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Gelfond–Schneider theorem

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are allowed (here complex numbers are not regarded as rational when they have an imaginary part not equal to 0, even if both the real and imaginary parts are rational).
723: 1111: 1078: 1009: 179:. (This is the multivalued inverse of the exponential function exp.) This accounts for the phrase "any value of" in the theorem's statement. 224:
over the rationals, then they are linearly independent over the algebraic numbers. The generalisation of this statement to more general
1192: 934: 1137: 1043: 348:{\displaystyle {\left({\sqrt {2}}^{\sqrt {2}}\right)}^{\sqrt {2}}={\sqrt {2}}^{{\sqrt {2}}\cdot {\sqrt {2}}}={\sqrt {2}}^{2}=2.} 1187: 649: 1027: 922: 229: 630: 1001: 993: 225: 560: 945: 683: 1172: 436: 124: 30: 718: 79: 906:{\displaystyle i^{i}=\left(e^{\frac {i\pi }{2}}\right)^{i}=e^{-{\frac {\pi }{2}}}=0.207879576\ldots } 508: 172: 459: 948:; if proven it would imply both the Gelfond–Schneider theorem and the Lindemann–Weierstrass theorem 654: 221: 1095: 1070: 370:, which (as proven by the theorem itself) is transcendental rather than algebraic. Similarly, if 939: 1148: 1133: 1107: 1074: 1060: 1039: 1005: 440: 176: 46: 42: 1015: 70: 1088: 1053: 1084: 1049: 1035: 1019: 116: 1100: 150: 67: 972:
Bulletin de l'Académie des Sciences de l'URSS. Classe des sciences mathématiques et na
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be algebraic is removed, the statement does not remain true in general. For example,
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The transcendence of the following numbers follows immediately from the theorem:
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is either rational or transcendental. This may be expressed as saying that if
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are nonzero algebraic numbers, and we take any non-zero logarithm of
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An equivalent formulation of the theorem is the following: if
1034:, Encyclopedia of mathematical sciences, vol. 44, 822: 726: 686: 657: 563: 511: 462: 255: 82: 921:
The Gelfond–Schneider theorem answers affirmatively
391:is algebraic. A characterization of the values for 1125: 1099: 905: 807: 708: 672: 615: 549: 497: 347: 103: 41:It was originally proved independently in 1934 by 228:of several algebraic numbers is in the domain of 18:On the transcendence of a large class of numbers 623:is either rational or transcendental, where log 8: 98: 86: 1102:Topics in Number Theory, Volumes I and II 882: 878: 865: 845: 827: 821: 787: 762: 749: 731: 725: 695: 688: 685: 662: 656: 616:{\displaystyle (\log _{p}a)/(\log _{p}b)} 598: 586: 571: 562: 532: 527: 512: 510: 483: 478: 463: 461: 333: 326: 313: 303: 302: 295: 283: 270: 263: 257: 254: 81: 1173:A proof of the Gelfond–Schneider theorem 709:{\displaystyle {\sqrt {2}}^{\sqrt {2}}.} 1132:. Mathematical Association of America. 958: 968:"Sur le septième Problème de Hilbert" 7: 1069:, Dover Phoenix editions, New York: 1066:Transcendental and algebraic numbers 175:, where log stands for the complex 14: 1106:. New York: Dover Publications. 384:, which is transcendental, then 104:{\displaystyle \not \in \{0,1\}} 550:{\displaystyle |b-1|_{p}<1,} 784: 774: 610: 591: 583: 564: 528: 513: 498:{\displaystyle |a-1|_{p}<1} 479: 464: 452:, and they are algebraic over 1: 935:Lindemann–Weierstrass theorem 673:{\displaystyle 2^{\sqrt {2}}} 399:which yield a transcendental 33:of a large class of numbers. 