Knowledge

Talk:Explicit formulae for L-functions

Source 📝

84: 74: 53: 22: 212:
For most questions about the prime counting functions it is irrelevant, whether you define it to be continuous from the left or from the right, since you only change it on a set of measure 0 and the difference is bounded. However, in the case of the Riemann explicit formula this is no longer true and
169:
I tried to verify mathematically that the formula gives this, but I am not adept enough to work with it much...I did find that the f(x) formula can work either way (if pi(x) includes x, then f(x) includes x; and if pi(x) excludes x, then f(x) excludes x). This was quite simple using induction.
798: 395:) 13:18, 30 July 2013 (UTC) I would note that the article was originally called "Explicit formulae (L-function)", which sounds perfect to me, but it was moved to "Explicit formula" on 23:32, 8 January 2009‎ with the edit summary "shorter title". 1523: 319:. You can find this on page four both in the german and english version of the transliteration of Riemann's original paper by David R. Wilkins (follow the link in the references). There it says (in the english version) 960: 310: 1132: 1397: 1223: 1265: 1044: 588: 376:
The name of this article, "Explicit formula", is way too general. I came to this article via a link that was intended to give an explanation that an explicit formula is a formula of the type
140: 1176: 584: 353: 322:"Let F(x) be equal to this number (the number of primes < x) when x is not exactly equal to a prime number; but let it be greater by 1/2 when x is a prime number..." 1402: 882: 410:
should it be renamed as 'explicit formulae relating prime numbers and riemann zeros ' ? since it's a relationship between prime numbers and Riemann zeros
1555: 130: 1550: 106: 193: 162:"...Riemann found an explicit formula for the number of primes π(x) less than a given number x." Should this not be the number of primes 417: 173:
Besides verifying mathematically, I have always seen the prime counting function before as including x - and it is defined that way on
97: 58: 887: 219: 1049: 1276: 213:
you stumbled indeed on an error in this article. If you want the explicit formula to hold at prime powers, you have to define
1181: 793:{\displaystyle =\sum \limits _{n=1}^{\infty }\Lambda (n)\left+{\frac {d\ln(1-e^{-2|u|})}{du}}=e^{u}-\sum {\rho }e^{\rho u}} 33: 1228: 971: 1536: 189: 21: 421: 174: 1143: 445: 39: 83: 362: 413: 181: 387:
Could someone who is familiar with the topic of this page move it to a more specific title? Thanks.
1518:{\displaystyle g(u)=\sum _{n=1}^{\infty }\Lambda (n)\left(\delta (u-\ln n)+\delta (u+\ln n)\right)} 400: 392: 185: 105:
on Knowledge. If you would like to participate, please visit the project page, where you can join
358: 89: 425: 404: 366: 197: 73: 52: 328: 809: 1532: 396: 388: 325:
In modern literature this "normalized" prime counting function is sometimes denoted by
1544: 102: 79: 1528: 436:
Some of the formulas under this topic don't look correct to me.
955:{\displaystyle \left(\delta (u-\ln n)+\delta (u+\ln n)\right)} 305:{\displaystyle \pi (p)=0.5\lim _{h\to 0}(\pi (p+h)+\pi (p-h))} 15: 1127:{\displaystyle {\frac {1}{2}}{\frac {d\ln(1-e^{-2|u|})}{du}}} 1392:{\displaystyle g(u)=\sum _{n=1}^{\infty }\Lambda (n)\left} 1218:{\displaystyle \sum \limits _{\rho }{\rho }\,e^{\rho u}} 355:
a notation which I would also suggest for this article.
