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Weak topology

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the weak topology and the weak* topology, thereby making redundant the need for many definitions, theorem statements, and proofs. This is also the reason why the weak* topology is also frequently referred to as the "weak topology"; because it is just an instance of the weak topology in the setting of
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is open in the weak topology if and only if it can be written as a union of (possibly infinitely many) sets, each of which is an intersection of finitely many sets of the form
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holds. In particular, a subset of the continuous dual is weak* compact if and only if it is weak* closed and norm-bounded. This implies, in particular, that when
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does not contain any weak* neighborhood of 0 (since any such neighborhood is norm-unbounded). Thus, even though norm-closed balls are compact, X* is not weak*
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may carry a variety of different possible topologies. The naming of such topologies depends on the kind of topology one is using on the target space
5963: 5818: 5794: 3001: 5643: 5597: 5567: 5533: 5460: 6404: 5525: 4638:{\displaystyle \int _{\mathbb {R} ^{n}}{\bar {\psi }}_{k}f\,\mathrm {d} \mu \to \int _{\mathbb {R} ^{n}}{\bar {\psi }}f\,\mathrm {d} \mu } 4884:). In an alternative construction of such spaces, one can take the weak dual of a space of test functions inside a Hilbert space such as 6220: 5309: 171: 2903: 5686: 5479: 5775: 5666: 5624: 5506: 5442: 5401: 2222: 1974: 262:, which we now describe. The benefit of this more general construction is that any definition or result proved for it applies to 6287: 6270: 6045: 5294: 2534: 30:
This article is about the weak topology on a normed vector space. For the weak topology induced by a general family of maps, see
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did not elevate norm convergence above weak convergence and oftentimes viewed weak convergence as preferable. In 1929,
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be locally compact valued field (e.g., the reals, the complex numbers, or any of the p-adic number systems). Let
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is equipped with the weak topology, then addition and scalar multiplication remain continuous operations, and
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by forming the strong dual of a space of test functions (such as the compactly supported smooth functions on
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topological space. However, for infinite-dimensional spaces, the metric cannot be translation-invariant. If
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is an infinite-dimensional normed space then the closed unit ball at the origin in the dual space of
3290:{\displaystyle x\mapsto {\begin{cases}T_{x}:X^{*}\to \mathbb {K} \\T_{x}(\phi )=\phi (x)\end{cases}}} 1365: 984: 888: 3208: 2699: 2545: 2419: 6373: 6230: 6205: 6030: 5968: 5682: 4177: 3303: 3152: 2482: 2380: 2367: 258:
Both the weak topology and the weak* topology are special cases of a more general construction for
203: 139: 111: 74: 66: 65:. The term is most commonly used for the initial topology of a topological vector space (such as a 4688: 3550: 3528: 2677: 2655: 2456: 1660: 1561: 1535: 951: 926: 901: 810: 739: 704: 594: 484: 415: 358: 323: 293: 217: 179: 6250: 6055: 5922: 5551: 5288: 1804: 4802: 6399: 6282: 6035: 5639: 5620: 5603: 5593: 5573: 5563: 5539: 5529: 5502: 5485: 5475: 5456: 5438: 5397: 5017: 4796: 4317:
Consider, for example, the difference between strong and weak convergence of functions in the
3578: 2626: 2540: 1650: 1584: 207: 199: 119: 35: 17: 1206: 6352: 6040: 5958: 5927: 5907: 5892: 5887: 5882: 5719: 5396:, Graduate Texts in Mathematics, vol. 183, New York: Springer-Verlag, pp. xx+596, 5389: 3714: 2305: 1778: 1608: 1470: 1180: 50: 31: 4276: 4233: 4206: 4133: 4071: 4036: 4001: 3784: 3637: 3610: 3501: 3365: 3127: 3014: 2770: 2735: 2342: 2311: 2195: 2126: 2098: 2061: 1625: 1051: 6277: 6170: 5902: 5856: 5804: 5799: 5770: 5651: 4108: 3956: 3355: 1612: 237: 147: 73:. The remainder of this article will deal with this case, which is one of the concepts of 58: 5729: 4230:
is metrizable, in which case the weak* topology is metrizable on norm-bounded subsets of
2036: 1274: 6215: 6091: 5943: 5744: 5319: 4911: 3983: 3980: 3960: 3170: 3164: 2522: 946: 759: 6388: 6238: 6195: 6020: 5749: 5734: 5724: 5519: 4673: 4318: 4061: 143: 131: 62: 6135: 96:, etc.) with respect to the weak topology. Likewise, functions are sometimes called 6086: 5739: 5709: 5562:. Vol. 8 (Second ed.). New York, NY: Springer New York Imprint Springer. 5515: 5016:, IV.7 Topologies of linear maps). There are, in general, a vast array of possible 4663: 4503:{\displaystyle \int _{\mathbb {R} ^{n}}|\psi _{k}-\psi |^{2}\,{\rm {d}}\mu \,\to 0} 4270: 1580: 379: 135: 4261:
has a dual space that is separable (with respect to the dual-norm topology) then
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introduced weak convergence for normed spaces and also introduced the analogous
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is a normed space, then this topology is defined by the seminorms indexed by
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is separable if and only if the weak* topology on the closed unit ball of
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then we will assume that they are associated with the canonical pairing
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By definition, the weak* topology is weaker than the weak topology on
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is weak*-compact). Moreover, the closed unit ball in a normed space
3440:. In other words, it is the coarsest topology such that the maps 2935:{\displaystyle x_{n}{\overset {\mathrm {w} }{\longrightarrow }}x} 2539:
The weak topology is characterized by the following condition: a
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space then the weak* topology on the continuous dual space of
2265:{\displaystyle \langle x,\cdot \rangle :X^{*}\to \mathbb {K} } 2026:{\displaystyle x'=\langle \cdot ,x'\rangle :X\to \mathbb {K} } 138:
made extensive use of weak convergence. The early pioneers of
34:. For the weak topology generated by a cover of a space, see 4520:. Here the notion of convergence corresponds to the norm on 3967:
is a norm-bounded subset of its continuous dual space, then
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for the weak topology is the collection of sets of the form
4169:, all norm-closed balls are compact in the weak* topology. 3283: 2521:
From this point of view, the weak topology is the coarsest
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is now automatically defined as described in the article
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is contained in a finite-dimensional vector subspace of
