215: 3214: 3213: 3212: 3211: 3184:multifactorial 3177:multifactorial 3154: 3153: 3152: 3151: 3150: 3149: 3148: 3147: 3109: 3087: 3079: 3078: 3077: 3076: 3064: 3037: 3036: 3021: 3017: 3014: 3001: 3000: 2987: 2960:David Eppstein 2934: 2931: 2930: 2929: 2918:Sławomir Biały 2908: 2907: 2906: 2905: 2876: 2875: 2874: 2873: 2858: 2854: 2823: 2808: 2801: 2794: 2787: 2763:user:John Baez 2759: 2758: 2752: 2751: 2749: 2748: 2747: 2737: 2730: 2721: 2713: 2706: 2700: 2686: 2679: 2670: 2662: 2655: 2649: 2638: 2637: 2634: 2633: 2627: 2619: 2612: 2606: 2597: 2590: 2581: 2574: 2565: 2558: 2544: 2538: 2530: 2523: 2517: 2508: 2501: 2492: 2485: 2458: 2457: 2449: 2448: 2438: 2435: 2434: 2433: 2432: 2431: 2430: 2429: 2428: 2427: 2416:Sławomir Biały 2393: 2392: 2391: 2362:Sławomir Biały 2356: 2328: 2327: 2326: 2325: 2314:Sławomir Biały 2295: 2294: 2293: 2292: 2275: 2274: 2258: 2257: 2256: 2255: 2241: 2230:Sławomir Biały 2224: 2223: 2222: 2203: 2202: 2201: 2200: 2182: 2181: 2142: 2139: 2138: 2137: 2136: 2135: 2134: 2133: 2132: 2131: 2130: 2129: 2128: 2127: 2126: 2125: 2025: 2020:like that the 1996: 1995: 1994: 1993: 1992: 1951: 1950: 1949: 1948: 1927: 1926: 1925: 1924: 1923: 1922: 1921: 1920: 1898: 1897: 1896: 1895: 1894: 1893: 1858: 1857: 1856: 1855: 1833:Group topology 1829:Left invariant 1821: 1820: 1819: 1801: 1736: 1735: 1689: 1686: 1662: 1659: 1635: 1630: 1611: 1608: 1607: 1606: 1576:Sławomir Biały 1566: 1560: 1559: 1558: 1548:David Eppstein 1540: 1530:David Eppstein 1502: 1499: 1498: 1497: 1496: 1495: 1470: 1469: 1456: 1423:Quotient group 1418:Quotient space 1400: 1399: 1396: 1389:Quotient space 1381:Quotient Space 1376: 1373: 1354: 1351: 1327: 1322: 1321: 1320: 1319: 1318: 1250: 1247: 1244: 1243: 1231: 1228: 1227: 1222: 1218: 1216: 1213: 1212: 1210: 1209: 1154: 1098: 1096: 1095: 1040: 985: 930: 875: 820: 765: 710: 655: 600: 545: 490: 435: 380: 325: 270: 215: 160: 105: 84: 83: 82: 79: 78: 75: 74: 69: 68: 61: 54: 46: 43: 37: 31: 15: 14: 13: 10: 9: 6: 4: 3: 2: 4529: 4518: 4515: 4514: 4512: 4505: 4504: 4500: 4496: 4492: 4488: 4484: 4460: 4456: 4452: 4445: 4442: 4439: 4436: 4433: 4427: 4421: 4417: 4413: 4412:User:Mmmzeta0 4409: 4405: 4401: 4400: 4399: 4395: 4391: 4387: 4384: 4383: 4382: 4378: 4374: 4370: 4369: 4368: 4364: 4360: 4355: 4353: 4349: 4345: 4341: 4340: 4339: 4335: 4331: 4327: 4323: 4322: 4321: 4317: 4313: 4309: 4308: 4307: 4303: 4299: 4295: 4291: 4290: 4289: 4285: 4281: 4277: 4273: 4270: 4269: 4268: 4267: 4266: 4265: 4260: 