1405: 1279: 1231: 1184: 1146: 1052: 974: 890: 812: 591: 448: 331: 222: 101:, a collaborative effort to improve the coverage of 1517: 1391: 1259: 1217: 1170: 1126: 1038: 954: 876: 792: 578: 347: 304: 1260:{\displaystyle \sum \limits _{\rho }\,e^{\rho u}} 242: 1039:{\displaystyle {\frac {d\ln(1-e^{-2|u|})}{du}}} 8: 19: 411: 47: 1436: 1425: 1404: 1310: 1299: 1278: 1248: 1236: 1230: 1206: 1195: 1189: 1183: 1159: 1150: 1145: 1103: 1095: 1088: 1063: 1053: 1051: 1015: 1007: 1000: 975: 973: 889: 811: 781: 772: 760: 732: 724: 717: 692: 610: 599: 590: 561: 553: 546: 517: 493: 485: 484: 473: 449: 447: 336: 330: 245: 221: 1242: 1200: 49: 1171:{\displaystyle \sum {\rho }e^{\rho u}} 380:= function of something not involving 7: 579:{\displaystyle {\frac {d}{du}}\left} 95:This article is within the scope of 1233: 1186: 596: 470: 38:It is of interest to the following 1442: 1437: 1316: 1311: 616: 611: 502: 14: 1556:Low-priority mathematics articles 115:Knowledge:WikiProject Mathematics 1551:Start-Class mathematics articles 431: 118:Template:WikiProject Mathematics 82: 72: 51: 20: 1273:: In the last paragraph should 135:This article has been rated as 1507: 1489: 1480: 1462: 1451: 1445: 1415: 1409: 1381: 1363: 1354: 1336: 1325: 1319: 1289: 1283: 1110: 1104: 1096: 1075: 1022: 1016: 1008: 987: 944: 926: 917: 899: 866: 848: 839: 821: 739: 733: 725: 704: 681: 663: 654: 636: 625: 619: 568: 562: 554: 533: 511: 505: 494: 486: 299: 296: 284: 275: 263: 257: 249: 232: 226: 1: 1537:22:30, 28 February 2019 (UTC) 426:12:18, 23 February 2017 (UTC) 109:and see a list of open tasks. 198:01:33, 30 October 2010 (UTC) 372:Article name is too general 367:14:17, 24 August 2011 (UTC) 1572: 405:13:39, 30 July 2013 (UTC) 348:{\displaystyle \pi _{0},} 134: 67: 46: 141:project's priority scale 432:Weil's Explicit Formula 98:WikiProject Mathematics 1519: 1441: 1393: 1315: 1261: 1219: 1172: 1128: 1040: 956: 878: 794: 615: 580: 349: 315:for all prime numbers 306: 28:This article is rated 1520: 1421: 1394: 1295: 1262: 1220: 1173: 1129: 1041: 957: 879: 877:{\displaystyle \left} 795: 595: 581: 350: 307: 164:less than or equal to 1403: 1277: 1229: 1182: 1144: 1050: 972: 888: 810: 589: 446: 329: 220: 121:mathematics articles 1515: 1389: 1257: 1243: 1241: 1215: 1201: 1194: 1168: 1124: 1036: 952: 874: 790: 576: 501: 345: 302: 256: 166:a given number x? 90:Mathematics portal 34:content assessment 1232: 1185: 1122: 1061: 1034: 751: 525: 469: 462: 442:: In the formula 428: 416:comment added by 241: 201: 184:comment added by 155: 154: 151: 150: 147: 146: 1563: 1524: 1522: 1521: 1516: 1514: 1510: 1440: 1435: 1398: 1396: 1395: 1390: 1388: 1384: 1314: 1309: 1266: 1264: 1263: 1258: 1256: 1255: 1240: 1224: 1222: 1221: 1216: 1214: 1213: 1199: 1193: 1177: 1175: 1174: 1169: 1167: 1166: 1154: 1133: 1131: 1130: 1125: 1123: 1121: 1113: 1109: 1108: 1107: 1099: 1064: 1062: 1054: 1045: 1043: 1042: 1037: 1035: 1033: 1025: 1021: 1020: 1019: 1011: 976: 961: 959: 958: 953: 951: 947: 883: 881: 880: 875: 873: 869: 799: 797: 796: 791: 789: 788: 776: 765: 764: 752: 750: 742: 738: 737: 736: 728: 693: 688: 684: 614: 609: 585: 583: 582: 577: 575: 571: 567: 566: 565: 557: 526: 518: 500: 499: 498: 497: 489: 463: 461: 450: 354: 352: 351: 346: 341: 340: 311: 309: 308: 303: 255: 200: 178: 123: 122: 119: 116: 113: 92: 87: 86: 76: 69: 68: 63: 55: 48: 31: 