3110:{\displaystyle \|\phi \|=\sup _{\|x\|\leq 1}|\phi (x)|.} 5453:
Real Analysis: Modern Techniques and Their Applications
1900:{\displaystyle \langle \cdot ,x'\rangle =x'(\cdot )=x'} 3911:{\displaystyle \phi _{n}{\overset {w^{*}}{\to }}\phi } 5315:
Topologies on the set of operators on a Hilbert space
5185: 5088: 4861: 4805: 4785:{\displaystyle \psi _{k}(x)={\sqrt {2/\pi }}\sin(kx)} 4726: 4691: 4538: 4429: 4364: 4332: 4279: 4236: 4209: 4136: 4074: 4039: 4004: 3877: 3810: 3787: 3747: 3717: 3663: 3640: 3613: 3586: 3553: 3531: 3504: 3453: 3395: 3368: 3306: 3196: 3130: 3047: 3017: 2954: 2906: 2870: 2809: 2773: 2738: 2702: 2680: 2658: 2629: 2593: 2548: 2485: 2459: 2422: 2383: 2345: 2314: 2225: 2198: 2159: 2129: 2101: 2064: 2039: 1977: 1934: 1845: 1807: 1781: 1724: 1692: 1663: 1628: 1564: 1538: 1302: 1277: 1240: 1209: 1183: 1126: 1090: 1054: 1004: 954: 929: 904: 813: 742: 707: 597: 487: 418: 361: 326: 296: 220: 210:
such that addition, multiplication, and division are
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Topological Vector Spaces, Distributions and Kernels
4918:(i.e. the vector space of all linear functionals on 4409:{\displaystyle \psi _{k}\in L^{2}(\mathbb {R} ^{n})} 4025:. An important fact about the weak* topology is the 1346:{\displaystyle \langle \cdot ,x'\rangle =x'(\cdot )} 6366: 6345: 6329: 6308: 6229: 6178: 6074: 5998: 5977: 5936: 5875: 5817: 5763: 5698: 1041:{\displaystyle (X,Y,\langle \cdot ,\cdot \rangle )} 80:One may call subsets of a topological vector space 6011:Spectral theory of ordinary differential equations 5237: 5125: 4876: 4818: 4784: 4699: 4637: 4502: 4408: 4347: 4292: 4249: 4222: 4149: 4087: 4052: 4017: 3910: 3847: 3793: 3773: 3729: 3700: 3654:in the weak-* topology if it converges pointwise: 3646: 3626: 3599: 3561: 3539: 3517: 3490: 3432: 3381: 3334: 3289: 3143: 3109: 3038:is itself a normed vector space by using the norm 3030: 2976: 2934: 2889: 2846: 2786: 2751: 2721: 2688: 2666: 2644: 2615: 2567: 2510: 2467: 2441: 2408: 2358: 2327: 2292:Weak topology induced by the continuous dual space 2264: 2211: 2184: 2142: 2114: 2077: 2050: 2025: 1959: 1899: 1831: 1793: 1767: 1710: 1671: 1641: 1607:(the reader is cautioned against using the terms " 1572: 1546: 1345: 1288: 1263: 1226: 1195: 1169: 1108: 1072: 1040: 962: 937: 912: 821: 750: 715: 605: 495: 426: 369: 334: 304: 228: 190: 5363: 4273:, the weak* topology is not metrizable on all of 3971:endowed with the weak* (subspace) topology is a 3169:The weak* topology is an important example of a 3061: 5455:(Second ed.). John Wiley & Sons, Inc. 4529:In contrast weak convergence only demands that 4103:is compact in the weak topology if and only if 3701:{\displaystyle \phi _{\lambda }(x)\to \phi (x)} 3120:This norm gives rise to a topology, called the 5470:Narici, Lawrence; Beckenstein, Edward (2011). 2847:{\displaystyle \varphi (x_{n})\to \varphi (x)} 2579:converges in the weak topology to the element 991:(i.e. a vector space of linear functionals on 6151: 5667: 4926:is endowed with the weak topology induced by 3389:is the weak topology induced by the image of 3354:canonical embedding is surjective are called 1711:{\displaystyle \langle \cdot ,\cdot \rangle } 1109:{\displaystyle \langle \cdot ,\cdot \rangle } 8: 5111: 5095: 4890:. Thus one is led to consider the idea of a 3071: 3065: 3054: 3048: 2238: 2226: 2179: 2160: 2006: 1989: 1954: 1935: 1863: 1846: 1742: 1725: 1705: 1693: 1320: 1303: 1258: 1241: 1144: 1127: 1103: 1091: 1032: 1020: 157: 151: 4898:Weak topology induced by the algebraic dual 3931:Weak-* convergence is sometimes called the 1718:is the canonical evaluation map defined by 1488:is a vector space of linear functionals on 122:, etc.) with respect to the weak topology. 6158: 6144: 6136: 5702: 5674: 5660: 5652: 5176:defining the strong topology are given by 5035:, whose naming is not entirely intuitive. 4833:does not exist. On the other hand, by the 4122:be a normed topological vector space over 1768:{\displaystyle \langle x,x'\rangle =x'(x)} 1591:are continuous. We call the topology that 1170:{\displaystyle \langle x,x'\rangle =x'(x)} 634:. However, for clarity, we now repeat it. 290:of vector spaces over a topological field 5238:{\displaystyle p_{q,x}:f\mapsto q(f(x)),} 5190: 5184: 5136:More generally, if a family of seminorms 5114: 5087: 4974:are topological vector spaces, the space 4868: 4864: 4863: 4860: 4810: 4804: 4754: 4749: 4731: 4725: 4693: 4692: 4690: 4627: 4626: 4612: 4611: 4603: 4599: 4598: 4596: 4581: 4580: 4571: 4560: 4559: 4550: 4546: 4545: 4543: 4537: 4493: 4484: 4483: 4482: 4476: 4471: 4458: 4449: 4441: 4437: 4436: 4434: 4428: 4397: 4393: 4392: 4382: 4369: 4363: 4339: 4335: 4334: 4331: 4284: 4278: 4241: 4235: 4214: 4208: 4141: 4135: 4079: 4073: 4044: 4038: 4009: 4003: 3897: 3888: 3882: 3876: 3815: 3809: 3786: 3765: 3752: 3746: 3716: 3668: 3662: 3639: 3618: 3612: 3591: 3585: 3555: 3554: 3552: 3533: 3532: 3530: 3509: 3503: 3458: 3452: 3421: 3394: 3373: 3367: 3323: 3305: 3250: 3238: 3237: 3228: 3215: 3203: 3195: 3135: 3129: 3099: 3082: 3064: 3046: 3022: 3016: 2959: 2953: 2922: 2917: 2911: 2905: 2897:. In this case, it is customary to write 2881: 2869: 2820: 2808: 2778: 2772: 2743: 2737: 2713: 2701: 2682: 2681: 2679: 2660: 2659: 2657: 2628: 2604: 2592: 2556: 2547: 2490: 2484: 2461: 2460: 2458: 2433: 2421: 2388: 2382: 2350: 2344: 2319: 2313: 2258: 2257: 2248: 2224: 2203: 2197: 2192:. That is, it is the weakest topology on 2173: 2158: 2134: 2128: 2106: 2100: 2069: 2063: 2038: 2019: 2018: 1976: 1967:. That is, it is the weakest topology on 1948: 1933: 1844: 1823: 1806: 1780: 1723: 1691: 1665: 1664: 1662: 1633: 1627: 1566: 1565: 1563: 1540: 1539: 1537: 1301: 1276: 1264:{\displaystyle \langle \cdot ,x'\rangle } 1239: 1208: 1182: 1125: 1089: 1053: 1003: 956: 955: 953: 931: 930: 928: 906: 905: 903: 815: 814: 812: 744: 743: 741: 709: 708: 706: 599: 598: 596: 489: 488: 486: 420: 419: 417: 363: 362: 360: 328: 327: 325: 298: 297: 295: 222: 221: 219: 184: 183: 181: 5964:Group algebra of a locally compact group 4126:, compatible with the absolute value in 4033:is normed, then the closed unit ball in 3848:{\displaystyle \phi _{n}(x)\to \phi (x)} 2339:topology on X such that each element of 1440:) with respect to the canonical pairing 5375: 5331: 4799:. In particular, the (strong) limit of 3346:linear mapping, though not necessarily 3011:is a normed space, then the dual space 3002:locally convex topological vector space 2977:{\displaystyle x_{n}\rightharpoonup x.} 2288:We give alternative definitions below. 2185:{\displaystyle \langle X,X^{*}\rangle } 1960:{\displaystyle \langle X,X^{*}\rangle } 979:We now consider the special case where 248:Weak topology with respect to a pairing 5416: 5394:An introduction to Banach space theory 5126:{\displaystyle f\mapsto \|f(x)\|_{Y}.} 5013: 887:. This shows that weak topologies are 5592:. Mineola, N.Y.: Dover Publications. 