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is an unperforated partially ordered group with a property slightly weaker than being a lattice-ordered group. Namely, a Riesz group satisfies the
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Elliott, George A. (1976). "On the classification of inductive limits of sequences of semisimple finite-dimensional algebras".
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to be integrally closed and to be
Archimedean is equivalent. There is a theorem that every integrally closed
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The
Archimedean property of the real numbers can be generalized to partially ordered groups.
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This property is somewhat stronger than the fact that a partially ordered group is
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495:. The partially ordered groups, together with this notion of morphism, form a
1206:
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19:"Ordered group" redirects here. For groups with a total or linear order, see
1036:. This has to do with the fact that a directed group is embeddable into a
1186:, Lecture Notes in Pure and Applied Mathematics 187, Marcel Dekker, 1995.
627:
1289:, Lecture Notes in Pure and Applied Mathematics 27, Marcel Dekker, 1977.
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546:, where the group operation is componentwise addition, and we write (
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is a partially orderable group if and only if there exists a subset
1052: โ Group with a cyclic order respected by the group operation
347:. Being unperforated means there is no "gap" in the positive cone
1255:, Siberian School of Algebra and Logic, Consultants Bureau, 1996.
366:, i.e. any two elements have a least upper bound, then it is a
1040:
lattice-ordered group if and only if it is integrally closed.
159:. So we can reduce the partial order to a monadic property:
634:
is a partially ordered group: it inherits the order from
193:, the existence of a positive cone specifies an order on
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V. M. Kopytov and A. I. Kokorin (trans. by D. Louvish),
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Partially ordered groups are used in the definition of
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Pages displaying wikidata descriptions as a fallback
1064: โ Algebraic object with an ordered structure
964:
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903:
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540:A typical example of a partially ordered group is
1353:Transactions of the American Mathematical Society
1434:Creative Commons Attribution/Share-Alike License
618:is some set, then the set of all functions from
1248:, Halsted Press (John Wiley & Sons), 1974.
475:are two partially ordered groups, a map from
8:
1090: โ Ring with a compatible partial order
1096: โ Partially ordered topological space
653:is a stably finite unital C*-algebra, then
647:approximately finite-dimensional C*-algebra
1070: โ ring with a compatible total order
1364:
1294:Lattices and Ordered Algebraic Structures
1259:Kopytov, V. M.; Medvedev, N. Ya. (1994).
1084: โ Vector space with a partial order
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16:Group with a compatible partial order
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1261:The Theory of Lattice-Ordered Groups
1184:The Theory of Lattice-Ordered Groups
686:Property: A partially ordered group
485:morphism of partially ordered groups
1251:V. M. Kopytov and N. Ya. Medvedev,
1191:Partially Ordered Algebraic Systems
143:By translation invariance, we have
14:
1347:Everett, C. J.; Ulam, S. (1945).
932:{\displaystyle n\in \mathbb {Z} }
614:is a partially ordered group and
362:. If the order on the group is a
1077:Ordered topological vector space
374:, though usually typeset with a
354:If the order on the group is a
1432:, which is licensed under the
1:
1285:R. B. Mura and A. Rhemtulla,
767:{\displaystyle e\leq a\leq b}
1451:Ordered algebraic structures
1334:10.1016/0021-8693(76)90242-8
530:is a partially ordered group
390:Riesz interpolation property
1413:Encyclopedia of Mathematics
1395:Encyclopedia of Mathematics
800:{\displaystyle a^{n}\leq b}
1477:
1199:Ordered Permutation Groups
1150:Birkhoff, Garrett (1942).
981:A partially ordered group
965:{\displaystyle b<a^{n}}
537:is a lattice-ordered group
358:, then it is said to be a
335:for some positive integer
311:A partially ordered group
125:. The set of elements 0 โค
18:
1390:"Partially ordered group"
1269:10.1007/978-94-015-8304-6
1156:The Annals of Mathematics
1142:M. Anderson and T. Feil,
664:) is a partially ordered
1227:Partially Ordered Groups
1224:Glass, A. M. W. (1999).
1207:10.1017/CBO9780511721243
1197:Glass, A. M. W. (1982).
1152:"Lattice-Ordered Groups"
1050:Cyclically ordered group
735:{\displaystyle a,b\in G}
649:, or more generally, if
1426:partially ordered group
1408:"Lattice-ordered group"
1406:Kopytov, V.M. (2001) ,
1388:Kopytov, V.M. (2001) ,
1193:, Pergamon Press, 1963.
1094:Partially ordered space
878:{\displaystyle a\neq e}
826:{\displaystyle n\geq 1}
32:partially ordered group
1296:. Universitext. 2005.
1088:Partially ordered ring
1056:Linearly ordered group
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21:Linearly ordered group
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859:. Equivalently, when
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1082:Ordered vector space
989:if for all elements
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151:if and only if 0 โค -
133:, and is called the
1349:"On Ordered Groups"
852:{\displaystyle a=e}
610:More generally, if
315:with positive cone
1322:Journal of Algebra
1146:, D. Reidel, 1988.
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489:group homomorphism
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699:{\displaystyle G}
668:. (Elliott, 1976)
135:positive cone of
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535:Riesz space
213:such that:
109:An element
1445:Categories
1430:PlanetMath
1316:, chap. 9.
1237:981449609X
1189:L. Fuchs,
1162:(2): 313.
1137:References
985:is called
939:such that
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673:Properties
504:valuations
446:such that
205:(which is
197:. A group
117:is called
1418:EMS Press
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277:for each
1044:See also
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157:b
153:a
149:b
145:a
137:G
131:G
127:x
123:x
115:G
111:x
104:b
102:+
100:g
96:a
94:+
92:g
88:g
84:b
80:g
76:a
72:b
68:a
64:G
60:g
56:b
52:a
40:G
38:(
23:.
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