Knowledge (XXG)

Partially ordered group

Source ๐Ÿ“

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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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is again a partially ordered group: all operations are performed componentwise. Furthermore, every
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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
355: 534: 1425: 1429: 1268: 495:. The partially ordered groups, together with this notion of morphism, form a 1206: 1175: 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. 1374: 542: 520: 1151: 546:, where the group operation is componentwise addition, and we write ( 1365: 1348: 1301: 1167: 201:
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.
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is a partially ordered group: it inherits the order from
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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: 931: 903: 877: 851: 825: 799: 766: 734: 698: 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 956: 944: 925: 924: 916: 890: 864: 838: 812: 785: 779: 747: 715: 691: 599:(in the usual order of integers) for all 1424:This article incorporates material from 1127: 1144:Lattice Ordered Groups: an Introduction 1112: 1110: 1106: 1116: 16:Group with a compatible partial order 7: 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 โ‰ค 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 966: 933: 905: 904:{\displaystyle b\in G} 879: 853: 827: 801: 768: 736: 700: 523:with their usual order 360:linearly ordered group 189:For the general group 129:is often denoted with 21:Linearly ordered group 1026:lattice-ordered group 967: 934: 906: 880: 859:. Equivalently, when 854: 828: 802: 769: 737: 701: 368:lattice-ordered group 48:translation-invariant 42:, +) equipped with a 1253:Right-ordered groups 1246:Fully Ordered Groups 1082:Ordered vector space 989:if for all elements 943: 915: 889: 863: 837: 811: 778: 746: 714: 690: 528:ordered vector space 438:, then there exists 151:if and only if 0 โ‰ค - 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. 962: 929: 901: 875: 849: 823: 797: 764: 732: 696: 493:monotonic function 489:group homomorphism 1278:978-90-481-4474-7 1032:group is already 987:integrally closed 977:Integrally closed 699:{\displaystyle G} 668:. (Elliott, 1976) 135:positive cone of 1468: 1420: 1402: 1378: 1368: 1337: 1315: 1287:Orderable groups 1282: 1241: 1220: 1179: 1130: 1125: 1119: 1114: 1073: 1009:for all natural 971: 969: 968: 963: 961: 960: 938: 936: 935: 930: 928: 911:, there is some 910: 908: 907: 902: 884: 882: 881: 876: 858: 856: 855: 850: 832: 830: 829: 824: 806: 804: 803: 798: 790: 789: 773: 771: 770: 765: 741: 739: 738: 733: 705: 703: 702: 697: 487:if it is both a 420:are elements of 186: 168: 28:abstract algebra 1476: 1475: 1471: 1470: 1469: 1467: 1466: 1465: 1441: 1440: 1405: 1387: 1384: 1366:10.2307/1990202 1346: 1344: 1342:Further reading 1319: 1312: 1302:10.1007/b139095 1292: 1279: 1258: 1238: 1223: 1217: 1196: 1168:10.2307/1968871 1149: 1139: 1134: 1133: 1128:Birkhoff (1942) 1126: 1122: 1115: 1108: 1103: 1071: 1046: 1024:, though for a 979: 952: 941: 940: 913: 912: 887: 886: 885:, then for any 861: 860: 835: 834: 809: 808: 781: 776: 775: 744: 743: 712: 711: 688: 687: 680: 675: 658: 598: 589: 577: 568: 561: 552: 516: 462: 451: 436: 429: 419: 412: 405: 398: 172: 160: 24: 17: 12: 11: 5: 1474: 1472: 1464: 1463: 1458: 1456:Ordered groups 1453: 1443: 1442: 1439: 1438: 1421: 1403: 1383: 1382:External links 1380: 1359:(2): 208โ€“216. 