4837:, the weak limit exists and is zero. 3491:{\displaystyle T_{x}(\phi )=\phi (x)} 1513: 7: 5526:McGraw-Hill Science/Engineering/Math 5291:, a compact set in the weak topology 4176:is a normed space, a version of the 3959:(i.e. has a countable dense subset) 3433:{\displaystyle T:T(X)\subset X^{**}} 2453:is an open subset of the base field 1683:with respect to the given topology. 6221:Topologies on spaces of linear maps 5387:Proposition 2.6.12, p. 226 in 5310:Topologies on spaces of linear maps 4358:. Strong convergence of a sequence 2616:{\displaystyle \phi (x_{\lambda })} 2280:. This topology is also called the 172:Topologies on spaces of linear maps 150:. The weak topology is also called 49:is an alternative term for certain 5615:Willard, Stephen (February 2004). 4930:then the continuous dual space of 4710:For example, in the Hilbert space 4628: 4582: 4485: 3774:{\displaystyle \phi _{n}\in X^{*}} 2923: 25: 5437:(2nd ed.), Springer-Verlag, 2890:{\displaystyle \varphi \in X^{*}} 6120: 6119: 6046:Topological quantum field theory 5295:Weak convergence (Hilbert space) 5012:to define operator convergence ( 4877:{\displaystyle \mathbb {R} ^{n}} 4348:{\displaystyle \mathbb {R} ^{n}} 3939:. Indeed, it coincides with the 3600:{\displaystyle \phi _{\lambda }} 2535:Weak convergence (Hilbert space) 1271:is just another way of denoting 435:denote the linear functional on 267:this more general construction. 254:Dual system § Weak topology 5435:A Course in Functional Analysis 4851:One normally obtains spaces of 998:There is a pairing, denoted by 898:We will henceforth assume that 5619:. Courier Dover Publications. 5229: 5226: 5220: 5214: 5208: 5107: 5101: 5092: 4779: 4770: 4743: 4737: 4617: 4589: 4565: 4494: 4472: 4450: 4403: 4388: 4165:-valued linear functionals on 3890: 3842: 3836: 3830: 3827: 3821: 3695: 3689: 3683: 3680: 3674: 3485: 3479: 3470: 3464: 3411: 3405: 3316: 3277: 3271: 3262: 3256: 3234: 3200: 3100: 3096: 3090: 3083: 2965: 2919: 2841: 2835: 2829: 2826: 2813: 2722:{\displaystyle \phi \in X^{*}} 2639: 2633: 2610: 2597: 2568:{\displaystyle (x_{\lambda })} 2562: 2549: 2505: 2499: 2475:. In other words, a subset of 2442:{\displaystyle \phi \in X^{*}} 2403: 2397: 2254: 2015: 1883: 1877: 1762: 1756: 1492:, then the continuous dual of 1340: 1334: 1164: 1158: 1067: 1055: 1035: 1005: 244:with the familiar topologies. 166:The weak and strong topologies 18:Weak topology (polar topology) 1: 5842:Uniform boundedness principle 5364:Narici & Beckenstein 2011 4265:is necessarily separable. If 4157:, the topological dual space 3335:{\displaystyle T:X\to X^{**}} 2511:{\displaystyle \phi ^{-1}(U)} 2409:{\displaystyle \phi ^{-1}(U)} 1520:The weak and weak* topologies 1496:with respect to the topology 656:) is the weakest topology on 546:) is the weakest topology on 130:Starting in the early 1900s, 5554:; Wolff, Manfred P. (1999). 5305:Weak convergence of measures 4717:, the sequence of functions 4700:{\displaystyle \mathbb {C} } 3562:{\displaystyle \mathbb {C} } 3540:{\displaystyle \mathbb {R} } 2689:{\displaystyle \mathbb {C} } 2667:{\displaystyle \mathbb {R} } 2468:{\displaystyle \mathbb {K} } 2335:. In other words, it is the 1672:{\displaystyle \mathbb {K} } 1587:so that vector addition and 1573:{\displaystyle \mathbb {K} } 1547:{\displaystyle \mathbb {K} } 1364:is a vector subspace of the 983:is a vector subspace of the 963:{\displaystyle \mathbb {C} } 938:{\displaystyle \mathbb {R} } 913:{\displaystyle \mathbb {K} } 822:{\displaystyle \mathbb {R} } 789:is induced by the family of 751:{\displaystyle \mathbb {K} } 716:{\displaystyle \mathbb {K} } 606:{\displaystyle \mathbb {K} } 496:{\displaystyle \mathbb {K} } 427:{\displaystyle \mathbb {K} } 370:{\displaystyle \mathbb {K} } 335:{\displaystyle \mathbb {K} } 305:{\displaystyle \mathbb {K} } 236:will be either the field of 229:{\displaystyle \mathbb {K} } 191:{\displaystyle \mathbb {K} } 6405:Topology of function spaces 5300:Weak-star operator topology 4991:continuous linear operators 4948:, every vector subspace of 3994:Properties on normed spaces 3868:. In this case, one writes 2308:with respect to the family 1832:{\displaystyle x'\in X^{*}} 6421: 5985:Invariant subspace problem 5638:(6th ed.), Springer, 4940:, every bounded subset of 4847:distribution (mathematics) 4844: 4095:of a neighborhood of 0 in 3162: 3151:. This is the topology of 2532: 1234:. Note in particular that 251: 169: 29: 6337:Transpose of a linear map 6115: 5705: 5556:Topological Vector Spaces 5472:Topological Vector Spaces 4819:{\displaystyle \psi _{k}} 4658:(or, more typically, all 3180:can be embedded into its 1619:using the topological or 769:, then the weak topology 55:topological vector spaces 5954:Spectrum of a C*-algebra 5433:Conway, John B. (1994), 5140:defines the topology on 5041:strong operator topology 4199:is a normed space, then 4114:In more generality, let 2645:{\displaystyle \phi (x)} 2123:is the weak topology on 1921:is the weak topology on 1649:, which consists of all 1530:topological vector space 1118:canonical evaluation map 6051:Noncommutative geometry 5634:Yosida, Kosaku (1980), 5497:Pedersen, Gert (1989), 5277:weak* operator topology 5271:In particular, see the 4304:is finite-dimensional. 3943:of linear functionals. 1839:, where in particular, 1227:{\displaystyle x'\in Y} 320:are vector spaces over 214:. In most applications 6107:Tomita–Takesaki theory 6082:Approximation property 6026:Calculus of variations 5451:Folland, G.B. (1999). 5273:weak operator topology 5239: 5127: 4954:topological complement 4906:is a vector space and 4878: 4835:Riemann–Lebesgue lemma 4820: 4786: 4701: 4639: 4504: 4410: 4349: 4294: 4251: 4224: 4151: 4089: 4054: 4027:Banach–Alaoglu theorem 4019: 3912: 3849: 3795: 3775: 3731: 3730:{\displaystyle x\in X} 3702: 3648: 3628: 3601: 3563: 3541: 3519: 3492: 3434: 3383: 3336: 3291: 3145: 3111: 3032: 2978: 2936: 2891: 2848: 2788: 2753: 2723: 2690: 2668: 2646: 2617: 2569: 2512: 2469: 2443: 2410: 2360: 2329: 2266: 2213: 2186: 2144: 2116: 2079: 2052: 2027: 1961: 1901: 1833: 1795: 1794:{\displaystyle x\in X} 1769: 1712: 1673: 1643: 1574: 1548: 1508:is precisely equal to 1347: 1290: 1265: 1228: 1197: 1196:{\displaystyle x\in X} 1171: 1110: 1074: 1042: 964: 939: 914: 823: 752: 717: 607: 497: 428: 371: 336: 306: 230: 192: 158: 152: 69:) with respect to its 6102:Banach–Mazur distance 6065:Generalized functions 5240: 5146:, then the seminorms 5128: 5061:pointwise convergence 4879: 4821: 4787: 4702: 4640: 4505: 4411: 4350: 4295: 4293:{\displaystyle X^{*}} 4252: 4250:{\displaystyle X^{*}} 4225: 4223:{\displaystyle X^{*}} 4152: 4150:{\displaystyle X^{*}} 4090: 4088:{\displaystyle X^{*}} 4064:(more generally, the 4055: 4053:{\displaystyle X^{*}} 4020: 4018:{\displaystyle X^{*}} 3941:pointwise convergence 3937:pointwise convergence 3913: 3850: 3796: 3794:{\displaystyle \phi } 3776: 3732: 3703: 3649: 3647:{\displaystyle \phi } 3629: 3627:{\displaystyle X^{*}} 3602: 3564: 3542: 3520: 3518:{\displaystyle X^{*}} 3493: 3435: 3384: 3382:{\displaystyle X^{*}} 3337: 3292: 3146: 3144:{\displaystyle X^{*}} 3112: 3033: 3031:{\displaystyle X^{*}} 2979: 2937: 2892: 2849: 2789: 2787:{\displaystyle x_{n}} 2754: 2752:{\displaystyle x_{n}} 2724: 2691: 2669: 2647: 