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Stable group

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200:'s trichotomy conjecture. Cherlin posed the question for all ω-stable simple groups, but remarked that even the case of groups of finite Morley rank seemed hard. 267:) showed that an infinite group of finite Morley rank is either an algebraic group over an algebraically closed field of characteristic 2, or has finite 2-rank. 467: 17: 358:, NATO ASI Series C: Mathematical and Physical Sciences, vol. 517, Dordrecht: Kluwer Academic Publishers, pp. 341–366 334: 113:
objects. The striking similarities between groups of finite Morley rank and finite groups are an object of active research.
514:, Mathematical Surveys and Monographs, vol. 87, Providence, RI: American Mathematical Society, pp. xiv+129, 605: 527: 380: 131: 109:; therefore groups of finite Morley rank are stable groups. Groups of finite Morley rank behave in certain ways like 493: 660: 670: 503: 316: 498: 465:(2010), "Review of "Simple groups of finite Morley rank" by T. Altinel, A. V. Borovik and G. Cherlin", 193: 127: 110: 618: 39: 244:
Cherlin proved that a simple group of Morley rank 3 is either a bad group or isomorphic to PSL
665: 219:
connected groups of finite Morley rank all of whose proper connected definable subgroups are
35: 619:"Группы и кольца, теория которых категорична (Groups and rings whose theory is categorical)" 644: 585: 537: 425: 390: 344: 304: 208: 8: 79: 54: 589: 398: 575: 429: 369: 149: 601: 523: 462: 454: 376: 351: 330: 204: 630: 554: 515: 476: 449: 433: 417: 413: 320: 290: 152: 123: 559: 481: 640: 533: 421: 386: 340: 300: 220: 189: 354:(1998), "Tame groups of odd and even type", in Carter, R. W.; Saxl, J. (eds.), 102: 31: 263:
Tuna Altinel, Alexandre V. Borovik, and Gregory Cherlin (
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A number of special cases of this conjecture have been proved; for example:
614: 489: 295: 278: 197: 117: 46: 156: 94: 375:, Oxford Logic Guides, vol. 26, New York: Oxford University Press, 315:, Mathematical Surveys and Monographs, vol. 145, Providence, R.I.: 106: 519: 325: 281:; Borovik, Alexandre; Cherlin, Gregory (1997), "Groups of mixed type", 145: 580: 567: 364: 227:
if it has no definable subgroups of finite index other than itself.)
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Altinel, Tuna; Borovik, Alexandre V.; Cherlin, Gregory (2008),
207:’s program of transferring methods used in classification of 155:, are stable. Free groups on more than one generator are not 241:
Cherlin proved that a connected rank 2 group is solvable.
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Scanlon, Thomas (2002), "Review of "Stable groups"",
310: 264: 440:Cherlin, G. (1979), "Groups of small Morley rank", 399:"The Bender method in groups of finite Morley rank" 368: 61:. An important class of examples is provided by 652: 572:Diophantine Geometry over Groups VIII: Stability 163: 203:Progress towards this conjecture has followed 30:For stable groups in finite group theory, see 468:Bulletin of the American Mathematical Society 211:. One possible source of counterexamples is 34:. For stable groups in homotopy theory, see 613: 541:(Translated from the 1987 French original.) 196:. The conjecture would have followed from 181: 356:Algebraic Groups and their Representations 101:. It follows from the definition that the 634: 579: 558: 480: 453: 324: 294: 234:Any connected group of Morley rank 1 is 130:have finite Morley rank, equal to their 120:have finite Morley rank, in fact rank 0. 439: 177: 14: 653: 252:) for some algebraically closed field 566: 184:, suggests that infinite (ω-stable) 141: 105:of a group of finite Morley rank is 313:Simple groups of finite Morley rank 24: 25: 682: 57:that is stable in the sense of 600:, Cambridge University Press, 418:10.1016/j.jalgebra.2005.10.009 13: 1: 560:10.1090/S0273-0979-02-00953-9 494:"Group of finite Morley rank" 482:10.1090/S0273-0979-10-01287-5 317:American Mathematical Society 271: 164:The Cherlin–Zilber conjecture 455:10.1016/0003-4843(79)90019-6 371:Groups of Finite Morley Rank 63:groups of finite Morley rank 7: 596:Wagner, Frank Olaf (1997), 499:Encyclopedia of Mathematics 194:algebraically closed fields 128:algebraically closed fields 76:group of finite Morley rank 68: 10: 687: 29: 397:Burdges, Jeffrey (2007), 170:Cherlin–Zilber conjecture 18:Cherlin–Zilber