25: 24: 16: 1571: 1570: 1566: 1565: 1564: 1562: 1561: 1560: 1541: 1540: 1458: 1454: 1401: 1400: 1332: 1328: 1275: 1274: 1244: 1227: 1226: 1202: 1180: 1179: 1155: 1142: 1141: 1114: 1084: 1065: 1048: 1047: 1026: 996: 977: 970: 969: 895: 891: 886: 885: 817: 813: 808: 807: 777: 756: 743: 713: 694: 632: 628: 587: 586: 542: 480: 468: 464: 454: 444: 443: 434: 374: 332: 327: 326: 218: 217: 210: 179: 160: 120: 117: 114: 111: 110: 88: 81: 61: 32:on Knowledge's 29: 12: 11: 5: 1569: 1567: 1559: 1558: 1553: 1543: 1542: 1513: 1509: 1506: 1503: 1500: 1497: 1494: 1491: 1488: 1485: 1482: 1479: 1476: 1473: 1470: 1467: 1464: 1461: 1457: 1453: 1450: 1447: 1444: 1439: 1434: 1431: 1428: 1424: 1420: 1417: 1414: 1411: 1408: 1387: 1383: 1380: 1377: 1374: 1371: 1368: 1365: 1362: 1359: 1356: 1353: 1350: 1347: 1344: 1341: 1338: 1335: 1331: 1327: 1324: 1321: 1318: 1313: 1308: 1305: 1302: 1298: 1294: 1291: 1288: 1285: 1282: 1254: 1251: 1247: 1239: 1235: 1212: 1209: 1205: 1198: 1192: 1188: 1165: 1162: 1158: 1153: 1149: 1120: 1117: 1112: 1106: 1102: 1098: 1094: 1091: 1087: 1083: 1080: 1077: 1074: 1071: 1068: 1060: 1057: 1032: 1029: 1024: 1018: 1014: 1010: 1006: 1003: 999: 995: 992: 989: 986: 983: 980: 950: 946: 943: 940: 937: 934: 931: 928: 925: 922: 919: 916: 913: 910: 907: 904: 901: 898: 894: 872: 868: 865: 862: 859: 856: 853: 850: 847: 844: 841: 838: 835: 832: 829: 826: 823: 820: 816: 787: 784: 780: 775: 771: 768: 763: 759: 755: 749: 746: 741: 735: 731: 727: 723: 720: 716: 712: 709: 706: 703: 700: 697: 691: 687: 683: 680: 677: 674: 671: 668: 665: 662: 659: 656: 653: 650: 647: 644: 641: 638: 635: 631: 627: 624: 621: 618: 613: 608: 605: 602: 598: 594: 574: 570: 564: 560: 556: 552: 549: 545: 541: 538: 535: 532: 529: 524: 521: 516: 513: 510: 507: 504: 496: 492: 488: 483: 479: 476: 472: 467: 460: 457: 453: 433: 430: 409: 373: 370: 344: 339: 335: 313: 312: 301: 298: 295: 292: 289: 286: 283: 280: 277: 274: 271: 268: 265: 262: 259: 254: 251: 248: 244: 240: 237: 234: 231: 228: 225: 209: 203: 186:Cstanford.math 159: 156: 153: 152: 149: 148: 145: 144: 133: 127: 126: 124: 107:the discussion 94: 93: 77: 65: 64: 56: 44: 43: 37: 26: 13: 10: 9: 6: 4: 3: 2: 1568: 1557: 1554: 1552: 1549: 1548: 1546: 1539: 1538: 1534: 1530: 1526: 1511: 1504: 1501: 1498: 1495: 1492: 1486: 1483: 1477: 1474: 1471: 1468: 1465: 1459: 1455: 1448: 1432: 1429: 1426: 1422: 1418: 1412: 1406: 1385: 1378: 1375: 1372: 1369: 1366: 1360: 1357: 1351: 1348: 1345: 1342: 1339: 1333: 1329: 1322: 1306: 1303: 1300: 1296: 1292: 1286: 1280: 1272: 1268: 1252: 1249: 1245: 1237: 1210: 1207: 1203: 1196: 1190: 1163: 1160: 1156: 1151: 1147: 1139: 1135: 1118: 1115: 1100: 1092: 1089: 1085: 1081: 1078: 1072: 1069: 1066: 1058: 1055: 1030: 1027: 1012: 1004: 1001: 997: 993: 990: 984: 981: 978: 967: 963: 948: 941: 938: 935: 932: 929: 923: 920: 914: 911: 908: 905: 902: 896: 892: 870: 863: 860: 857: 854: 851: 845: 842: 836: 833: 830: 827: 824: 818: 814: 805: 801: 785: 782: 778: 773: 769: 766: 761: 757: 753: 747: 744: 729: 721: 718: 714: 710: 707: 701: 698: 695: 689: 685: 678: 675: 672: 669: 666: 660: 657: 651: 648: 645: 642: 639: 633: 629: 622: 606: 603: 600: 592: 572: 558: 550: 547: 543: 539: 536: 530: 527: 522: 519: 514: 508: 490: 481: 477: 474: 465: 458: 455: 451: 441: 437: 429: 427: 423: 419: 418:82.130.159.27 415: 407: 406: 402: 398: 394: 390: 385: 383: 379: 371: 