4256: 4252: 4248: 4243: 4242: 4241: 4237: 4233: 4229: 4225: 4224: 4223: 4222: 4218: 4214: 4210: 4197: 4193: 4189: 4185: 4181: 4180: 4179: 4175: 4171: 4167: 4163: 4162: 4161: 4157: 4153: 4149: 4148: 4147: 4146: 4145: 4144: 4140: 4136: 4132: 4128: 4127: 4123: 4119: 4118:Michael Hardy 4110: 4106: 4102: 4097: 4096: 4095: 4091: 4087: 4083: 4079: 4078: 4077: 4076: 4072: 4068: 4064: 4056: 4054: 4053: 4049: 4045: 4041: 4037: 4029: 4021: 4017: 4013: 4009: 4005: 4004: 4003: 4002: 4001: 4000: 3995: 3991: 3987: 3983: 3982: 3981: 3980: 3977: 3973: 3969: 3965: 3961: 3960: 3957: 3953: 3949: 3944: 3943: 3942: 3941: 3937: 3933: 3926: 3923: 3921: 3920: 3916: 3912: 3908: 3905:Well, I did: 3899: 3895: 3891: 3886: 3885: 3884: 3883: 3880: 3876: 3872: 3868: 3864: 3859: 3858: 3857: 3856: 3852: 3848: 3844: 3840: 3839: 3833: 3832: 3828: 3824: 3820: 3816: 3812: 3808: 3804: 3799: 3798: 3794: 3790: 3785: 3781: 3777: 3756: 3752: 3748: 3743: 3742: 3741: 3737: 3733: 3729: 3725: 3721: 3717: 3713: 3709: 3705: 3701: 3696: 3695: 3694: 3690: 3686: 3682: 3678: 3677: 3676: 3675: 3674: 3673: 3672: 3671: 3670: 3669: 3668: 3667: 3666: 3665: 3652: 3648: 3644: 3640: 3636: 3635: 3634: 3633: 3632: 3631: 3630: 3629: 3628: 3627: 3626: 3625: 3614: 3610: 3606: 3601: 3600: 3599: 3595: 3591: 3588:categories. 3587: 3583: 3582: 3581: 3577: 3573: 3568: 3567: 3566: 3562: 3558: 3553: 3550: 3546: 3545: 3544: 3540: 3536: 3532: 3528: 3527: 3526: 3525: 3521: 3517: 3512: 3508: 3506: 3500: 3497: 3494: 3492: 3485: 3480: 3477: 3474: 3473:Ordered field 3469: 3466: 3460: 3458: 3457:2 definitions 3455:has at least 3454: 3453:Ordered field 3450: 3448: 3447:2 definitions 3445:has at least 3444: 3440: 3438: 3437:4 definitions 3435:has at least 3434: 3430: 3428: 3427:3 definitions 3425:has at least 3424: 3423:Uniform space 3420: 3418: 3417:7 definitions 3415:has at least 3414: 3410: 3407: 3401: 3398: 3397: 3396: 3394: 3390: 3382: 3374: 3370: 3366: 3362: 3357: 3356: 3355: 3351: 3347: 3343: 3339: 3335: 3331: 3330: 3329: 3325: 3321: 3316: 3315: 3314: 3313: 3309: 3305: 3301: 3297: 3292: 3285: 3282: 3280: 3277: 3275: 3272: 3271: 3270: 3264: 3262: 3261: 3257: 3253: 3249: 3245: 3239: 3234: 3230: 3219: 3216: 3210: 3206: 3202: 3197: 3196: 3195: 3192: 3189: 3185: 3181: 3180:Semifactorial 3178: 3174: 3173: 3172: 3171: 3167: 3163: 3162:Michael Hardy 3159: 3146: 3142: 3138: 3134: 3130: 3129: 3128: 3125: 3122: 3118: 3117:semifactorial 3114: 3110: 3108: 3104: 3100: 3096: 3092: 3088: 3085: 3084: 3083: 3082: 