20:
642:
28:
467:
458:
386:
828:
274:
143:
85:
689:
198:
732:
323:
637:{\displaystyle v=2{\sqrt {\pi }}{\frac {\Gamma (5/4)}{\Gamma (7/4)}}\prod _{p\equiv 1{\bmod {4}}}{\frac {p-2}{p-1}}\prod _{p\equiv 3{\bmod {4}}}{\frac {p}{p-1}}.}
343:
294:
163:
911:
702:
98:
91:
2, 5, 17, 37, 41, 97, 101, 137, 181, 197, 241, 257, 277, 281, 337, 401, 457, 577, 617, 641, 661, 677, 757, 769, 821, 857, 881, 977, … (sequence
916:
695:
2, 5, 17, 37, 101, 197, 257, 401, 577, 677, 1297, 1601, 2917, 3137, 4357, 5477, 7057, 8101, 8837, 12101, 13457, 14401, 15377, … (sequence
906:
393:
105:
The difficulty in this statement lies in the very sparse nature of this sequence: the number of integers of the form
730:
Friedlander, John; Iwaniec, Henryk (1997), "Using a parity-sensitive sieve to count prime values of a polynomial",
832:
36:
19:
710:
348:
885:
863:
793:
239:
108:
50:
233:
868:
761:
713:) that this set is infinite. However, this is not implied by the Friedlander–Iwaniec theorem.
661:
168:
877:
841:
751:
741:
209:
299:
217:
778:
328:
279:
213:
148:
900:
889:
756:
44:
881:
229:
845:
27:
765:
746:
26:
18:
602:
550:
697:
93:
790:
Heath-Brown, D.R.; Li, Xiannan (2017), "Prime values of
236:
in 2017. In particular, they proved that the polynomial
796:
779:"Iwaniec, Sarnak, and Taylor Receive Ostrowski Prize"
664:
470:
453:{\displaystyle f(n)\sim v{\frac {x^{3/4}}{\log {x}}}}
396:
351:
331:
302:
282:
242:
171:
151:
111:
53:
276:
represents infinitely many primes when the variable
822:
683:
636:
452:
380:
337:
317:
288:
268:
192:
157:
137:
79:
866:(1998), "Sieving Prime Numbers From Thin Ore",
658:, the Friedlander–Iwaniec primes have the form
8:
220:in part for his contributions to this work.
16:Infinite prime numbers of the form a^2+b^4
814:
801:
795:
755:
745:
669:
663:
613:
605:
601:
591:
561:
553:
549:
539:
521:
499:
487:
480:
469:
442:
425:
421:
415:
395:
369:
356:
350:
330:
301:
296:is also required to be prime. Namely, if
281:
260:
247:
241:
180:
176:
170:
150:
129:
116:
110:
71:
58:
52:
722:
43:states that there are infinitely many
7:
912:Theorems in analytic number theory
512:
490:
208:The theorem was proved in 1997 by
14:
87:. The first few such primes are
325:is the prime numbers less than
216:. Iwaniec was awarded the 2001
529:
515:
507:
493:
406:
400:
312:
306:
1:
917:Theorems about prime numbers
381:{\displaystyle a^{2}+b^{4},}
882:10.1126/science.279.5347.31
823:{\displaystyle a^{2}+p^{4}}
709:It is conjectured (one of
269:{\displaystyle a^{2}+b^{4}}
228:The theorem was refined by
138:{\displaystyle a^{2}+b^{4}}
80:{\displaystyle a^{2}+b^{4}}
41:Friedlander–Iwaniec theorem
933:
846:10.1007/s00222-016-0694-0
833:Inventiones Mathematicae
165:is roughly of the order
684:{\displaystyle a^{2}+1}
193:{\displaystyle X^{3/4}}
907:Additive number theory
824:
747:10.1073/pnas.94.4.1054
685:
638:
454:
382:
339:
319:
290:
270:
194:
159:
139:
81:
37:analytic number theory
32:
24:
825:
686:
639:
455:
383:
340:
320:
291:
271:
195:
160:
140:
82:
30:
22:
794:
662:
468:
394:
349:
329:
318:{\displaystyle f(n)}
300:
280:
240:
169:
149:
109:
51:
864:Cipra, Barry Arthur
820:
691:, forming the set
681:
634:
612:
560:
450:
378:
335:
315:
286:
266:
190:
155:
135:
77:
33:
25:
711:Landau's problems
629:
587:
585:
535:
533:
485:
448:
338:{\displaystyle n}
289:{\displaystyle b}
158:{\displaystyle X}
924:
892:
850:
848:
829:
827:
826:
821:
819:
818:
806:
805:
787:
781:
776:
770:
768:
759:
749:
740:(4): 1054–1058,
727:
700:
690:
688:
687:
682:
674:
673:
657:
643:
641:
640:
635:
630:
628:
614:
611:
610:
609:
586:
584:
573:
562:
559:
558:
557:
534:
532:
525:
510:
503:
488:
486:
481:
459:
457:
456:
451:
449:
447:
446:
434:
433:
429:
416:
387:
385:
384:
379:
374:
373:
361:
360:
344:
342:
341:
336:
324:
322:
321:
316:
295:
293:
292:
287:
275:
273:
272:
267:
265:
264:
252:
251:
230:D.R. Heath-Brown
210:John Friedlander
199:
197:
196:
191:
189:
188:
184:
164:
162:
161:
156:
144:
142:
141:
136:
134:
133:
121:
120:
96:
86:
84:
83:
78:
76:
75:
63:
62:
23:John Friedlander
932:
931:
927:
926:
925:
923:
922:
921:
897:
896:
862:
859:
857:Further reading
854:
853:
810:
797:
792:
791:
789:
788:
784:
777:
773:
729:
728:
724:
719:
696:
665:
660:
659:
652:
649:
618:
574:
563:
511:
489:
466:
465:
435:
417:
392:
391:
365:
352:
347:
346:
327:
326:
298:
297:
278:
277:
256:
243:
238:
237:
226:
218:Ostrowski Prize
206:
172:
167:
166:
147:
146:
125:
112:
107:
106:
92:
67:
54:
49:
48:
17:
12:
11:
5:
930:
928:
920:
919:
914:
909:
899:
898:
895:
894:
858:
855:
852:
851:
817:
813:
809:
804:
800:
782:
771:
721:
720:
718:
715:
707:
706:
680:
677:
672:
668:
648:
645:
633:
627:
624:
621:
617:
608:
604:
600:
597:
594:
590:
583:
580:
577:
572:
569:
566:
556:
552:
548:
545:
542:
538:
531:
528:
524:
520:
517:
514:
509:
506:
502:
498:
495:
492:
484:
479:
476:
473:
445:
441:
438:
432:
428:
424:
420:
414:
411:
408:
405:
402:
399:
377:
372:
368:
364:
359:
355:
334:
314:
311:
308:
305:
285:
263:
259:
255:
250:
246:
225:
222:
214:Henryk Iwaniec
205:
202:
187:
183:
179:
175:
154:
132:
128:
124:
119:
115:
103:
102:
74:
70:
66:
61:
57:
31:Henryk Iwaniec
15:
13:
10:
9:
6:
4:
3:
2:
929:
918:
915:
913:
910:
908:
905:
904:
902:
891:
887:
883:
879:
875:
871:
870:
865:
861:
860:
856:
847:
843:
839:
835:
834:
815:
811:
807:
802:
798:
786:
783:
780:
775:
772:
767:
763:
758:
753:
748:
743:
739:
735:
734:
726:
723:
716:
714:
712:
704:
699:
694:
693:
692:
678:
675:
670:
666:
655:
646:
644:
631:
625:
622:
619:
615:
606:
598:
595:
592:
588:
581:
578:
575:
570:
567:
564:
554:
546:
543:
540:
536:
526:
522:
518:
504:
500:
496:
482:
477:
474:
471:
463:
460:
443:
439:
436:
430:
426:
422:
418:
412:
409:
403:
397:
389:
375:
370:
366:
362:
357:
353:
332:
309:
303:
283:
261:
257:
253:
248:
244:
235:
231:
223:
221:
219:
215:
211:
203:
201:
185:
181:
177:
173:
152:
130:
126:
122:
117:
113:
100:
95:
90:
89:
88:
72:
68:
64:
59:
55:
46:
45:prime numbers
42:
38:
29:
21:
876:(5347): 31,
873:
867:
837:
831:
785:
774:
737:
731:
725:
708:
653:
650:
647:Special case
464:
461:
390:
345:in the form
227:
207:
104:
47:of the form
40:
34:
840:: 441–499,
224:Refinements
901:Categories
717:References
234:Xiannan Li
145:less than
890:118322959
623:−
596:≡
589:∏
579:−
568:−
544:≡
537:∏
513:Γ
491:Γ
483:π
440:
410:∼
766:11038598
869:Science
701:in the
698:A002496
204:History
97:in the
94:A028916
888:
764:
754:
462:where
886:S2CID
757:19742
651:When
388:then
762:PMID
733:PNAS
703:OEIS
232:and
212:and
99:OEIS
39:the
878:doi
874:279
842:doi
838:208
830:",
752:PMC
742:doi
656:= 1
603:mod
551:mod
437:log
35:In
903::
884:,
872:,
836:,
760:,
750:,
738:94
736:,
705:).
200:.
101:).
893:.
880::
849:.
844::
816:4
812:p
808:+
803:2
799:a
769:.
744::
679:1
676:+
671:2
667:a
654:b
632:.
626:1
620:p
616:p
607:4
599:3
593:p
582:1
576:p
571:2
565:p
555:4
547:1
541:p
530:)
527:4
523:/
519:7
516:(
508:)
505:4
501:/
497:5
494:(
478:2
475:=
472:v
444:x
431:4
427:/
423:3
419:x
413:v
407:)
404:n
401:(
398:f
376:,
371:4
367:b
363:+
358:2
354:a
333:n
313:)
310:n
307:(
304:f
284:b
262:4
258:b
254:+
249:2
245:a
186:4
182:/
178:3
174:X
153:X
131:4
127:b
123:+
118:2
114:a
73:4
69:b
65:+
60:2
56:a
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.