2618: 2570: 2533:Further information: 2513: 2470: 2444: 2411: 2361: 2359:{\displaystyle X^{*}} 2330: 2328:{\displaystyle X^{*}} 2267: 2214: 2212:{\displaystyle X^{*}} 2187: 2145: 2143:{\displaystyle X^{*}} 2117: 2115:{\displaystyle X^{*}} 2080: 2078:{\displaystyle X^{*}} 2053: 2028: 1962: 1902: 1834: 1796: 1770: 1713: 1674: 1644: 1642:{\displaystyle X^{*}} 1621:continuous dual space 1589:scalar multiplication 1575: 1549: 1348: 1291: 1266: 1229: 1198: 1172: 1111: 1075: 1073:{\displaystyle (X,Y)} 1043: 965: 940: 915: 824: 753: 718: 626:The weak topology on 608: 498: 458:. Similarly, for all 429: 372: 337: 307: 231: 193: 104:weakly differentiable 5847:Kakutani fixed-point 5832:Riesz representation 5390:Megginson, Robert E. 5183: 5086: 4952:is closed and has a 4892:rigged Hilbert space 4859: 4803: 4724: 4689: 4536: 4427: 4362: 4330: 4277: 4257:. If a normed space 4234: 4207: 4134: 4072: 4037: 4002: 3875: 3808: 3785: 3745: 3715: 3661: 3638: 3611: 3584: 3551: 3529: 3502: 3451: 3393: 3366: 3304: 3194: 3128: 3045: 3015: 2952: 2904: 2868: 2807: 2771: 2736: 2700: 2678: 2656: 2627: 2591: 2546: 2483: 2457: 2420: 2381: 2343: 2312: 2223: 2196: 2157: 2150:with respect to the 2127: 2099: 2062: 2037: 1975: 1932: 1925:with respect to the 1843: 1805: 1779: 1722: 1690: 1661: 1657:into the base field 1626: 1562: 1536: 1366:algebraic dual space 1300: 1275: 1238: 1207: 1181: 1124: 1088: 1052: 1002: 985:algebraic dual space 952: 927: 902: 811: 740: 705: 595: 485: 416: 359: 324: 294: 218: 180: 110:, etc.) if they are 88:, etc.) if they are 61:, for instance on a 6374:Biorthogonal system 6206:Operator topologies 6031:Functional calculus 5990:Mahler's conjecture 5969:Von Neumann algebra 5683:Functional analysis 5636:Functional analysis 5552:Schaefer, Helmut H. 5521:Functional Analysis 5419:, pp. 36, 201. 5366:, pp. 225–273. 5063:. For instance, if 5059:is the topology of 5018:operator topologies 4960:Operator topologies 4676:, if the sequence { 4672:such as a space of 4178:Heine-Borel theorem 3737:. In particular, a 3569:remain continuous. 3153:uniform convergence 2795:converges weakly to 2368:continuous function 2296:Alternatively, the 1084:whose bilinear map 140:functional analysis 75:functional analysis 67:normed vector space 6056:Riemann hypothesis 5755:Topological vector 5289:Eberlein compactum 5235: 5123: 4874: 4816: 4782: 4697: 4648:for all functions 4635: 4500: 4406: 4345: 4290: 4247: 4220: 4147: 4085: 4050: 4015: 3933:simple convergence 3908: 3845: 3791: 3771: 3727: 3698: 3644: 3624: 3597: 3573:Weak-* convergence 3559: 3537: 3525:to the base field 3515: 3488: 3430: 3379: 3350:(spaces for which 3332: 3287: 3282: 3141: 3107: 3081: 3028: 2974: 2932: 2887: 2844: 2784: 2749: 2732:In particular, if 2719: 2686: 2664: 2642: 2613: 2565: 2508: 2465: 2439: 2406: 2356: 2325: 2262: 2209: 2182: 2140: 2112: 2075: 2051:{\displaystyle x'} 2048: 2023: 1957: 1897: 1829: 1791: 1765: 1708: 1669: 1651:linear functionals 1639: 1570: 1544: 1390:In this case, the 1343: 1289:{\displaystyle x'} 1286: 1261: 1224: 1193: 1167: 1106: 1070: 1038: 960: 935: 910: 819: 748: 713: 688:, making all maps 603: 578:, making all maps 493: 424: 367: 332: 302: 226: 188: 159:schwache Topologie 148:weak-* convergence 51:initial topologies 6382: 6381: 6271:in Hilbert spaces 6133: 6132: 6036:Integral operator 5813: 5812: 5645:978-3-540-58654-8 5599:978-0-486-45352-1 5569:978-1-4612-7155-0 5535:978-0-07-054236-5 5462:978-0-471-31716-6 5038:For example, the 4797:orthonormal basis 4762: 4620: 4568: 3903: 3634:is convergent to 3060: 2927: 2152:canonical pairing 2095:weak topology on 1927:canonical pairing 1916:weak topology on 1399:weak topology on 1392:weak topology on 1082:canonical pairing 975:Canonical duality 643:weak topology on 533:weak topology on 200:topological field 99:weakly continuous 36:coherent topology 27:Mathematical term 16:(Redirected from 6412: 6395:General topology 6353:Saturated family 6251:Ultraweak/Weak-* 6160: 6153: 6146: 6137: 6123: 6122: 6041:Jones polynomial 5959:Operator algebra 5703: 5676: 5669: 5662: 5653: 5648: 5630: 5617:General Topology 5611: 5586:Trèves, François 5581: 5547: 5511: 5493: 5466: 5447: 5420: 5414: 5408: 5406: 5385: 5379: 5373: 5367: 5361: 5267: 5257: 5244: 5242: 5241: 5236: 5201: 5200: 5175: 5160: 5145: 5132: 5130: 5129: 5124: 5119: 5118: 5078: 5068: 5058: 5034: 5011: 5005: 4988: 4973: 4967: 4951: 4947: 4943: 4939: 4933: 4925: 4921: 4917: 4905: 4889: 4883: 4881: 4880: 4875: 4873: 4872: 4867: 4832: 4825: 4823: 4822: 4817: 4815: 4814: 4791: 4789: 4788: 4783: 4763: 4758: 4750: 4736: 4735: 4716: 4706: 4704: 4703: 4698: 4696: 4671: 4657: 4644: 4642: 4641: 4636: 4631: 4622: 4621: 4613: 4610: 4609: 4608: 4607: 4602: 4585: 4576: 4575: 4570: 4569: 4561: 4557: 4556: 4555: 4554: 4549: 4525: 4519: 4509: 4507: 4506: 4501: 4489: 4488: 4481: 4480: 4475: 4463: 4462: 4453: 4448: 4447: 4446: 4445: 4440: 4419: 4415: 4413: 4412: 4407: 4402: 4401: 4396: 4387: 4386: 4374: 4373: 4357: 4354: 4352: 4351: 4346: 4344: 4343: 4338: 4303: 4299: 4297: 4296: 4291: 4289: 4288: 4268: 4264: 4260: 4256: 4254: 4253: 4248: 4246: 4245: 4229: 4227: 4226: 4221: 4219: 4218: 4202: 4198: 4187: 4183: 4175: 4168: 4164: 4160: 4156: 4154: 4153: 4148: 4146: 4145: 4129: 4125: 4121: 4117: 4106: 4102: 4098: 4094: 4092: 4091: 4086: 4084: 4083: 4059: 4057: 4056: 4051: 4049: 4048: 4032: 4024: 4022: 4021: 4016: 4014: 4013: 3989: 3978: 3954: 3927: 3917: 3915: 3914: 3909: 3904: 3902: 3901: 3889: 3887: 3886: 3867: 3854: 3852: 3851: 3846: 3820: 3819: 3800: 3798: 3797: 3792: 3780: 3778: 3777: 3772: 3770: 3769: 3757: 3756: 3736: 3734: 3733: 3728: 3707: 3705: 3704: 3699: 3673: 3672: 3653: 3651: 3650: 3645: 3633: 3631: 3630: 3625: 3623: 3622: 3606: 3604: 3603: 3598: 3596: 3595: 3568: 3566: 3565: 3560: 3558: 3546: 3544: 3543: 3538: 3536: 3524: 3522: 3521: 3516: 3514: 3513: 3497: 3495: 3494: 3489: 3463: 3462: 3439: 3437: 3436: 3431: 3429: 3428: 3388: 3386: 3385: 3380: 3378: 3377: 3341: 3339: 3338: 3333: 3331: 3330: 3296: 3294: 3293: 3288: 3286: 3285: 3255: 3254: 3241: 3233: 3232: 3220: 3219: 3179: 3150: 3148: 3147: 3142: 3140: 3139: 3116: 3114: 3113: 3108: 3103: 3086: 3080: 3037: 3035: 3034: 3029: 3027: 3026: 3010: 2999: 2995: 2988:Other properties 2983: 2981: 2980: 2975: 2964: 2963: 2941: 2939: 2938: 2933: 2928: 2926: 2918: 2916: 2915: 2896: 2894: 2893: 2888: 2886: 2885: 2863: 2853: 2851: 2850: 2845: 2825: 2824: 2799: 2793: 2791: 2790: 2785: 2783: 2782: 2766: 2758: 2756: 2755: 2750: 2748: 2747: 2728: 2726: 2725: 2720: 2718: 2717: 2695: 2693: 2692: 2687: 2685: 2673: 2671: 2670: 2665: 2663: 2651: 2649: 2648: 2643: 2622: 2620: 2619: 2614: 2609: 2608: 2586: 2582: 2578: 2574: 2572: 2571: 2566: 2561: 2560: 2529:Weak convergence 2517: 2515: 2514: 2509: 2498: 2497: 2478: 2474: 2472: 2471: 2466: 2464: 2452: 2448: 2446: 2445: 2440: 2438: 2437: 2415: 2413: 2412: 2407: 2396: 2395: 2365: 2363: 2362: 2357: 2355: 2354: 2334: 2332: 2331: 2326: 2324: 2323: 2306:initial topology 2303: 2279: 2275: 2271: 2269: 2268: 2263: 2261: 2253: 2252: 2219:making all maps 2218: 2216: 2215: 2210: 2208: 2207: 2191: 2189: 2188: 2183: 2178: 2177: 2149: 