3081: 3080: 3075: 3072: 3069: 3065: 3063: 3060: 3057: 3053: 3049: 3045: 3041: 3040: 3039: 3038: 3035: 3031: 3027: 3022: 3018: 3015: 3012: 3008: 3007:Semifactorial 3003: 3002: 2999: 2994: 2992: 2985: 2976: 2972: 2971: 2970: 2969: 2965: 2961: 2957: 2956:semifactorial 2953: 2949: 2946: 2943: 2939: 2932: 2928: 2924: 2920: 2914: 2913:WP:COMPETENCE 2910: 2909: 2904: 2900: 2896: 2892: 2891: 2890: 2886: 2882: 2878: 2877: 2872: 2868: 2864: 2859: 2855: 2852: 2848: 2844: 2840: 2836: 2832: 2828: 2824: 2822: 2818: 2814: 2807: 2800: 2793: 2786: 2781: 2780: 2779: 2778: 2777: 2776: 2772: 2768: 2767:Michael Hardy 2764: 2757: 2756: 2755: 2750: 2745: 2740: 2736: 2729: 2724: 2720: 2716: 2712: 2705: 2699: 2696: 2695: 2694: 2693: 2692: 2689: 2685: 2678: 2673: 2669: 2665: 2661: 2654: 2648: 2644: 2636: 2635: 2630: 2626: 2622: 2618: 2611: 2605: 2600: 2596: 2589: 2584: 2580: 2573: 2568: 2564: 2557: 2553: 2549: 2545: 2541: 2537: 2533: 2529: 2522: 2516: 2511: 2507: 2500: 2495: 2491: 2484: 2480: 2476: 2472: 2471: 2470: 2468: 2464: 2456: 2455: 2454: 2453: 2446: 2445: 2444: 2443: 2436: 2426: 2422: 2418: 2412: 2411: 2410: 2406: 2402: 2398: 2394: 2390: 2386: 2382: 2378: 2374: 2373: 2372: 2368: 2364: 2357: 2355: 2351: 2347: 2339: 2334: 2333: 2332: 2331: 2330: 2329: 2324: 2320: 2316: 2310: 2306: 2302: 2299: 2298: 2297: 2296: 2291: 2287: 2283: 2279: 2278: 2277: 2276: 2273: 2269: 2265: 2260: 2259: 2254: 2250: 2246: 2242: 2240: 2236: 2232: 2225: 2221: 2217: 2213: 2209: 2208: 2207: 2206: 2205: 2204: 2199: 2195: 2191: 2186: 2185: 2184: 2183: 2180: 2176: 2172: 2168: 2163: 2162: 2161: 2160: 2156: 2152: 2147: 2140: 2124: 2120: 2116: 2112: 2108: 2107: 2106: 2102: 2098: 2094: 2090: 2086: 2082: 2081: 2080: 2076: 2072: 2067: 2066: 2065: 2061: 2057: 2053: 2049: 2044: 2043: 2042: 2038: 2034: 2030: 2026: 2023: 2019: 2015: 2014: 2013: 2009: 2005: 2001: 1997: 1991: 1987: 1983: 1971: 1970: 1969: 1965: 1961: 1957: 1956: 1955: 1954: 1953: 1952: 1947: 1943: 1939: 1935: 1931: 1930: 1929: 1928: 1919: 1915: 1911: 1906: 1905: 1904: 1903: 1902: 1901: 1900: 1899: 1892: 1888: 1884: 1880: 1876: 1872: 1868: 1864: 1863: 1862: 1861: 1860: 1859: 1854: 1850: 1846: 1842: 1838: 1834: 1830: 1826: 1822: 1818: 1814: 1810: 1806: 1802: 1800: 1796: 1792: 1791:RockMagnetist 1788: 1784: 1783: 1782: 1778: 1774: 1770: 1769: 1763: 1762: 1761: 1757: 1753: 1749: 1745: 1741: 1738: 1737: 1734: 1730: 1726: 1725:RockMagnetist 1722: 1718: 1714: 1713: 1712: 1711: 1707: 1703: 1699: 1695: 1687: 1685: 1684: 