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James Earl Baumgartner

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31: 426:, uncountable order types, disjoint refinements, almost disjoint families, cardinal arithmetics, filters, ideals, and partition relations, iterated forcing and Axiom A, proper forcing and the proper forcing axiom, 350: 383: 295: 409: 288: 261: 234: 645: 462:, Infinite and Finite Sets, Keszthely (Hungary) 1973, volume 10 of Colloquia Mathematica Societatis János Bolyai, pages 109–130. North-Holland, 1975 625: 620: 480:, Robert E. Butts and Jaakko Hintikka, editors, Logic, Foundations of Mathematics and Computability Theory, pages 87–106. Reidel, 1977 540: 580: 660: 665: 650: 191: 187: 91: 304: 640: 568: 355: 630: 388: 266: 239: 212: 430:, a thin very-tall superatomic Boolean algebra, closed unbounded sets, and partition relations. 635: 439: 412: 72: 655: 615: 130: 8: 419: 544: 299: 172: 203: 118: 125: 291: 584: 183: 140: 54: 466: 427: 144: 209:
One of Baumgartner's results is the consistency of the statement that any two
609: 423: 199: 164: 564: 498: 484: 108: 194:, from which he received his PhD in 1970 from for a dissertation titled 490: 168: 148: 30: 597: 176: 598:
Jean A. Larson: In memoriam: James Earl Baumgartner (1943-2011)
236:-dense sets of reals are order isomorphic (a set of reals is 418:
The mathematical context in which Baumgartner worked spans
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Results and Independence Proofs in Combinatorial Set Theory
391: 358: 307: 269: 242: 215: 163:(March 23, 1943 – December 28, 2011) was an American 411:. He died in 2011 of a heart attack at his home in 403: 377: 344: 282: 255: 228: 473:, Journal of Symbolic Logic, 41(2):481–482, 1976 607: 494:, Annals of Mathematical Logic 15, 289–313, 1978 345:{\displaystyle \omega _{1}\to (\alpha )_{n}^{2}} 508:Baumgartner, James E.; ErdĹ‘s, Paul; Higgs, D., 455:, Annals of Mathematical Logic, 9:187–222, 1976 510:Cross-cuts in the power set of an infinite set 206:in 1969, and spent his entire career there. 519:(Contemporary Mathematics, Volume 31), 1990 535: 533: 646:University of California, Berkeley alumni 445: 530: 503:Colorful partitions of cardinal numbers 478:Ineffability properties of cardinals II 186:, began his undergraduate study at the 608: 460:Ineffability properties of cardinals I 378:{\displaystyle \alpha <\omega _{1}} 290:points in every open interval). With 626:21st-century American mathematicians 621:20th-century American mathematicians 13: 271: 244: 217: 192:University of California, Berkeley 188:California Institute of Technology 92:University of California, Berkeley 14: 677: 543:. Rand-wilson.com. Archived from 505:, Can. J. Math. 31, 524–541, 1979 190:in 1960, then transferred to the 515:Baumgartner, James E. (Editor), 489:Generalized ErdĹ‘s cardinals and 29: 541:"James E. Baumgartner Obituary" 591: 573: 558: 328: 321: 318: 1: 569:Mathematics Genealogy Project 523: 471:Adding a closed unbounded set 16:American logician (1943–2011) 501:; Galvin, Fred; Larson, J., 404:{\displaystyle n<\omega } 7: 661:People from Wichita, Kansas 433: 283:{\displaystyle \aleph _{1}} 256:{\displaystyle \aleph _{1}} 229:{\displaystyle \aleph _{1}} 202:. He became a professor at 10: 682: 666:Mathematicians from Kansas 453:A new class of order types 428:chromatic number of graphs 296:Baumgartner–Hajnal theorem 651:Dartmouth College faculty 263:-dense if it has exactly 154: 136: 124: 114: 104: 97: 87: 79: 61: 40: 35:James Baumgartner in 1975 28: 21: 512:, Order 1, 139–145, 1984 483:Baumgartner, James E.; 298:, which states that the 182:Baumgartner was born in 497:Baumgartner, James E.; 476:Baumgartner, James E., 465:Baumgartner, James E.; 458:Baumgartner, James E., 451:Baumgartner, James E., 641:Mathematical logicians 581:"Valley News obituary" 565:James Earl Baumgartner 413:Hanover, New Hampshire 405: 379: 