2147: 2146: 2141: 2139: 2138: 2121: 2119: 2118: 2113: 2111: 2110: 2084: 2082: 2081: 2076: 2074: 2073: 2057: 2055: 2054: 2049: 2047: 2032: 2030: 2029: 2024: 2022: 2005: 1985: 1971:making all maps 1970: 1966: 1964: 1963: 1958: 1953: 1952: 1924: 1919: 1906: 1904: 1903: 1898: 1896: 1876: 1862: 1838: 1836: 1835: 1830: 1828: 1827: 1815: 1800: 1798: 1797: 1792: 1774: 1772: 1771: 1766: 1755: 1741: 1717: 1715: 1714: 1709: 1678: 1676: 1675: 1670: 1668: 1656: 1648: 1646: 1645: 1640: 1638: 1637: 1618: 1609:initial topology 1595:starts with the 1594: 1583:equipped with a 1579: 1577: 1576: 1571: 1569: 1557: 1553: 1551: 1550: 1545: 1543: 1527: 1516:, Theorem 3.10) 1511: 1507: 1495: 1491: 1487: 1480: 1477:with respect to 1476: 1471:initial topology 1468: 1453: 1452: 1439: 1435: 1427: 1415: 1395: 1385: 1384: 1371: 1363: 1352: 1350: 1349: 1344: 1333: 1319: 1295: 1293: 1292: 1287: 1285: 1270: 1268: 1267: 1262: 1257: 1233: 1231: 1230: 1225: 1217: 1202: 1200: 1199: 1194: 1176: 1174: 1173: 1168: 1157: 1143: 1115: 1113: 1112: 1107: 1079: 1077: 1076: 1071: 1047: 1045: 1044: 1039: 994: 990: 982: 969: 967: 966: 961: 959: 944: 942: 941: 936: 934: 919: 917: 916: 911: 909: 886: 876: 863: 861: 847:) := | 829: 828: 826: 825: 820: 818: 788: 784: 768: 766: 757: 755: 754: 749: 747: 731: 727: 723: 722: 720: 719: 714: 712: 687: 675: 659: 655: 651: 646: 629: 621: 617: 613: 612: 610: 609: 604: 602: 577: 565: 549: 545: 541: 536: 522: 503: 502: 500: 499: 494: 492: 467: 457: 438: 434: 433: 431: 430: 425: 423: 398: 377: 376: 374: 373: 368: 366: 341: 339: 338: 333: 331: 319: 315: 311: 309: 308: 303: 301: 285: 240:or the field of 235: 233: 232: 227: 225: 197: 195: 194: 189: 187: 161: 155: 153:topologie faible 59:linear operators 32:initial topology 21: 6420: 6419: 6415: 6414: 6413: 6411: 6410: 6409: 6385: 6384: 6383: 6378: 6362: 6341: 6325: 6304: 6225: 6174: 6164: 6134: 6129: 6111: 6075:Advanced topics 6070: 5994: 5973: 5932: 5898:Hilbert–Schmidt 5871: 5862:Gelfand–Naimark 5809: 5759: 5694: 5680: 5646: 5633: 5627: 5614: 5600: 5584: 5570: 5550: 5536: 5514: 5509: 5496: 5482: 5469: 5463: 5450: 5445: 5432: 5429: 5424: 5423: 5415: 5411: 5404: 5388: 5386: 5382: 5378:, pp. 170. 5374: 5370: 5362: 5333: 5328: 5285: 5259: 5249: 5186: 5181: 5180: 5162: 5159: 5147: 5141: 5110: 5084: 5083: 5070: 5064: 5045: 5021: 5007: 4993: 4975: 4969: 4965: 4962: 4949: 4945: 4941: 4935: 4931: 4923: 4919: 4915: 4903: 4900: 4885: 4862: 4857: 4856: 4849: 4843: 4827: 4806: 4801: 4800: 4727: 4722: 4721: 4711: 4687: 4686: 4684: 4667: 4649: 4597: 4592: 4558: 4544: 4539: 4534: 4533: 4521: 4514: 4470: 4454: 4435: 4430: 4425: 4424: 4417: 4391: 4378: 4365: 4360: 4359: 4333: 4328: 4327: 4321: 4315: 4310: 4301: 4280: 4275: 4274: 4266: 4262: 4258: 4237: 4232: 4231: 4210: 4205: 4204: 4200: 4196: 4190:locally compact 4185: 4181: 4173: 4166: 4162: 4158: 4137: 4132: 4131: 4127: 4123: 4119: 4115: 4104: 4100: 4096: 4075: 4070: 4069: 4040: 4035: 4034: 4030: 4005: 4000: 3999: 3987: 3979:is a separable 3976: 3952: 3949: 3922: 3893: 3878: 3873: 3872: 3859: 3811: 3806: 3805: 3783: 3782: 3761: 3748: 3743: 3742: 3713: 3712: 3664: 3659: 3658: 3636: 3635: 3614: 3609: 3608: 3587: 3582: 3581: 3549: 3548: 3527: 3526: 3505: 3500: 3499: 3454: 3449: 3448: 3445: 3417: 3391: 3390: 3369: 3364: 3363: 3360:weak-* topology 3319: 3302: 3301: 3281: 3280: 3246: 3243: 3242: 3224: 3211: 3204: 3192: 3191: 3177: 3167: 3161: 3159:Weak-* topology 3131: 3126: 3125: 3122:strong topology 3043: 3042: 3018: 3013: 3012: 3008: 2997: 2993: 2990: 2955: 2950: 2949: 2945:or, sometimes, 2907: 2902: 2901: 2877: 2866: 2865: 2858: 2816: 2805: 2804: 2797: 2774: 2769: 2768: 2764: 2739: 2734: 2733: 2709: 2698: 2697: 2676: 2675: 2654: 2653: 2625: 2624: 2600: 2589: 2588: 2587:if and only if 2584: 2580: 2576: 2552: 2544: 2543: 2537: 2531: 2486: 2481: 2480: 2476: 2455: 2454: 2450: 2429: 2418: 2417: 2384: 2379: 2378: 2346: 2341: 2340: 2315: 2310: 2309: 2301: 2294: 2277: 2273: 2272:continuous, as 2244: 2221: 2220: 2199: 2194: 2193: 2169: 2155: 2154: 2130: 2125: 2124: 2102: 2097: 2096: 2065: 2060: 2059: 2040: 2035: 2034: 2033:continuous, as 1998: 1978: 1973: 1972: 1968: 1944: 1930: 1929: 1922: 1917: 1889: 1869: 1855: 1841: 1840: 1819: 1808: 1803: 1802: 1777: 1776: 1748: 1734: 1720: 1719: 1688: 1687: 1659: 1658: 1654: 1629: 1624: 1623: 1616: 1613:strong topology 1592: 1560: 1559: 1555: 1534: 1533: 1525: 1522: 1509: 1497: 1493: 1489: 1485: 1478: 1474: 1458: 1442: 1441: 1437: 1433: 1417: 1405: 1402: 1393: 1374: 1373: 1369: 1361: 1326: 1312: 1298: 1297: 1278: 1273: 1272: 1250: 1236: 1235: 1210: 1205: 1204: 1179: 1178: 1150: 1136: 1122: 1121: 1086: 1085: 1050: 1049: 1000: 999: 992: 988: 980: 977: 950: 949: 947:complex numbers 925: 924: 900: 899: 878: 868: 848: 842: 834: 809: 808: 802: 794: 786: 770: 764: 762: 738: 737: 729: 725: 724:continuous, as 703: 702: 689: 677: 661: 657: 653: 649: 644: 627: 619: 615: 614:continuous, as 593: 592: 579: 567: 551: 547: 543: 539: 534: 505: 483: 482: 469: 459: 440: 436: 414: 413: 400: 390: 357: 356: 343: 322: 321: 317: 313: 292: 291: 271: 256: 250: 238:complex numbers 216: 215: 178: 177: 174: 168: 128: 114:(respectively, 108:weakly analytic 102:(respectively, 92:(respectively, 84:(respectively, 71:continuous dual 39: 28: 23: 22: 15: 12: 11: 5: 6418: 6416: 6408: 6407: 6402: 6397: 6387: 6386: 6380: 6379: 6377: 6376: 6370: 6368: 6367:Other concepts 6364: 6363: 6361: 6360: 6355: 6349: 6347: 6343: 6342: 6340: 6339: 6333: 6331: 6327: 6326: 6324: 6323: 6318: 6316:Banach–Alaoglu 6312: 6310: 6306: 6305: 6303: 6302: 6297: 6296: 6295: 6290: 6288:polar topology 6280: 6275: 6274: 6273: 6268: 6263: 6253: 6248: 6247: 6246: 6235: 6233: 6227: 6226: 6224: 6223: 6218: 6216:Polar topology 6213: 6208: 6203: 6198: 6193: 6188: 6182: 6180: 6179:Basic concepts 6176: 6175: 6169:and spaces of 6165: 6163: 6162: 6155: 6148: 6140: 6131: 6130: 6128: 6127: 6116: 6113: 6112: 6110: 6109: 6104: 6099: 6094: 6092:Choquet theory 6089: 6084: 6078: 6076: 6072: 6071: 6069: 6068: 6058: 6053: 6048: 6043: 6038: 6033: 6028: 6023: 6018: 6013: 6008: 6002: 6000: 5996: 5995: 5993: 5992: 5987: 5981: 5979: 5975: 5974: 5972: 5971: 5966: 5961: 5956: 5951: 5946: 5944:Banach algebra 5940: 5938: 5934: 5933: 5931: 5930: 5925: 5920: 5915: 5910: 5905: 5900: 5895: 5890: 5885: 5879: 5877: 5873: 5872: 5870: 5869: 5867:Banach–Alaoglu 5864: 5859: 5854: 5849: 5844: 5839: 5834: 5829: 5823: 5821: 5815: 5814: 5811: 5810: 5808: 5807: 5802: 5797: 5795:Locally convex 5792: 5778: 5773: 5767: 5765: 5761: 5760: 5758: 5757: 5752: 5747: 5742: 5737: 5732: 5727: 5722: 5717: 5712: 5706: 5700: 5696: 5695: 5681: 5679: 5678: 5671: 5664: 5656: 5650: 5649: 5644: 5631: 5625: 5612: 5598: 5582: 5568: 5548: 5534: 5512: 5507: 5494: 5481:978-1584888666 5480: 5467: 5461: 5448: 5443: 5428: 5425: 5422: 5421: 5409: 5402: 5380: 5368: 5330: 5329: 5327: 5324: 5323: 5322: 5320:Vague topology 5317: 5312: 5307: 5302: 5297: 5292: 5284: 5281: 5246: 5245: 5234: 5231: 5228: 5225: 5222: 5219: 5216: 5213: 5210: 5207: 5204: 5199: 5196: 5193: 5189: 5151: 5134: 5133: 5122: 5117: 5113: 5109: 5106: 5103: 5100: 5097: 5094: 5091: 4961: 4958: 4912:algebraic dual 4899: 4896: 4871: 4866: 4845:Main article: 4842: 4839: 4813: 4809: 4793: 4792: 4781: 4778: 4775: 4772: 4769: 4766: 4761: 4757: 4753: 4748: 4745: 4742: 4739: 4734: 4730: 4695: 4680: 4674:test functions 4646: 4645: 4634: 4630: 4625: 4619: 4616: 4606: 4601: 4595: 4591: 4588: 4584: 4579: 4574: 4567: 4564: 4553: 4548: 4542: 4511: 4510: 4499: 4496: 4492: 4487: 4479: 4474: 4469: 4466: 4461: 4457: 4452: 4444: 4439: 4433: 4416:to an element 4405: 4400: 4395: 4390: 4385: 4381: 4377: 4372: 4368: 4342: 4337: 4314: 4313:Hilbert spaces 4311: 4309: 4306: 4287: 4283: 4244: 4240: 4217: 4213: 4161:of continuous 4144: 4140: 4082: 4078: 4047: 4043: 4012: 4008: 3996: 3995: 3990:is separable. 