1680: 1676: 1672: 1668: 1660: 1658: 1657: 1653: 1649: 1645: 1641: 1634: 1631: 1629: 1628: 1624: 1620: 1619:FoCuSandLeArN 1616: 1609: 1605: 1601: 1597: 1593: 1589: 1588: 1587: 1586: 1582: 1578: 1572: 1564: 1563:Jacob Barnett 1561: 1557: 1553: 1549: 1545: 1541: 1539: 1535: 1531: 1527: 1523: 1522: 1521: 1520: 1516: 1512: 1508: 1500: 1494: 1490: 1486: 1482: 1478: 1474: 1473: 1472: 1471: 1468: 1465: 1461: 1457: 1455: 1452: 1448: 1444: 1440: 1436: 1432: 1428: 1427:Quotient ring 1424: 1419: 1415: 1414: 1413: 1412: 1408: 1404: 1403:Michael Hardy 1397: 1394: 1393: 1392: 1390: 1386: 1382: 1374: 1372: 1371: 1367: 1363: 1362:FoCuSandLeArN 1359: 1352: 1350: 1349: 1345: 1341: 1337: 1333: 1326: 1323: 1317: 1313: 1309: 1308:65.94.171.126 1305: 1304: 1303: 1299: 1295: 1291: 1287: 1286:Jacobi method 1283: 1282: 1281: 1280: 1276: 1272: 1271:65.94.171.126 1268: 1264: 1260: 1256: 1249:Jacobi method 1248: 1240: 1235: 1230: 1229: 1215: 1214: 1208: 1204: 1200: 1196: 1192: 1188: 1184: 1180: 1176: 1172: 1168: 1164: 1160: 1159: 1155: 1153: 1149: 1145: 1141: 1137: 1133: 1129: 1125: 1121: 1117: 1113: 1109: 1105: 1104: 1100: 1099: 1094: 1090: 1086: 1082: 1078: 1074: 1070: 1066: 1062: 1058: 1054: 1050: 1046: 1045: 1041: 1039: 1035: 1031: 1027: 1023: 1019: 1015: 1011: 1007: 1003: 999: 995: 991: 990: 986: 984: 980: 976: 972: 968: 964: 960: 956: 952: 948: 944: 940: 936: 935: 931: 929: 925: 921: 917: 913: 909: 905: 901: 897: 893: 889: 885: 881: 880: 876: 874: 870: 866: 862: 858: 854: 850: 846: 842: 838: 834: 830: 826: 825: 821: 819: 815: 811: 807: 803: 799: 795: 791: 787: 783: 779: 775: 771: 770: 766: 764: 760: 756: 752: 748: 744: 740: 736: 732: 728: 724: 720: 716: 715: 711: 709: 705: 701: 697: 693: 689: 685: 681: 677: 673: 669: 665: 661: 660: 656: 654: 650: 646: 642: 638: 634: 630: 626: 622: 618: 614: 610: 606: 605: 601: 599: 595: 591: 587: 583: 579: 575: 571: 567: 563: 559: 555: 551: 550: 546: 544: 540: 536: 532: 528: 524: 520: 516: 512: 508: 504: 500: 496: 495: 491: 489: 485: 481: 477: 473: 469: 465: 461: 457: 453: 449: 445: 441: 440: 436: 434: 430: 426: 422: 418: 414: 410: 406: 402: 398: 394: 390: 386: 385: 381: 379: 375: 371: 367: 363: 359: 355: 351: 347: 343: 339: 335: 331: 330: 326: 324: 320: 316: 312: 308: 304: 300: 296: 292: 288: 284: 280: 276: 275: 271: 269: 265: 261: 257: 253: 249: 245: 241: 237: 233: 229: 225: 221: 220: 216: 214: 210: 206: 202: 198: 194: 190: 186: 182: 178: 174: 170: 166: 165: 161: 159: 155: 151: 147: 143: 139: 135: 131: 