998:Transcendental number theory 942:; an extension of the result 418:analogue of the theorem: if 230:transcendental number theory 1152:"Gelfond-Schneider Theorem" 1211: 1002:Cambridge University Press 966:Aleksandr Gelfond (1934). 650:Gelfond–Schneider constant 226:linear forms in logarithms 1193:Theorems in number theory 923:Hilbert's seventh problem 27:Gelfond–Schneider theorem 634:-adic logarithm function 235:If the restriction that 1188:Transcendental numbers 1032:Transcendental numbers 907: 809: 710: 674: 617: 551: 499: 349: 145:are not restricted to 105: 946:Schanuel's conjecture 908: 810: 711: 675: 618: 552: 500: 350: 125:transcendental number 106: 820: 724: 684: 680:and its square root 655: 561: 509: 460: 253: 222:linearly independent 119:, then any value of 80: 1096:LeVeque, William J. 1149:Weisstein, Eric W. 1128:Irrational Numbers 1071:Dover Publications 1028:Nesterenko, Yu. V. 903: 805: 719:Gelfond's constant 706: 670: 613: 547: 495: 345: 101: 1113:978-0-486-42539-9 1080:978-0-486-49526-2 1011:978-0-521-20461-3 890: 858: 700: 693: 667: 441:algebraic closure 382:= (log 2)/(log 3) 331: 318: 308: 300: 288: 275: 268: 177:natural logarithm 71:algebraic numbers 47:Theodor Schneider 43:Aleksandr Gelfond 1200: 1162: 1161: 1143: 1131: 1117: 1105: 1091: 1056: 1026:Feldman, N. I.; 1022: 980: 979: 963: 912: 910: 909: 904: 893: 892: 891: 883: 870: 869: 864: 860: 859: 854: 846: 832: 831: 814: 812: 811: 806: 795: 794: 770: 769: 761: 757: 756: 736: 735: 715: 713: 712: 707: 702: 701: 696: 694: 689: 679: 677: 676: 671: 669: 668: 663: 622: 620: 619: 614: 603: 602: 590: 576: 575: 556: 554: 553: 548: 537: 536: 531: 516: 504: 502: 501: 496: 488: 487: 482: 467: 390: 383: 376: 369: 368: 354: 352: 351: 346: 338: 337: 332: 327: 321: 320: 319: 314: 309: 304: 301: 296: 290: 289: 284: 282: 281: 277: 276: 271: 269: 264: 219: 212: 205: 170: 110: 108: 107: 102: 29:establishes the 1210: 1209: 1203: 1202: 1201: 1199: 1198: 1197: 1178: 1177: 1169: 1147: 1146: 1140: 1120: 1114: 1094: 1081: 1061:Gel'fond, A. O. 1059: 1046: 1036:Springer-Verlag 1025: 1012: 992: 989: 987:Further reading 984: 983: 965: 964: 960: 955: 940:Baker's theorem 931: 919: 874: 847: 841: 837: 836: 823: 818: 817: 783: 745: 741: 740: 727: 722: 721: 687: 682: 681: 658: 653: 652: 643: 628: 594: 567: 559: 558: 526: 507: 506: 477: 458: 457: 451: 434: 385: 378: 371: 366: 364: 325: 294: 262: 258: 256: 251: 250: 214: 207: 195: 157: 151:complex numbers 134: 78: 77: 55: 39: 19: 12: 11: 5: 1208: 1207: 1204: 1196: 1195: 1190: 1180: 1179: 1176: 1175: 1168: 1167:External links 1165: 1164: 1163: 1144: 1138: 1118: 1112: 1092: 1079: 1057: 1044: 1023: 1010: 1004:, p. 10, 988: 985: 982: 981: 957: 956: 954: 951: 950: 949: 943: 937: 930: 927: 918: 915: 914: 913: 902: 899: 896: 889: 886: 881: 877: 873: 868: 863: 857: 853: 850: 844: 840: 835: 830: 826: 815: 804: 801: 798: 793: 790: 786: 782: 779: 776: 773: 768: 765: 760: 755: 752: 748: 744: 739: 734: 730: 716: 705: 699: 692: 666: 661: 642: 639: 638: 637: 624: 612: 609: 606: 601: 597: 593: 589: 585: 582: 579: 574: 570: 566: 546: 543: 540: 535: 530: 525: 522: 519: 515: 494: 491: 486: 481: 476: 473: 470: 466: 447: 430: 405: 404: 357: 356: 355: 344: 341: 336: 330: 324: 317: 312: 307: 299: 293: 287: 280: 274: 267: 261: 245: 244: 233: 180: 154: 137:The values of 133: 130: 129: 128: 100: 97: 94: 91: 88: 85: 54: 51: 38: 35: 17: 13: 10: 9: 6: 4: 3: 2: 1206: 1205: 1194: 1191: 1189: 1186: 1185: 1183: 1174: 1171: 1170: 1166: 1159: 1158: 1153: 1150: 1145: 1141: 1139:0-88385-011-7 1135: 1130: 1129: 1123: 1119: 1115: 1109: 1104: 1103: 1097: 1093: 1090: 1086: 1082: 1076: 1072: 1068: 1067: 1062: 1058: 1055: 1051: 1047: 1045:3-540-61467-2 1041: 1037: 1033: 1029: 1024: 1021: 1017: 1013: 1007: 1003: 999: 995: 991: 990: 986: 978:(4): 623–634. 