conjecture 636:10.4064/fm-95-3-173-188 174:algebraicity conjecture 27:Concept in model theory 547:Bull. Amer. Math. Soc. 510:Poizat, Bruno (2001), 296:10.1006/jabr.1996.6950 85:such that the formula 40:direct limit of groups 661:Infinite group theory 223:. (A group is called 148:, and more generally 36:stable homotopy group 671:Properties of groups 209:finite simple groups 590:2006math......9096S 463:Macpherson, Dugald 176:), due to Gregory 111:finite-dimensional 336:978-0-8218-4305-5 172:(also called the 153:hyperbolic groups 16:(Redirected from 678: 647: 638: 610: 592: 583: 563: 562: 540: 520:10.1090/surv/087 506: 485: 484: 458: 457: 442:Ann. Math. Logic 436: 403: 393: 374: 363:Borovik, A. V.; 359: 347: 328: 326:10.1090/surv/145 307: 298: 190:algebraic groups 124:Algebraic groups 59:stability theory 21: 686: 685: 681: 680: 679: 677: 676: 675: 651: 650: 608: 595: 544: 530: 509: 488: 461: 401: 396: 383: 362: 350: 337: 277: 274: 247: 166: 78:is an abstract 71: 43: 28: 23: 22: 15: 12: 11: 5: 684: 674: 673: 668: 663: 649: 648: 615:Zil'ber, B. I. 611: 606: 593: 564: 553:(4): 573–579, 542: 528: 507: 486: 475:(4): 729–734, 459: 437: 394: 381: 360: 352:Borovik, A. V. 348: 335: 308: 289:(2): 524–571, 273: 270: 269: 268: 261: 245: 242: 239: 182:Zil'ber (1977) 178:Cherlin (1979) 165: 162: 161: 160: 139: 136:algebraic sets 121: 114: 97:for the model 70: 67: 32:p-stable group 26: 9: 6: 4: 3: 2: 683: 672: 669: 667: 664: 662: 659: 658: 656: 646: 642: 637: 632: 628: 624: 623:Fundam. Math. 620: 616: 612: 609: 607:0-521-59839-7 603: 599: 598:Stable groups 594: 591: 587: 582: 577: 573: 569: 565: 561: 556: 552: 548: 543: 539: 535: 531: 529:0-8218-2685-9 525: 521: 517: 513: 512:Stable groups 508: 505: 501: 500: 495: 491: 490:Pillay, Anand 487: 483: 478: 474: 470: 469: 464: 460: 456: 451: 448:(1–2): 1–28, 447: 443: 438: 435: 431: 427: 423: 419: 415: 411: 407: 400: 395: 392: 388: 384: 382:0-19-853445-0 378: 373: 372: 366: 361: 357: 353: 349: 346: 342: 338: 332: 327: 322: 318: 314: 309: 306: 302: 297: 292: 288: 284: 280: 279:Altinel, Tuna 276: 275: 266: 262: 259: 255: 251: 243: 240: 237: 233: 232: 231: 228: 226: 222: 218: 214: 210: 206: 201: 199: 195: 191: 187: 186:simple groups 183: 179: 175: 171: 158: 154: 151: 147: 143: 140: 137: 133: 129: 125: 122: 119: 118:finite groups 115: 112: 108: 104: 100: 96: 92: 89: =  88: 84: 81: 77: 73: 72: 66: 65:(see below). 64: 60: 56: 52: 48: 41: 37: 33: 19: 666:Model theory 626: 622: 597: 581:math/0609096 571: 550: 546: 511: 497: 472: 466: 445: 441: 412:(1): 33–55, 409: 405: 370: 355: 312: 286: 282: 257: 253: 249: 229: 224: 212: 202: 173: 169: 167: 150:torsion-free 144:showed that 98: 90: 86: 82: 75: 62: 51:stable group 50: 47:model theory 44: 629:: 173–188, 260:interprets. 188:are simple 157:superstable 146:free groups 142:Sela (2006) 95:Morley rank 93:has finite 655:Categories 568:Sela, Zlil 406:J. Algebra 365:Nesin, Ali 283:J. Algebra 272:References 217:nonsoluble 213:bad groups 180:and Boris 504:EMS Press 492:(2001) , 225:connected 221:nilpotent 132:dimension 617:(1977), 570:(2006), 367:(1994), 107:ω-stable 69:Examples 645:0441720 586:Bibcode 538:1827833 434:9031997 426:2320445 391:1321141 345:2400564 305:1452677 236:abelian 205:Borovik 643:  604:  536:  526:  432:  424:  389:  379:  343:  333:  303:  198:Zilber 103:theory 576:arXiv 430:S2CID 402:(PDF) 256:that 192:over 126:over 80:group 55:group 53:is a 602:ISBN 524:ISBN 377:ISBN 331:ISBN 265:2008 168:The 116:All 49:, a 38:and 631:doi 555:doi 516:doi 477:doi 450:doi 414:doi 410:312 321:doi 291:doi 287:192 134:as 45:In 657:: 641:MR 639:, 627:95 625:, 621:, 584:, 574:, 551:39 549:, 534:MR 532:, 522:, 502:, 496:, 473:47 471:, 446:17 444:, 428:, 422:MR 420:, 408:, 404:, 387:MR 385:, 341:MR 339:, 329:, 319:, 301:MR 299:, 285:, 215:: 74:A 633:: 588:: 578:: 557:: 518:: 479:: 452:: 416:: 323:: 293:: 258:G 254:K 250:K 248:( 246:2 238:. 159:. 138:. 99:G 91:x 87:x 83:G 42:. 20:)

Index

Cherlin–Zilber conjecture
p-stable group
stable homotopy group
direct limit of groups
model theory
group
stability theory
group
Morley rank
theory
ω-stable
finite-dimensional
finite groups
Algebraic groups
algebraically closed fields
dimension
algebraic sets
Sela (2006)
free groups
torsion-free
hyperbolic groups
superstable
Cherlin (1979)
Zil'ber (1977)
simple groups
algebraic groups
algebraically closed fields
Zilber
Borovik
finite simple groups

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