127: 123: 119: 115: 111: 110: 106: 104: 100: 96: 92: 89: 85:Earlier years 81: 80: 77: 76: 72: 67: 62: 60: 55: 53: 48: 47: 41: 36: 35: 27: 23: 19: 4482: 4481: 4440: 4434: 4426:188.27.81.64 4420:User:JMP EAX 4390:188.27.81.64 4246: 4206: 4129: 4115: 4086:188.27.81.64 4060: 4034:The article 4033: 3929: 3904: 3866: 3837: 3834: 3800: 3786: 3782: 3778: 3775: 3727: 3723: 3719: 3715: 3711: 3707: 3703: 3699: 3680: 3585: 3549:∞-categories 3513: 3509: 3501: 3498: 3495: 3486: 3481: 3478: 3470: 3464: 3461: 3451: 3441: 3431: 3421: 3411: 3408: 3405: 3386: 3346:188.27.81.64 3304:188.27.81.64 3288: 3268: 3252:188.27.81.64 3248:Coates graph 3231:. Elsevier. 3228: 3223: 3188:Arthur Rubin 3157: 3155: 3121:Arthur Rubin 3094: 3090: 3068:Arthur Rubin 3056:Arthur Rubin 3047: 3043: 2990: 2950:) has moved 2944: 2936: 2850: 2846: 2842: 2838: 2834: 2830: 2826: 2805: 2798: 2791: 2784: 2760: 2753: 2743: 2738: 2734: 2727: 2722: 2718: 2714: 2710: 2703: 2697: 2687: 2683: 2676: 2671: 2667: 2663: 2659: 2652: 2646: 2642: 2639: 2628: 2624: 2620: 2616: 2609: 2603: 2598: 2594: 2587: 2582: 2578: 2571: 2566: 2562: 2555: 2551: 2548:affine space 2547: 2539: 2535: 2531: 2527: 2520: 2514: 2509: 2505: 2498: 2497:and vectors 2493: 2489: 2482: 2478: 2475:vector space 2474: 2466: 2462: 2459: 2451: 2450: 2441: 2440: 2376: 2337: 2144: 2093:Lie groupoid 1836: 1767: 1766: 1691: 1664: 1637: 1613: 1568: 1504: 1401: 1378: 1356: 1329: 1252: 1233: 1156: 1101: 1042: 987: 932: 877: 822: 767: 712: 657: 632: 602: 547: 492: 437: 382: 327: 272: 217: 162: 107: 103:Sep–Dec 2004 99:Jan–Aug 2004 44: 4451:Deltahedron 4373:Deltahedron 4344:Deltahedron 4312:Deltahedron 4294:binary tree 4280:Deltahedron 4188:Deltahedron 4152:Deltahedron 4012:Anne Delong 3968:Mark viking 3932:Anne Delong 3871:Mark viking 3863:isomorphism 3572:Deltahedron 3244:Mason graph 3009:, formerly 2570:satisfying 2381:Deltahedron 2346:Deltahedron 2089:Lie algebra 1960:Mark viking 1883:Mark viking 1752:Mark viking 1692:Do we have 1443:Isomorphism 1290:new section 4416:User:Exe89 3708:definition 3406:Item (a). 3340:) whereas 2091:? Why not 1873:. We have 1615:Draft:1/ ∞ 1306:Thanks -- 91:Motivation 4326:this edit 4166:this edit 4044:JRSpriggs 3643:JRSpriggs 2675:in which 2167:intrinsic 1875:Invariant 1715:There is 1507:this user 1485:LokiClock 1477:a section 1336:talk page 4511:Category 4438:contribs 4207:Oh, and 3246:and the 2948:contribs 2851:topology 2847:topology 2839:topology 2835:topology 2831:topology 2733:− ... − 