977: 973: 969: 962: 959: 952: 947: 944: 941: 938: 936: 933: 932: 928: 926: 924: 916: 900: 897: 894: 887: 884: 879: 875: 871: 866: 861: 855: 851: 848: 842: 838: 833: 828: 824: 816: 802: 799: 796: 791: 788: 780: 777: 771: 766: 763: 758: 753: 750: 746: 742: 737: 732: 728: 720: 717: 703: 697: 690: 664: 659: 651: 648: 647: 646: 640: 635: 633: 627: 607: 604: 599: 595: 587: 580: 577: 572: 568: 544: 541: 538: 533: 523: 520: 517: 492: 489: 484: 474: 471: 468: 455: 450: 446: 442: 438: 433: 429: 425: 421: 417: 415: 410: 407: 406: 403:is not known. 402: 398: 394: 388: 381: 374: 362: 358: 342: 339: 334: 328: 322: 315: 310: 305: 297: 291: 285: 278: 272: 265: 259: 249: 248: 247: 246: 242: 238: 234: 231: 227: 223: 218: 211: 203: 199: 193: 189: 185: 181: 178: 174: 168: 164: 160: 155: 152: 148: 144: 140: 136: 135: 131: 126: 122: 118: 114: 95: 92: 89: 83: 76: 72: 69: 65: 61: 57: 56: 52: 50: 48: 44: 36: 34: 32: 31:transcendence 28: 24: 16: 1155: 1127: 1101: 1065: 1031: 997: 975: 971: 961: 920: 917:Applications 644: 631: 625: 453: 448: 444: 431: 427: 423: 419: 413: 400: 396: 392: 386: 379: 372: 360: 240: 236: 216: 209: 201: 197: 191: 187: 183: 166: 162: 158: 156:In general, 147:real numbers 142: 138: 120: 112: 74: 63: 59: 40: 26: 20: 15: 1122:Niven, Ivan 994:Baker, Alan 898:0.207879576 800:23.14069263 641:Corollaries 411:proved the 409:Kurt Mahler 173:multivalued 23:mathematics 1182:Categories 1020:0297.10013 953:References 437:completion 1157:MathWorld 1098:(2002) . 1063:(1960) , 901:… 885:π 880:− 852:π 803:… 789:− 778:− 764:− 754:π 733:π 605:⁡ 578:⁡ 521:− 472:− 456:, and if 311:⋅ 53:Statement 1124:(1956). 1030:(1998), 996:(1975), 929:See also 132:Comments 117:rational 84:∉ 1089:0057921 1054:1603604 629:is the 439:of the 426:are in 365:√ 200:)/(log 194:, then 68:complex 37:History 1136:  1110:  1087:  1077:  1052:  1042:  1018:  1008:  435:, the 359:Here, 161:= exp( 25:, the 557:then 416:-adic 196:(log 123:is a 73:with 1134:ISBN 1108:ISBN 1075:ISBN 1040:ISBN 1006:ISBN 539:< 505:and 490:< 422:and 395:and 377:and 239:and 220:are 215:log 208:log 186:and 165:log 141:and 115:not 111:and 66:are 62:and 45:and 1016:Zbl 976:VII 596:log 569:log 443:of 389:= 2 375:= 3 363:is 171:is 58:If 49:. 21:In 1184:: 1154:. 1085:MR 1083:, 1073:, 1050:MR 1048:, 1038:, 1014:, 1000:, 974:. 970:. 925:. 343:2. 213:, 149:; 1160:. 1142:. 1116:. 895:= 888:2 876:e 872:= 867:i 862:) 856:2 849:i 843:e 839:( 834:= 829:i 825:i 797:= 792:i 785:) 781:1 775:( 772:= 767:i 759:) 751:i 747:e 743:( 738:= 729:e 704:. 698:2 691:2 665:2 660:2 636:. 632:p 626:p 611:) 608:b 600:p 592:( 588:/ 584:) 581:a 573:p 565:( 545:, 542:1 534:p 529:| 524:1 518:b 514:| 493:1 485:p 480:| 475:1 469:a 465:| 454:Q 449:p 445:Q 432:p 428:C 424:b 420:a 414:p 401:a 397:b 393:a 387:a 380:b 373:a 367:2 361:a 340:= 335:2 329:2 323:= 316:2 306:2 298:2 292:= 286:2 279:) 273:2 266:2 260:( 241:b 237:a 232:. 217:γ 210:α 204:) 202:α 198:γ 192:α 188:γ 184:α 169:) 167:a 163:b 159:a 143:b 139:a 127:. 121:a 113:b 99:} 96:1 93:, 90:0 87:{ 75:a 64:b 60:a

Index

mathematics
transcendence
Aleksandr Gelfond
Theodor Schneider
complex
algebraic numbers
rational
transcendental number
real numbers
complex numbers
multivalued
natural logarithm
linearly independent
linear forms in logarithms
transcendental number theory
Kurt Mahler
p-adic
completion
algebraic closure
p-adic logarithm function
Gelfond–Schneider constant
Gelfond's constant
Hilbert's seventh problem
Lindemann–Weierstrass theorem
Baker's theorem
Schanuel's conjecture
"Sur le septième Problème de Hilbert"
Baker, Alan
Cambridge University Press
ISBN

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