3984:locally convex 3961:locally convex 3948: 3945: 3919: 3918: 3907: 3900: 3896: 3892: 3885: 3881: 3856: 3855: 3844: 3841: 3838: 3835: 3832: 3829: 3826: 3823: 3818: 3814: 3801:provided that 3790: 3768: 3764: 3760: 3755: 3751: 3726: 3723: 3720: 3709: 3708: 3697: 3694: 3691: 3688: 3685: 3682: 3679: 3676: 3671: 3667: 3643: 3621: 3617: 3594: 3590: 3575: 3574: 3557: 3535: 3512: 3508: 3487: 3484: 3481: 3478: 3475: 3472: 3469: 3466: 3461: 3457: 3443: 3427: 3424: 3420: 3416: 3413: 3410: 3407: 3404: 3401: 3398: 3376: 3372: 3329: 3326: 3322: 3318: 3315: 3312: 3309: 3298: 3297: 3284: 3279: 3276: 3273: 3270: 3267: 3264: 3261: 3258: 3253: 3249: 3245: 3244: 3240: 3236: 3231: 3227: 3223: 3218: 3214: 3210: 3209: 3207: 3202: 3199: 3171:polar topology 3165:Polar topology 3160: 3157: 3138: 3134: 3118: 3117: 3106: 3102: 3098: 3095: 3092: 3089: 3085: 3079: 3076: 3073: 3070: 3067: 3063: 3059: 3056: 3053: 3050: 3025: 3021: 2989: 2986: 2985: 2984: 2973: 2970: 2967: 2962: 2958: 2943: 2942: 2931: 2925: 2921: 2914: 2910: 2884: 2880: 2876: 2873: 2855: 2854: 2843: 2840: 2837: 2834: 2831: 2828: 2823: 2819: 2815: 2812: 2781: 2777: 2746: 2742: 2716: 2712: 2708: 2705: 2684: 2662: 2641: 2638: 2635: 2632: 2612: 2607: 2603: 2599: 2596: 2564: 2559: 2555: 2551: 2530: 2527: 2523:polar topology 2507: 2504: 2501: 2496: 2493: 2489: 2463: 2436: 2432: 2428: 2425: 2405: 2402: 2399: 2394: 2391: 2387: 2353: 2349: 2322: 2318: 2293: 2290: 2286: 2285: 2282:weak* topology 2260: 2256: 2251: 2247: 2243: 2240: 2237: 2234: 2231: 2228: 2206: 2202: 2181: 2176: 2172: 2168: 2165: 2162: 2137: 2133: 2109: 2105: 2087: 2086: 2072: 2068: 2046: 2043: 2021: 2017: 2014: 2011: 2008: 2004: 2001: 1997: 1994: 1991: 1988: 1984: 1981: 1956: 1951: 1947: 1943: 1940: 1937: 1895: 1892: 1888: 1885: 1882: 1879: 1875: 1872: 1868: 1865: 1861: 1858: 1854: 1851: 1848: 1826: 1822: 1818: 1814: 1811: 1790: 1787: 1784: 1764: 1761: 1758: 1754: 1751: 1747: 1744: 1740: 1737: 1733: 1730: 1727: 1707: 1704: 1701: 1698: 1695: 1667: 1636: 1632: 1605:given topology 1568: 1542: 1521: 1518: 1404:), denoted by 1400: 1388: 1387: 1342: 1339: 1336: 1332: 1329: 1325: 1322: 1318: 1315: 1311: 1308: 1305: 1284: 1281: 1260: 1256: 1253: 1249: 1246: 1243: 1223: 1220: 1216: 1213: 1192: 1189: 1186: 1166: 1163: 1160: 1156: 1153: 1149: 1146: 1142: 1139: 1135: 1132: 1129: 1105: 1102: 1099: 1096: 1093: 1069: 1066: 1063: 1060: 1057: 1037: 1034: 1031: 1028: 1025: 1022: 1019: 1016: 1013: 1010: 1007: 976: 973: 972: 971: 958: 933: 920:is either the 908: 889:locally convex 865: 864: 838: 817: 798: 760:absolute value 746: 734: 733: 711: 624: 623: 601: 525: 524: 504:be defined by 491: 422: 365: 330: 300: 252:Main article: 249: 246: 224: 186: 170:Main article: 167: 164: 156:in French and 127: 124: 116:differentiable 86:weakly compact 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 6417: 6406: 6403: 6401: 6398: 6396: 6393: 6392: 6390: 6375: 6372: 6371: 6369: 6365: 6359: 6356: 6354: 6351: 6350: 6348: 6344: 6338: 6335: 6334: 6332: 6328: 6322: 6319: 6317: 6314: 6313: 6311: 6307: 6301: 6298: 6294: 6291: 6289: 6286: 6285: 6284: 6281: 6279: 6276: 6272: 6269: 6267: 6264: 6262: 6259: 6258: 6257: 6254: 6252: 6249: 6245: 6242: 6241: 6240: 6239:Norm topology 6237: 6236: 6234: 6232: 6228: 6222: 6219: 6217: 6214: 6212: 6209: 6207: 6204: 6202: 6199: 6197: 6196:Dual topology 6194: 6192: 6189: 6187: 6184: 6183: 6181: 6177: 6172: 6168: 6161: 6156: 6154: 6149: 6147: 6142: 6141: 6138: 6126: 6118: 6117: 6114: 6108: 6105: 6103: 6100: 6098: 6097:Weak topology 6095: 6093: 6090: 6088: 6085: 6083: 6080: 6079: 6077: 6073: 6066: 6062: 6059: 6057: 6054: 6052: 6049: 6047: 6044: 6042: 6039: 6037: 6034: 6032: 6029: 6027: 6024: 6022: 6021:Index theorem 6019: 6017: 6014: 6012: 6009: 6007: 6004: 6003: 6001: 5997: 5991: 5988: 5986: 5983: 5982: 5980: 5978:Open problems 5976: 5970: 5967: 5965: 5962: 5960: 5957: 5955: 5952: 5950: 5947: 5945: 5942: 5941: 5939: 5935: 5929: 5926: 5924: 5921: 5919: 5916: 5914: 5911: 5909: 5906: 5904: 5901: 5899: 5896: 5894: 5891: 5889: 5886: 5884: 5881: 5880: 5878: 5874: 5868: 5865: 5863: 5860: 5858: 5855: 5853: 5850: 5848: 5845: 5843: 5840: 5838: 5835: 5833: 5830: 5828: 5825: 5824: 5822: 5820: 5816: 5806: 5803: 5801: 5798: 5796: 5793: 5790: 5786: 5782: 5779: 5777: 5774: 5772: 5769: 5768: 5766: 5762: 5756: 5753: 5751: 5748: 5746: 5743: 5741: 5738: 5736: 5733: 5731: 5728: 5726: 5723: 5721: 5718: 5716: 5713: 5711: 5708: 5707: 5704: 5701: 5697: 5692: 5688: 5684: 5677: 5672: 5670: 5665: 5663: 5658: 5657: 5654: 5647: 5641: 5637: 5632: 5628: 5626:9780486434797 5622: 5618: 5613: 5609: 5605: 5601: 5595: 5591: 5587: 5583: 5579: 5575: 5571: 5565: 5561: 5557: 5553: 5549: 5545: 5541: 5537: 5531: 5527: 5523: 5522: 5517: 5516:Rudin, Walter 5513: 5510: 5508:0-387-96788-5 5504: 5500: 5495: 5491: 5487: 5483: 5477: 5473: 5468: 5464: 5458: 5454: 5449: 5446: 5444:0-387-97245-5 5440: 5436: 5431: 5430: 5426: 5418: 5413: 5410: 5405: 5403:0-387-98431-3 5399: 5395: 5391: 5384: 5381: 5377: 5372: 5369: 5365: 5360: 5358: 5356: 5354: 5352: 5350: 5348: 5346: 5344: 5342: 5340: 5338: 5336: 5332: 5325: 5321: 5318: 5316: 5313: 5311: 5308: 5306: 5303: 5301: 5298: 5296: 5293: 5290: 5287: 5286: 5282: 5280: 5278: 5274: 5269: 5266: 5262: 5256: 5252: 5232: 5223: 5217: 5211: 5205: 5202: 5197: 5194: 5191: 5187: 5179: 5178: 5177: 5173: 5169: 5165: 5158: 5154: 5150: 5144: 5139: 5120: 5115: 5104: 5098: 5089: 5082: 5081: 5080: 5077: 5073: 5067: 5062: 5056: 5052: 5048: 5043: 5042: 5036: 5032: 5028: 5024: 5019: 5015: 5010: 5004: 5001: â†’  5000: 4996: 4992: 4986: 4982: 4978: 4972: 4959: 4957: 4955: 4938: 4929: 4913: 4909: 4902:Suppose that 4897: 4895: 4893: 4888: 4869: 4854: 4853:distributions 4848: 4841:Distributions 4840: 4838: 4836: 4830: 4811: 4807: 4798: 4776: 4773: 4767: 4764: 4759: 4755: 4751: 4746: 4740: 4732: 4728: 4720: 4719: 4718: 4714: 4708: 4683: 4679: 4675: 4670: 4665: 4661: 4656: 4652: 4632: 4623: 4614: 4604: 4593: 4586: 4577: 4572: 4562: 4551: 4540: 4532: 4531: 4530: 4527: 4524: 4517: 4497: 4490: 4477: 4467: 4464: 4459: 4455: 4442: 4431: 4423: 4422: 4421: 4398: 4383: 4379: 4375: 4370: 4366: 4356: 4340: 4325: 4320: 4319:Hilbert space 4312: 4307: 4305: 4285: 4281: 4272: 4242: 4238: 4215: 4211: 4193: 4191: 4179: 4170: 4142: 4138: 4112: 4110: 4080: 4076: 4067: 4063: 4045: 4041: 4028: 4010: 4006: 3993: 3992: 3991: 3985: 3982: 3974: 3970: 3966: 3962: 3958: 3946: 3944: 3942: 3938: 3934: 3929: 3925: 3905: 3898: 3894: 3883: 