2709:+ ... + 2682:+ ... + 2658:+ ... + 2615:+ ... + 2577:+ ... + 2526:+ ... + 2054:too. -- 1865:We have 1596:Rschwieb 1592:appealed 1501:CS crank 1475:I added 1288:, and a 24:‎ | 20:‎ | 4330:JMP EAX 4298:JMP EAX 4251:JMP EAX 4232:JMP EAX 4213:JMP EAX 4170:JMP EAX 4135:JMP EAX 4101:JMP EAX 3712:example 3706:as the 3135:page. 2975:WP:BOLD 2881:YohanN7 2849:)-: --> 2833:), the 2726:+ (1 − 2245:YohanN7 2115:YohanN7 2071:YohanN7 2033:YohanN7 1982:YohanN7 1938:YohanN7 1910:YohanN7 1908:group. 1845:YohanN7 1773:YohanN7 1702:YohanN7 1648:YohanN7 1542:...and 1524:Now at 1464:Quondum 1451:Quondum 1234:15 days 22:Archive 3584:But I 3201:Zaslav 3191:(talk) 3137:Zaslav 3124:(talk) 3099:Zaslav 3071:(talk) 3059:(talk) 3052:Zaslav 3050:. If 3026:Zaslav 2938:Zaslav 2377:ad hoc 4444:WHOIS 4296:how? 4247:other 2593:,..., 2561:,..., 2504:,..., 2488:,..., 16:< 4499:talk 4483:n.b. 4455:talk 4432:talk 4422:and 4414:and 4406:and 4394:talk 4377:talk 4363:talk 4359:Ozob 4348:talk 4334:talk 4316:talk 4302:talk 4284:talk 4255:talk 4236:talk 4217:talk 4192:talk 4174:talk 4156:talk 4139:talk 4122:talk 4105:talk 4090:talk 4071:talk 4048:talk 4016:talk 3990:talk 3972:talk 3952:talk 3936:talk 3915:talk 3894:talk 3875:talk 3851:talk 3827:talk 3815:Sear 3793:talk 3751:talk 3736:talk 3689:talk 3647:talk 3609:talk 3594:talk 3590:Ozob 3586:like 3576:talk 3561:talk 3557:Ozob 3539:talk 3520:talk 3369:talk 3350:talk 3324:talk 3308:talk 3256:talk 3233:ISBN 3205:talk 3166:talk 3141:talk 3103:talk 3030:talk 2982:Kinu 2964:talk 2942:talk 2923:talk 2899:talk 2885:talk 2867:talk 2817:talk 2771:talk 2421:talk 2405:talk 2385:talk 2367:talk 2350:talk 2319:talk 2286:talk 2268:talk 2249:talk 2235:talk 2216:talk 2194:talk 2175:talk 2171:Taku 2155:talk 2119:talk 2101:talk 2097:Taku 2075:talk 2060:talk 2056:Taku 2037:talk 2008:talk 2004:Taku 1986:talk 1964:talk 1942:talk 1914:talk 1887:talk 1869:and 1849:talk 1813:talk 1809:Taku 1795:talk 1777:talk 1756:talk 1729:talk 1719:and 1706:talk 1696:and 1679:talk 1652:talk 1623:talk 1600:talk 1581:talk 1552:talk 1534:talk 1515:talk 1489:talk 1407:talk 1366:talk 1344:talk 1340:Huon 1312:talk 1298:talk 1275:talk 1158:2024 1103:2023 1044:2022 989:2021 934:2020 879:2019 824:2018 769:2017 714:2016 659:2015 604:2014 549:2013 494:2012 439:2011 384:2010 329:2009 274:2008 219:2007 164:2006 109:2005 26:2014 4065:. — 3845:). 3363:. — 3225:is 3048:Now 2954:to 2895:JBL 2843:set 2827:set 2804:to 2790:to 2546:An 2463:But 2282:JBL 2264:RQG 2212:JBL 1837:not 1768:the 1675:agr 1669:at 1573:. 