1343: 1340: 1339: 1338: 1317: 1310: 1290: 1283: 1277: 1256: 1249: 1242: 1236: 1221: 1215: 1194: 1187: 1182:M. R. Darnel, 1180: 1147: 1138: 1135: 1132: 1131: 1120: 1105: 1104: 1102: 1099: 1098: 1097: 1091: 1085: 1079: 1074: 1065: 1059: 1053: 1045: 1042: 978: 975: 974: 973: 959: 955: 951: 948: 927: 923: 920: 900: 897: 894: 874: 871: 868: 848: 845: 842: 822: 819: 816: 796: 793: 788: 784: 763: 760: 757: 754: 751: 731: 728: 725: 722: 719: 695: 679: 676: 674: 671: 670: 669: 656: 639: 608: 594: 585: 580:if and only if 573: 566: 557: 550: 538: 531: 524: 515: 512: 460: 449: 434: 427: 417: 410: 403: 396: 319:is said to be 309: 308: 285: 251: 221: 170:if and only if 15: 13: 10: 9: 6: 4: 3: 2: 1473: 1462: 1459: 1457: 1454: 1452: 1449: 1448: 1446: 1437: 1435: 1431: 1427: 1422: 1419: 1415: 1414: 1409: 1404: 1401: 1397: 1396: 1391: 1386: 1385: 1381: 1379: 1376: 1372: 1367: 1362: 1358: 1354: 1350: 1341: 1335: 1331: 1327: 1323: 1318: 1313: 1311:1-85233-905-5 1307: 1303: 1299: 1295: 1291: 1288: 1284: 1280: 1274: 1270: 1266: 1262: 1257: 1254: 1250: 1247: 1243: 1239: 1233: 1229: 1228: 1222: 1218: 1216:9780521241908 1212: 1208: 1204: 1200: 1195: 1192: 1188: 1185: 1181: 1177: 1173: 1169: 1165: 1161: 1157: 1153: 1148: 1145: 1141: 1140: 1136: 1129: 1124: 1121: 1118: 1113: 1111: 1107: 1100: 1095: 1092: 1089: 1086: 1083: 1080: 1078: 1075: 1069: 1066: 1063: 1062:Ordered field 1060: 1057: 1054: 1051: 1048: 1047: 1043: 1041: 1039: 1035: 1031: 1027: 1023: 1018: 1016: 1012: 1008: 1004: 1000: 996: 992: 988: 984: 976: 957: 953: 949: 946: 921: 918: 898: 895: 892: 872: 869: 866: 846: 843: 840: 820: 817: 814: 794: 791: 786: 782: 761: 758: 755: 752: 749: 729: 726: 723: 720: 717: 710:when for any 709: 693: 685: 684: 683: 677: 672: 667: 666:abelian group 663: 659: 652: 648: 644: 640: 637: 633: 629: 625: 621: 617: 613: 609: 606: 602: 597: 593: 588: 584: 581: 576: 572: 565: 560: 556: 549: 545: 544: 539: 536: 532: 529: 525: 522: 518: 517: 513: 511: 509: 505: 500: 498: 494: 490: 486: 482: 478: 474: 470: 465: 463: 456: 452: 445: 441: 437: 430: 423: 416: 409: 402: 395: 391: 387: 385: 379: 378:l: โ„“-group). 377: 373: 369: 365: 364:lattice order 361: 357: 352: 350: 346: 342: 338: 334: 330: 326: 322: 318: 314: 306: 302: 298: 294: 290: 286: 284: 280: 276: 272: 268: 264: 260: 256: 252: 250: 246: 242: 238: 234: 230: 226: 222: 220: 216: 215: 214: 212: 208: 204: 200: 196: 192: 187: 184: 180: 176: 171: 167: 163: 158: 154: 150: 146: 141: 139: 138: 132: 128: 124: 120: 116: 112: 107: 105: 101: 97: 93: 89: 85: 81: 77: 73: 69: 65: 61: 57: 53: 49: 45: 44:partial order 41: 37: 33: 29: 22: 1461:Order theory 1423: 1411: 1393: 1356: 1352: 1345: 1325: 1321: 1293: 1286: 1260: 1252: 1245: 1226: 1198: 1190: 1183: 1159: 1155: 1143: 1123: 1117:Glass (1999) 1068:Ordered ring 1019: 1014: 1010: 1006: 1002: 998: 994: 990: 986: 982: 980: 707: 681: 661: 650: 642: 635: 631: 623: 619: 615: 611: 604: 600: 595: 591: 586: 582: 574: 570: 563: 558: 554: 547: 541: 501: 484: 480: 476: 472: 468: 466: 458: 454: 447: 443: 439: 432: 425: 421: 414: 407: 400: 393: 389: 382: 380: 371: 367: 356:linear order 353: 348: 344: 340: 336: 332: 328: 324: 321:unperforated 320: 