346: 284: 257: 230: 161:James Earl Baumgartner 73:Hanover, New Hampshire 23:James Earl Baumgartner 469:; Kleinberg, Eugene, 446:Selected publications 406: 380: 347: 285: 258: 231: 175:and foundations, and 517:Axiomatic Set Theory 389: 356: 305: 267: 240: 213: 131:Robert Lawson Vaught 440:Baumgartner's axiom 341: 631:American logicians 401: 375: 342: 327: 300:partition relation 280: 253: 226: 198:. His advisor was 173:mathematical logic 204:Dartmouth College 158: 157: 137:Doctoral students 119:Dartmouth College 99:Scientific career 65:December 28, 2011 673: 600: 595: 589: 588: 583:. Archived from 577: 571: 562: 556: 555: 553: 552: 537: 420:Suslin's problem 410: 408: 407: 402: 384: 382: 381: 376: 374: 373: 351: 349: 348: 343: 340: 335: 317: 316: 289: 287: 286: 281: 279: 278: 262: 260: 259: 254: 252: 251: 235: 233: 232: 227: 225: 224: 126:Doctoral advisor 68: 50: 48: 33: 19: 18: 681: 680: 676: 675: 674: 672: 671: 670: 606: 605: 604: 603: 596: 592: 579: 578: 574: 563: 559: 550: 548: 539: 538: 531: 526: 467:Harrington, Leo 448: 436: 390: 387: 386: 369: 365: 357: 354: 353: 336: 331: 312: 308: 306: 303: 302: 294:he proved the 274: 270: 268: 265: 264: 247: 243: 241: 238: 237: 220: 216: 214: 211: 210: 184:Wichita, Kansas 147: 143: 88:Alma mater 75: 70: 66: 57: 55:Wichita, Kansas 52: 46: 44: 36: 24: 17: 12: 11: 5: 679: 669: 668: 663: 658: 653: 648: 643: 638: 633: 628: 623: 618: 602: 601: 590: 587:on 2012-01-27. 572: 557: 528: 527: 525: 522: 521: 520: 513: 506: 495: 481: 474: 463: 456: 447: 444: 443: 442: 435: 432: 400: 397: 394: 372: 368: 364: 361: 339: 334: 330: 326: 323: 320: 315: 311: 277: 273: 250: 246: 223: 219: 167:who worked in 156: 155: 152: 151: 145:Alan D. Taylor 138: 134: 133: 128: 122: 121: 116: 112: 111: 106: 102: 101: 95: 94: 89: 85: 84: 81: 77: 76: 71: 69:(aged 68) 63: 59: 58: 53: 51:March 23, 1943 42: 38: 37: 34: 26: 25: 22: 15: 9: 6: 4: 3: 2: 678: 667: 664: 662: 659: 657: 654: 652: 649: 647: 644: 642: 639: 637: 636:Set theorists 634: 632: 629: 627: 624: 622: 619: 617: 614: 613: 611: 599: 594: 586: 582: 576: 570: 566: 561: 547:on 2019-12-05 546: 542: 536: 534: 529: 518: 514: 511: 507: 504: 500: 496: 493: 492: 486: 482: 479: 475: 472: 468: 464: 461: 457: 454: 450: 449: 441: 438: 437: 431: 429: 425: 424:Ramsey theory 421: 416: 414: 398: 395: 392: 370: 366: 362: 359: 337: 332: 324: 313: 309: 301: 297: 293: 292:András Hajnal 275: 248: 221: 207: 205: 201: 200:Robert Vaught 197: 193: 189: 185: 180: 178: 174: 170: 166: 165:mathematician 162: 153: 150: 149:Stanley Wagon 146: 142: 139: 135: 132: 129: 127: 123: 120: 117: 113: 110: 107: 103: 100: 96: 93: 90: 86: 82: 78: 74: 64: 60: 56: 43: 39: 32: 27: 20: 593: 585:the original 575: 560: 549:. Retrieved 545:the original 516: 509: 502: 488: 485:Galvin, Fred 477: 470: 459: 452: 417: 208: 195: 181: 160: 159: 115:Institutions 98: 67:(2011-12-28) 656:2011 deaths 616:1943 births 499:ErdĹ‘s, Paul 141:Jean Larson 109:Mathematics 80:Nationality 610:Categories 551:2012-01-06 524:References 352:holds for 169:set theory 47:1943-03-23 399:ω 367:ω 360:α 325:α 319:→ 310:ω 272:ℵ 245:ℵ 218:ℵ 434:See also 177:topology 83:American 567:at the 105:Fields 396:< 385:and 363:< 62:Died 41:Born 612:: 532:^ 487:, 422:, 415:. 179:. 171:, 554:. 491:0 393:n 371:1 338:2 333:n 329:) 322:( 314:1 276:1 249:1 222:1 49:) 45:(

Index


Wichita, Kansas
Hanover, New Hampshire
University of California, Berkeley
Mathematics
Dartmouth College
Doctoral advisor
Robert Lawson Vaught
Jean Larson
Alan D. Taylor
Stanley Wagon
mathematician
set theory
mathematical logic
topology
Wichita, Kansas
California Institute of Technology
University of California, Berkeley
Robert Vaught
Dartmouth College
András Hajnal
Baumgartner–Hajnal theorem
partition relation
Hanover, New Hampshire
Suslin's problem
Ramsey theory
chromatic number of graphs
Baumgartner's axiom
Harrington, Leo
Galvin, Fred

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