1546:. — 1528:. — 1511:JBL 1479:to 1441:in 1269:-- 1263:doi 1207:Dec 1203:Nov 1199:Oct 1195:Sep 1191:Aug 1187:Jul 1183:Jun 1179:May 1175:Apr 1171:Mar 1167:Feb 1163:Jan 1152:Dec 1148:Nov 1144:Oct 1140:Sep 1136:Aug 1132:Jul 1128:Jun 1124:May 1120:Apr 1116:Mar 1112:Feb 1108:Jan 1093:Dec 1089:Nov 1085:Oct 1081:Sep 1077:Aug 1073:Jul 1069:Jun 1065:May 1061:Apr 1057:Mar 1053:Feb 1049:Jan 1038:Dec 1034:Nov 1030:Oct 1026:Sep 1022:Aug 1018:Jul 1014:Jun 1010:May 1006:Apr 1002:Mar 998:Feb 994:Jan 983:Dec 979:Nov 975:Oct 971:Sep 967:Aug 963:Jul 959:Jun 955:May 951:Apr 947:Mar 943:Feb 939:Jan 928:Dec 924:Nov 920:Oct 916:Sep 912:Aug 908:Jul 904:Jun 900:May 896:Apr 892:Mar 888:Feb 884:Jan 873:Dec 869:Nov 865:Oct 861:Sep 857:Aug 853:Jul 849:Jun 845:May 841:Apr 837:Mar 833:Feb 829:Jan 818:Dec 814:Nov 810:Oct 806:Sep 802:Aug 798:Jul 794:Jun 790:May 786:Apr 782:Mar 778:Feb 774:Jan 763:Dec 759:Nov 755:Oct 751:Sep 747:Aug 743:Jul 739:Jun 735:May 731:Apr 727:Mar 723:Feb 719:Jan 708:Dec 704:Nov 700:Oct 696:Sep 692:Aug 688:Jul 684:Jun 680:May 676:Apr 672:Mar 668:Feb 664:Jan 653:Dec 649:Nov 645:Oct 641:Sep 637:Aug 633:Jul 629:Jun 625:May 621:Apr 617:Mar 613:Feb 609:Jan 598:Dec 594:Nov 590:Oct 586:Sep 582:Aug 578:Jul 574:Jun 570:May 566:Apr 562:Mar 558:Feb 554:Jan 543:Dec 539:Nov 535:Oct 531:Sep 527:Aug 523:Jul 519:Jun 515:May 511:Apr 507:Mar 503:Feb 499:Jan 488:Dec 484:Nov 480:Oct 476:Sep 472:Aug 468:Jul 464:Jun 460:May 456:Apr 452:Mar 448:Feb 444:Jan 433:Dec 429:Nov 425:Oct 421:Sep 417:Aug 413:Jul 409:Jun 405:May 401:Apr 397:Mar 393:Feb 389:Jan 378:Dec 374:Nov 370:Oct 366:Sep 362:Aug 358:Jul 354:Jun 350:May 346:Apr 342:Mar 338:Feb 334:Jan 323:Dec 319:Nov 315:Oct 311:Sep 307:Aug 303:Jul 299:Jun 295:May 291:Apr 287:Mar 283:Feb 279:Jan 268:Dec 264:Nov 260:Oct 256:Sep 252:Aug 248:Jul 244:Jun 240:May 236:Apr 232:Mar 228:Feb 224:Jan 213:Dec 209:Nov 205:Oct 201:Sep 197:Aug 193:Jul 189:Jun 185:May 181:Apr 177:Mar 173:Feb 169:Jan 158:Dec 154:Nov 150:Oct 146:Sep 142:Aug 138:Jul 134:Jun 130:May 126:Apr 122:Mar 118:Feb 114:Jan 4513:: 4501:) 4457:) 4449:. 4396:) 4379:) 4365:) 4350:) 4336:) 4328:? 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Index

Knowledge talk:WikiProject Mathematics
Archive
2014

v
t
e
Motivation
Nov 2002–Dec 2003
Jan–Aug 2004
Sep–Dec 2004
2005
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2006
Jan
Feb
Mar
Apr
May

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