316: 312: 310: 304: 300: 296: 292: 288: 282: 278: 274: 270: 266: 262: 258: 254: 248: 244: 240: 236: 232: 228: 224: 218: 210: 206: 202: 198: 194: 190: 188: 182: 178: 174: 165: 161: 156: 152: 148: 144: 142: 136: 134: 130: 126: 122: 118: 114: 110: 108: 103: 99: 95: 91: 87: 83: 79: 75: 71: 67: 63: 59: 55: 51: 47: 46:"โ‰ค" that is 39: 31: 25: 1022:Archimedean 708:Archimedean 678:Archimedean 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 706:is called 673:Properties 504:valuations 446:such that 205:(which is 197:. A group 117:is called 1418:EMS Press 1400:EMS Press 1328:: 29โ€“44. 1176:0003-486X 922:∈ 896:∈ 870:≠ 818:≥ 792:≤ 759:≤ 753:≤ 727:∈ 603:= 1,..., 370:(shortly 277:for each 1044:See also 1038:complete 1030:directed 807:for all 628:subgroup 521:integers 514:Examples 497:category 339:implies 119:positive 1375:1990202 1034:abelian 372:l-group 121:if 0 โ‰ค 1373:  1308:  1275:  1234:  1213:  1174:  645:is an 508:fields 491:and a 376:script 261:then - 58:, and 1371:JSTOR 1017:โ‰ค 1. 1013:then 1001:, if 833:then 742:, if 569:,..., 562:) โ‰ค ( 553:,..., 483:is a 392:: if 386:group 384:Riesz 303:then 295:and - 239:then 209:) of 74:then 66:, if 36:group 34:is a 1306:ISBN 1273:ISBN 1232:ISBN 1211:ISBN 1172:ISSN 1101:Note 993:and 950:< 774:and 519:The 471:and 424:and 231:and 217:0 โˆˆ 90:and 30:, a 1428:on 1361:doi 1330:doi 1298:doi 1265:doi 1203:doi 1164:doi 997:of 641:If 630:of 622:to 526:An 506:of 479:to 467:If 323:if 307:= 0 287:if 281:of 253:if 223:if 113:of 62:in 26:In 1447:: 1416:, 1410:, 1398:, 1392:, 1369:. 1357:57 1355:. 1351:. 1326:38 1324:. 1304:. 1271:. 1263:. 1230:. 1209:. 1201:. 1170:. 1160:43 1158:. 1154:. 1109:^ 1005:โ‰ค 590:โ‰ค 578:) 533:A 510:. 499:. 464:. 457:โ‰ค 453:โ‰ค 442:โˆˆ 431:โ‰ค 413:, 406:, 399:, 381:A 351:. 343:โˆˆ 331:โˆˆ 327:ยท 299:โˆˆ 291:โˆˆ 273:โˆˆ 269:+ 265:+ 257:โˆˆ 247:โˆˆ 243:+ 235:โˆˆ 227:โˆˆ 181:โˆˆ 177:+ 164:โ‰ค 155:+ 147:โ‰ค 140:. 106:. 98:โ‰ค 86:+ 82:โ‰ค 78:+ 70:โ‰ค 54:, 1436:. 1377:. 1363:: 1336:. 1332:: 1314:. 1300:: 1281:. 1267:: 1240:. 1219:. 1205:: 1178:. 1166:: 1015:a 1011:n 1007:b 1003:a 999:G 995:b 991:a 983:G 972:. 958:n 954:a 947:b 926:Z 919:n 899:G 893:b 873:e 867:a 847:e 844:= 841:a 821:1 815:n 795:b 787:n 783:a 762:b 756:a 750:e 730:G 724:b 721:, 718:a 694:G 662:A 660:( 657:0 655:K 651:A 643:A 638:. 636:G 632:G 624:G 620:X 616:X 612:G 607:. 605:n 601:i 596:i 592:b 587:i 583:a 575:n 571:b 567:1 564:b 559:n 555:a 551:1 548:a 543:Z 481:H 477:G 473:H 469:G 461:j 459:y 455:z 450:i 448:x 444:G 440:z 435:j 433:y 428:i 426:x 422:G 418:2 415:y 411:1 408:y 404:2 401:x 397:1 394:x 349:G 345:G 341:g 337:n 333:G 329:g 325:n 317:G 313:G 305:a 301:H 297:a 293:H 289:a 283:G 279:x 275:H 271:x 267:a 263:x 259:H 255:a 249:H 245:b 241:a 237:H 233:b 229:H 225:a 219:H 211:G 207:G 203:H 199:G 195:G 191:G 185:. 183:G 179:b 175:a 173:- 166:b 162:a 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:.

Index

Linearly ordered group
abstract algebra
group
partial order
if and only if
linear order
linearly ordered group
lattice order
script
Riesz
group homomorphism
monotonic function
category
valuations
fields
integers
ordered vector space
Riesz space
Z
if and only if
subgroup
approximately finite-dimensional C*-algebra
K0
abelian group
Archimedean
lattice-ordered group
directed
abelian
complete
Cyclically ordered group

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