3879: 3871: 3870: 3869: 3866: 3862: 3839: 3833: 3824: 3816: 3812: 3804: 3803: 3802: 3788: 3781:converges to 3766: 3762: 3758: 3753: 3749: 3740: 3724: 3721: 3718: 3692: 3686: 3677: 3669: 3665: 3657: 3656: 3655: 3641: 3619: 3615: 3592: 3588: 3580: 3572: 3571: 3570: 3510: 3506: 3482: 3476: 3473: 3467: 3459: 3455: 3447:, defined by 3446: 3425: 3422: 3418: 3414: 3408: 3402: 3399: 3396: 3374: 3370: 3361: 3357: 3353: 3349: 3345: 3327: 3324: 3320: 3313: 3310: 3307: 3274: 3268: 3265: 3259: 3251: 3247: 3229: 3225: 3221: 3216: 3212: 3205: 3197: 3190: 3189: 3188: 3186: 3183: 3174: 3172: 3166: 3158: 3156: 3154: 3136: 3132: 3123: 3104: 3093: 3087: 3077: 3074: 3068: 3057: 3051: 3041: 3040: 3039: 3023: 3019: 3005: 3003: 2987: 2971: 2968: 2960: 2956: 2948: 2947: 2946: 2929: 2912: 2908: 2900: 2899: 2898: 2882: 2878: 2874: 2871: 2861: 2838: 2832: 2821: 2817: 2810: 2803: 2802: 2801: 2796: 2779: 2775: 2762: 2744: 2740: 2730: 2714: 2710: 2706: 2703: 2636: 2630: 2623:converges to 2605: 2601: 2594: 2557: 2553: 2542: 2536: 2528: 2526: 2524: 2519: 2502: 2494: 2491: 2487: 2434: 2430: 2426: 2423: 2400: 2392: 2389: 2385: 2376: 2371: 2369: 2351: 2347: 2338: 2320: 2316: 2307: 2299: 2298:weak topology 2291: 2289: 2283: 2249: 2245: 2241: 2235: 2232: 2229: 2204: 2200: 2174: 2170: 2166: 2163: 2153: 2135: 2131: 2122: 2107: 2103: 2092: 2089: 2088: 2070: 2066: 2044: 2041: 2012: 2009: 2002: 1999: 1995: 1992: 1986: 1982: 1979: 1949: 1945: 1941: 1938: 1928: 1920: 1913: 1910: 1909: 1908: 1893: 1890: 1886: 1880: 1873: 1870: 1866: 1859: 1856: 1852: 1849: 1824: 1820: 1816: 1812: 1809: 1788: 1785: 1782: 1759: 1752: 1749: 1745: 1738: 1735: 1731: 1728: 1702: 1699: 1696: 1684: 1682: 1652: 1634: 1630: 1622: 1614: 1610: 1606: 1602: 1598: 1590: 1586: 1582: 1531: 1519: 1517: 1515: 1505: 1501: 1482: 1472: 1466: 1462: 1457:The topology 1455: 1450: 1446: 1431: 1430:weak topology 1425: 1421: 1413: 1409: 1403: 1396: 1382: 1378: 1367: 1359: 1356: 1355: 1354: 1337: 1330: 1327: 1323: 1316: 1313: 1309: 1306: 1282: 1279: 1254: 1251: 1247: 1244: 1221: 1218: 1214: 1211: 1190: 1187: 1184: 1161: 1154: 1151: 1147: 1140: 1137: 1133: 1130: 1120:, defined by 1119: 1100: 1097: 1094: 1083: 1080:, called the 1064: 1061: 1058: 1029: 1026: 1023: 1017: 1014: 1011: 1008: 996: 986: 974: 948: 923: 897: 894: 893: 892: 890: 885: 881: 875: 871: 859: 855: 851: 846: 841: 837: 833: 832: 831: 830:, defined by 806: 801: 797: 792: 782: 778: 774: 761: 736:If the field 700: 696: 692: 685: 681: 673: 669: 665: 660:, denoted by 647: 640: 637: 636: 635: 633: 590: 586: 582: 575: 571: 563: 559: 555: 550:, denoted by 537: 530: 527: 526: 520: 516: 512: 508: 480: 476: 472: 466: 462: 455: 451: 447: 443: 411: 407: 403: 397: 393: 388: 385: 384: 383: 381: 354: 350: 346: 289: 283: 279: 275: 268: 265: 261: 255: 247: 245: 243: 239: 213: 209: 205: 201: 173: 165: 163: 160: 154: 149: 145: 141: 137: 133: 132:David Hilbert 125: 123: 121: 117: 113: 109: 105: 101: 100: 95: 91: 87: 83: 82:weakly closed 78: 76: 72: 68: 64: 63:Hilbert space 60: 57:or spaces of 56: 52: 48: 47:weak topology 44: 37: 33: 19: 6321:Mackey–Arens 6309:Main results 6255: 6096: 6087:Balanced set 6061:Distribution 5999:Applications 5852:Krein–Milman 5837:Closed graph 5635: 5616: 5589: 5555: 5520: 5501:, Springer, 5499:Analysis Now 5498: 5471: 5452: 5434: 5427:Bibliography 5412: 5393: 5383: 5376:Folland 1999 5371: 5270: 5264: 5260: 5254: 5250: 5247: 5171: 5167: 5163: 5156: 5152: 5148: 5142: 5137: 5135: 5075: 5071: 5065: 5060: 5054: 5050: 5046: 5039: 5037: 5030: 5026: 5022: 5008: 5002: 4998: 4994: 4984: 4980: 4976: 4970: 4963: 4936: 4927: 4907: 4901: 4886: 4850: 4828: 4794: 4712: 4709: 4681: 4677: 4668: 4664:dense subset 4659: 4654: 4650: 4647: 4528: 4522: 4515: 4512: 4323: 4316: 4271:Banach space 4194: 4171: 4113: 3997: 3968: 3964: 3950: 3936: 3932: 3930: 3923: 3920: 3864: 3860: 3857: 3710: 3576: 3441: 3359: 3351: 3299: 3184: 3175: 3168: 3121: 3119: 3006: 2991: 2944: 2859: 2856: 2794: 2731: 2538: 2520: 2372: 2297: 2295: 2287: 2281: 2276:ranges over 2094: 2090: 2058:ranges over 1915: 1911: 1686:Recall that 1685: 1604: 1600: 1596: 1581:vector space 1523: 1503: 1499: 1483: 1464: 1460: 1456: 1448: 1444: 1423: 1419: 1411: 1407: 1398: 1391: 1389: 1380: 1376: 1357: 1117: 997: 978: 922:real numbers 895: 883: 879: 873: 869: 866: 857: 853: 849: 844: 839: 835: 804: 799: 795: 780: 776: 772: 735: 728:ranges over 698: 697:, •) : 694: 690: 683: 679: 671: 667: 663: 642: 638: 625: 618:ranges over 588: 584: 580: 573: 569: 561: 557: 553: 532: 528: 518: 514: 510: 506: 478: 474: 470: 464: 460: 453: 449: 445: 441: 409: 408:, •) : 405: 401: 395: 391: 386: 380:bilinear map 352: 348: 344: 281: 277: 273: 269: 263: 257: 242:real numbers 175: 136:Marcel Riesz 129: 107: 103: 97: 85: 81: 79: 46: 40: 6300:Ultrastrong 6283:Strong dual 6191:Dual system 6016:Heat kernel 6006:Hardy space 5913:Trace class 5827:Hahn–Banach 5789:Topological 5417:Trèves 2006 5248:indexed by 5014:Yosida 1980 4420:means that 3182:double dual 1912:Definition. 1554:, that is, 1532:(TVS) over 1397:(resp. the 1358:Assumption. 896:Assumption. 648:induced by 639:Definition. 632:Dual system 538:induced by 529:Definition. 439:defined by 202:, namely a 162:in German. 53:, often on 43:mathematics 6389:Categories 6231:Topologies 6186:Dual space 5949:C*-algebra 5764:Properties 5326:References 4130:. Then in 3981:metrizable 3973:metrizable 3963:space and 3947:Properties 3348:surjective 3163:See also: 2366:remains a 2091:Definition 1681:continuous 1514:Rudin 1991 1436:(resp. on 1416:(resp. by 676:or simply 566:or simply 212:continuous 112:continuous 6358:Total set 6244:Dual norm 6211:Polar set 5923:Unbounded 5918:Transpose 5876:Operators 5805:Separable 5800:Reflexive 5785:Algebraic 5771:Barrelled 5608:853623322 5588:(2006) . 5578:840278135 5490:144216834 5209:↦ 5112:‖ 5096:‖ 5093:↦ 4914:space of 4808:ψ 4768:⁡ 4760:π 4729:ψ 4633:μ 4618:¯ 4615:ψ 4594:∫ 4590:→ 4587:μ 4566:¯ 4563:ψ 4541:∫ 4495:→ 4491:μ 4468:ψ 4465:− 4456:ψ 4432:∫ 4376:∈ 4367:ψ 4286:∗ 4243:∗ 4216:∗ 4143:∗ 4109:reflexive 4081:∗ 4060:is weak*- 4046:∗ 4011:∗ 3957:separable 3906:ϕ 3899:∗ 3891:→ 3880:ϕ 3834:ϕ 3831:→ 3813:ϕ 3789:ϕ 3767:∗ 3759:∈ 3750:ϕ 3722:∈ 3687:ϕ 3684:→ 3670:λ 3666:ϕ 3642:ϕ 3620:∗ 3593:λ 3589:ϕ 3511:∗ 3477:ϕ 3468:ϕ 3426:∗ 3423:∗ 3415:⊂ 3375:∗ 3356:reflexive 3344:injective 3328:∗ 3325:∗ 3317:→ 3269:ϕ 3260:ϕ 3235:→ 3230:∗ 3201:↦ 3137:∗ 3088:ϕ 3075:≤ 3072:‖ 3066:‖ 3055:‖ 3052:ϕ 3049:‖ 3024:∗ 2966:⇀ 2920:⟶ 2883:∗ 2875:∈ 2872:φ 2833:φ 2830:→ 2811:φ 2715:∗ 2707:∈ 2704:ϕ 2631:ϕ 2606:λ 2595:ϕ 2558:λ 2492:− 2488:ϕ 2435:∗ 2427:∈ 2424:ϕ 2390:− 2386:ϕ 2352:∗ 2321:∗ 2300:on a TVS 2255:→ 2250:∗ 2239:⟩ 2236:⋅ 2227:⟨ 2205:∗ 2180:⟩ 2175:∗ 2161:⟨ 2136:∗ 2108:∗ 2071:∗ 2016:→ 2007:⟩ 1993:⋅ 1990:⟨ 1955:⟩ 1950:∗ 1936:⟨ 1881:⋅ 1864:⟩ 1850:⋅ 1847:⟨ 1825:∗ 1817:∈ 1786:∈ 1743:⟩ 1726:⟨ 1706:⟩ 1703:⋅ 1697:⋅ 1694:⟨ 1679:that are 1635:∗ 1428:) is the 1338:⋅ 1321:⟩ 1307:⋅ 1304:⟨ 1259:⟩ 1245:⋅ 1242:⟨ 1219:∈ 1188:∈ 1145:⟩ 1128:⟨ 1104:⟩ 1101:⋅ 1095:⋅ 1092:⟨ 1033:⟩ 1030:⋅ 1024:⋅ 1021:⟨ 791:seminorms 587:) : 477:) : 387:Notation. 