369: 368: 364: 360: 356: 342: 337: 333: 323: 320: 318: 293: 290: 287: 281: 278: 272: 269: 266: 260: 252: 246: 238: 235: 229: 223: 216: 215: 214: 208: 204: 202: 199: 195: 191: 187: 183: 176: 175:the Wiki page 171: 167: 165: 157: 142: 138: 132: 129: 128: 125: 108: 104: 100: 99: 91: 85: 80: 78: 75: 71: 70: 66: 60: 57: 54: 50: 45: 41: 35: 27: 23: 18: 17: 1527: 1271:Question (2) 1270: 1269: 1137: 1136: 965: 964: 803: 802: 440:Question (1) 439: 438: 435: 412:— Preceding 408: 386: 381: 377: 375: 357: 324: 321: 316: 314: 211: 206: 172: 168: 163: 161: 137:Low-priority 136: 96: 62:Low‑priority 40:WikiProjects 180:—Preceding 112:Mathematics 103:mathematics 59:Mathematics 30:Start-class 1545:Categories 397:Duoduoduo 389:Duoduoduo 205:Reply to 414:unsigned 194:contribs 182:unsigned 1140:Should 968:Should 806:Should 139:on the 359:Jpb101 207:Error? 158:Error? 36:scale. 1533:talk 1529:StvC 1138:(1c) 966:(1b) 804:(1a) 422:talk 401:talk 393:talk 363:talk 190:talk 1399:be 1225:or 1178:be 1046:be 884:be 243:lim 239:0.5 177:. 131:Low 1547:: 1535:) 1525:? 1502:⁡ 1499:ln 1487:δ 1475:⁡ 1472:ln 1469:− 1460:δ 1443:Λ 1438:∞ 1423:∑ 1376:⁡ 1373:ln 1370:− 1361:δ 1349:⁡ 1346:ln 1343:− 1334:δ 1317:Λ 1312:∞ 1297:∑ 1267:? 1250:ρ 1238:ρ 1234:∑ 1208:ρ 1197:ρ 1191:ρ 1187:∑ 1161:ρ 1152:ρ 1148:∑ 1134:? 1090:− 1082:− 1073:⁡ 1070:ln 1002:− 994:− 985:⁡ 982:ln 962:? 939:⁡ 936:ln 924:δ 912:⁡ 909:ln 906:− 897:δ 861:⁡ 858:ln 855:− 846:δ 834:⁡ 831:ln 828:− 819:δ 800:, 783:ρ 774:ρ 770:∑ 767:− 719:− 711:− 702:⁡ 699:ln 676:⁡ 673:ln 670:− 661:δ 649:⁡ 646:ln 643:− 634:δ 617:Λ 612:∞ 597:∑ 548:− 540:− 531:⁡ 528:ln 503:Λ 478:≤ 471:∑ 424:) 403:) 384:. 365:) 334:π 291:− 282:π 261:π 250:→ 224:π 196:) 192:• 1531:( 1512:) 1508:) 1505:n 1496:+ 1493:u 1490:( 1484:+ 1481:) 1478:n 1466:u 1463:( 1456:( 1452:) 1449:n 1446:( 1433:1 1430:= 1427:n 1419:= 1416:) 1413:u 1410:( 1407:g 1386:] 1382:) 1379:n 1367:u 1364:( 1358:+ 1355:) 1352:n 1340:u 1337:( 1330:[ 1326:) 1323:n 1320:( 1307:1 1304:= 1301:n 1293:= 1290:) 1287:u 1284:( 1281:g 1253:u 1246:e 1211:u 1204:e 1164:u 1157:e 1119:u 1116:d 1111:) 1105:| 1101:u 1097:| 1093:2 1086:e 1079:1 1076:( 1067:d 1059:2 1056:1 1031:u 1028:d 1023:) 1017:| 1013:u 1009:| 1005:2 998:e 991:1 988:( 979:d 949:) 945:) 942:n 933:+ 930:u 927:( 921:+ 918:) 915:n 903:u 900:( 893:( 871:] 867:) 864:n 852:u 849:( 843:+ 840:) 837:n 825:u 822:( 815:[ 786:u 779:e 762:u 758:e 754:= 748:u 745:d 740:) 734:| 730:u 726:| 722:2 715:e 708:1 705:( 696:d 690:+ 686:] 682:) 679:n 667:u 664:( 658:+ 655:) 652:n 640:u 637:( 630:[ 626:) 623:n 620:( 607:1 604:= 601:n 593:= 573:] 569:) 563:| 559:u 555:| 551:2 544:e 537:1 534:( 523:2 520:1 515:+ 512:) 509:n 506:( 495:| 491:u 487:| 482:e 475:n 466:[ 459:u 456:d 452:d 420:( 399:( 391:( 382:x 378:x 361:( 343:, 338:0 317:p 300:) 297:) 294:h 288:p 285:( 279:+ 276:) 273:h 270:+ 267:p 264:( 258:( 253:0 247:h 236:= 233:) 230:p 227:( 188:( 143:. 42::

Index


content assessment
WikiProjects
WikiProject icon
Mathematics
WikiProject icon
icon
Mathematics portal
WikiProject Mathematics
mathematics
the discussion
Low
project's priority scale
the Wiki page
unsigned
Cstanford.math
talk
contribs
01:33, 30 October 2010 (UTC)
Jpb101
talk
14:17, 24 August 2011 (UTC)
Duoduoduo
talk
Duoduoduo
talk
13:39, 30 July 2013 (UTC)
unsigned
82.130.159.27
talk

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.