6400:Topology 6293:operator 6266:operator 6125:Category 5937:Algebras 5819:Theorems 5776:Complete 5745:Schwartz 5691:glossary 5544:21163277 5518:(1991). 5392:(1998), 5283:See also 5263:∈ 5253:∈ 5074:∈ 4997: : 4795:form an 4653:∈ 4308:Examples 3863:∈ 3858:for all 3739:sequence 3711:for all 3176:A space 2864:for all 2761:sequence 2696:for all 2337:coarsest 2045:′ 2003:′ 1983:′ 1894:′ 1874:′ 1860:′ 1813:′ 1775:for all 1753:′ 1739:′ 1601:starting 1597:original 1585:topology 1451:⟩ 1443:⟨ 1383:⟩ 1375:⟨ 1331:′ 1317:′ 1283:′ 1255:′ 1215:′ 1177:for all 1155:′ 1141:′ 882:∈ 872:∈ 867:for all 803: : 389:For all 347: : 270:Suppose 260:pairings 208:topology 120:analytic 6346:Subsets 6278:Mackey 6201:Duality 6167:Duality 5928:Unitary 5908:Nuclear 5893:Compact 5888:Bounded 5883:Adjoint 5857:Min–max 5750:Sobolev 5735:Nuclear 5725:Hilbert 5720:FrĂŠchet 5685: ( 4910:is the 4300:unless 4062:compact 3935:or the 3358:). The 2767:, then 2375:subbase 2304:is the 1611:" and " 1469:is the 1116:is the 945:or the 758:has an 288:pairing 206:with a 126:History 94:compact 6171:linear 5903:Normal 5740:Orlicz 5730:HĂślder 5710:Banach 5699:Spaces 5687:topics 5642:  5623:  5606:  5596:  5576:  5566:  5542:  5532:  5505:  5488:  5478:  5459:  5441:  5400:  4922:). If 4678:ψ 4418:ψ 3342:is an 2416:where 2093:: The 862:| 767:| 763:| 468:, let 399:, let 312:(i.e. 144:Banach 90:closed 6261:polar 5715:Besov 4715:(0,π) 4662:in a 4269:is a 4066:polar 4029:: if 3955:is a 3498:from 3300:Thus 3124:, on 3000:is a 2759:is a 1653:from 1603:, or 1558:is a 1528:be a 1296:i.e. 652:(and 542:(and 378:is a 286:is a 204:field 198:be a 6330:Maps 6256:Weak 6173:maps 6063:(or 5781:Dual 5640:ISBN 5621:ISBN 5604:OCLC 5594:ISBN 5574:OCLC 5564:ISBN 5540:OCLC 5530:ISBN 5503:ISBN 5486:OCLC 5476:ISBN 5457:ISBN 5439:ISBN 5398:ISBN 5275:and 5258:and 4968:and 3352:this 2449:and 1914:The 1801:and 1524:Let 1203:and 877:and 641:The 583:(•, 531:The 473:(•, 342:and 316:and 264:both 176:Let 134:and 5560:GTM 5161:on 5044:on 5020:on 4989:of 4964:If 4934:is 4831:→ ∞ 4826:as 4765:sin 4666:of 4518:→ ∞ 4513:as 4195:If 4172:If 4107:is 4068:in 3951:If 3926:→ ∞ 3921:as 3741:of 3607:in 3579:net 3547:or 3362:on 3187:by 3185:X** 3062:sup 3007:If 2992:If 2862:→ ∞ 2857:as 2800:if 2763:in 2674:or 2652:in 2583:of 2575:in 2541:net 1484:If 1473:of 1432:on 1418:𝜎( 1406:𝜎( 1368:of 1360:If 1048:or 995:). 987:of 785:on 771:𝜎( 678:𝜎( 662:𝜎( 568:𝜎( 552:𝜎( 382:). 41:In 6391:: 5689:– 5602:. 5572:. 5558:. 5538:. 5528:. 5484:. 5334:^ 5279:. 5268:. 5155:, 5079:: 4956:. 4894:. 4707:. 4526:. 4192:. 4111:. 3928:. 3577:A 3173:. 3004:. 2729:. 2525:. 2518:. 2373:A 2370:. 1907:. 1599:, 1512:.( 1498:σ( 1481:. 1459:σ( 1454:. 1447:, 1379:, 1353:. 891:. 856:, 807:→ 793:, 779:, 775:, 701:→ 682:, 670:, 666:, 591:→ 572:, 560:, 556:, 517:, 509:↦ 481:→ 463:∈ 452:, 444:↦ 412:→ 394:∈ 355:→ 351:× 280:, 276:, 118:, 106:, 77:. 45:, 6159:e 6152:t 6145:v 6067:) 5791:) 5787:/ 5783:( 5693:) 5675:e 5668:t 5661:v 5629:. 5610:. 5580:. 5546:. 5492:. 5465:. 5407:. 5265:X 5261:x 5255:Q 5251:q 5233:, 5230:) 5227:) 5224:x 5221:( 5218:f 5215:( 5212:q 5206:f 5203:: 5198:x 5195:, 5192:q 5188:p 5174:) 5172:Y 5170:, 5168:X 5166:( 5164:L 5157:x 5153:q 5149:p 5143:Y 5138:Q 5121:. 5116:Y 5108:) 5105:x 5102:( 5099:f 5090:f 5076:X 5072:x 5066:Y 5057:) 5055:Y 5053:, 5051:X 5049:( 5047:L 5033:) 5031:Y 5029:, 5027:X 5025:( 5023:L 5009:Y 5003:Y 4999:X 4995:f 4987:) 4985:Y 4983:, 4981:X 4979:( 4977:L 4971:Y 4966:X 4950:X 4946:X 4942:X 4937:X 4932:X 4928:X 4924:X 4920:X 4916:X 4908:X 4904:X 4887:L 4870:n 4865:R 4829:k 4812:k 4780:) 4777:x 4774:k 4771:( 4756:/ 4752:2 4747:= 4744:) 4741:x 4738:( 4733:k 4713:L 4694:C 4682:k 4669:L 4660:f 4655:L 4651:f 4629:d 4624:f 4605:n 4600:R 4583:d 4578:f 4573:k 4552:n 4547:R 4523:L 4516:k 4498:0 4486:d 4478:2 4473:| 4460:k 4451:| 4443:n 4438:R 4404:) 4399:n 4394:R 4389:( 4384:2 4380:L 4371:k 4355:) 4341:n 4336:R 4326:( 4324:L 4302:X 4282:X 4267:X 4263:X 4259:X 4239:X 4212:X 4201:X 4197:X 4186:X 4182:X 4174:X 4167:X 4163:F 4159:X 4139:X 4128:F 4124:F 4120:X 4116:F 4105:X 4101:X 4097:X 4077:X 4042:X 4031:X 4007:X 3988:X 3977:X 3969:H 3965:H 3953:X 3924:n 3895:w 3884:n 3865:X 3861:x 3843:) 3840:x 3837:( 3828:) 3825:x 3822:( 3817:n 3763:X 3754:n 3725:X 3719:x 3696:) 3693:x 3690:( 3681:) 3678:x 3675:( 3616:X 3556:C 3534:R 3507:X 3486:) 3483:x 3480:( 3474:= 3471:) 3465:( 3460:x 3456:T 3444:x 3442:T 3419:X 3412:) 3409:X 3406:( 3403:T 3400:: 3397:T 3371:X 3321:X 3314:X 3311:: 3308:T 3278:) 3275:x 3272:( 3266:= 3263:) 3257:( 3252:x 3248:T 3239:K 3226:X 3222:: 3217:x 3213:T 3206:{ 3198:x 3178:X 3133:X 3105:. 3101:| 3097:) 3094:x 3091:( 3084:| 3078:1 3069:x 3058:= 3020:X 3009:X 2998:X 2994:X 2972:. 2969:x 2961:n 2957:x 2930:x 2924:w 2913:n 2909:x 2879:X 2860:n 2842:) 2839:x 2836:( 2827:) 2822:n 2818:x 2814:( 2798:x 2780:n 2776:x 2765:X 2745:n 2741:x 2711:X 2683:C 2661:R 2640:) 2637:x 2634:( 2611:) 2602:x 2598:( 2585:X 2581:x 2577:X 2563:) 2554:x 2550:( 2506:) 2503:U 2500:( 2495:1 2477:X 2462:K 2451:U 2431:X 2404:) 2401:U 2398:( 2393:1 2348:X 2317:X 2302:X 2284:. 2278:X 2274:x 2259:K 2246:X 2242:: 2233:, 2230:x 2201:X 2171:X 2167:, 2164:X 2132:X 2104:X 2085:. 2067:X 2042:x 2020:K 2013:X 2010:: 2000:x 1996:, 1987:= 1980:x 1969:X 1946:X 1942:, 1939:X 1923:X 1918:X 1891:x 1887:= 1884:) 1878:( 1871:x 1867:= 1857:x 1853:, 1821:X 1810:x 1789:X 1783:x 1763:) 1760:x 1757:( 1750:x 1746:= 1736:x 1732:, 1729:x 1700:, 1666:K 1655:X 1631:X 1617:X 1593:X 1567:K 1556:X 1541:K 1526:X 1510:Y 1506:) 1504:Y 1502:, 1500:X 1494:X 1490:X 1486:Y 1479:Y 1475:X 1467:) 1465:Y 1463:, 1461:X 1449:Y 1445:X 1438:Y 1434:X 1426:) 1424:X 1422:, 1420:Y 1414:) 1412:Y 1410:, 1408:X 1401:Y 1394:X 1386:. 1381:Y 1377:X 1370:X 1362:Y 1341:) 1335:( 1328:x 1324:= 1314:x 1310:, 1280:x 1252:x 1248:, 1222:Y 1212:x 1191:X 1185:x 1165:) 1162:x 1159:( 1152:x 1148:= 1138:x 1134:, 1131:x 1098:, 1068:) 1065:Y 1062:, 1059:X 1056:( 1036:) 1027:, 1018:, 1015:Y 1012:, 1009:X 1006:( 993:X 989:X 981:Y 970:. 957:C 932:R 907:K 884:X 880:x 874:Y 870:y 860:) 858:y 854:x 852:( 850:b 845:x 843:( 840:y 836:p 816:R 805:X 800:y 796:p 787:X 783:) 781:b 777:Y 773:X 765:⋅ 745:K 732:. 730:X 726:x 710:K 699:Y 695:x 693:( 691:b 686:) 684:X 680:Y 674:) 672:b 668:X 664:Y 658:Y 654:b 650:X 645:Y 628:Y 622:. 620:Y 616:y 600:K 589:X 585:y 581:b 576:) 574:Y 570:X 564:) 562:b 558:Y 554:X 548:X 544:b 540:Y 535:X 523:. 521:) 519:y 515:x 513:( 511:b 507:x 490:K 479:X 475:y 471:b 465:Y 461:y 456:) 454:y 450:x 448:( 446:b 442:y 437:Y 421:K 410:Y 406:x 404:( 402:b 396:X 392:x 364:K 353:Y 349:X 345:b 329:K 318:Y 314:X 299:K 284:) 282:b 278:Y 274:X 272:( 223:K 185:K 38:. 20:)

Index

Weak topology (polar topology)
initial topology
coherent topology
mathematics
initial topologies
topological vector spaces
linear operators
Hilbert space
normed vector space
continuous dual
functional analysis
closed
compact
weakly continuous
continuous
differentiable
analytic
David Hilbert
Marcel Riesz
functional analysis
Banach
weak-* convergence
Topologies on spaces of linear maps
topological field
field
topology
continuous
complex numbers
real numbers
Dual system § Weak topology

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