339:
wrote "In the past, researchers have generally derived the sieve bounds required for an application, but now workers will find that usually an appeal to an appropriate theorem of
572:
577:
262:
557:
567:
409:
470:
381:
562:
489:
336:
532:
310:
286:
218:
135:
298:
108:
274:
250:
178:
100:
347:
will be vital to those seeking to work in the subject, and also to those seeking to make applications."
222:
206:
139:
90:
552:
547:
321:. Richert also produced a "readable form" of Chen's theorem (it is covered in the last chapter of
466:
441:
437:
405:
377:
318:
226:
143:
505:
397:
369:
328:
278:
254:
182:
150:
391:
387:
294:
433:
57:
541:
314:
290:
174:
510:
493:
258:
229:, where he remained until his retirement in 1991. He died on November 25, 1993, in
186:
104:
261:. For many years he was a chairman of the Analytic Number Theory meetings at the
335:
was the first exhaustive account of the subject. In reviewing the book in 1976,
214:
155:
125:
282:
17:
528:
230:
75:
238:
202:
198:
171:
79:
53:
210:
234:
364:
362:
360:
504:(6). Providence: American Mathematical Society: 846–853.
253:, and beginning around 1965 started a collaboration with
313:, joint work with Wolfgang B. Jurkat that improved the
484:
482:
149:
131:
121:
96:
86:
64:
39:
32:
263:Mathematical Research Institute of Oberwolfach
498:Bulletin of the American Mathematical Society
8:
289:, estimates of the number of non-isomorphic
573:Academic staff of the University of Marburg
463:Additive Number Theory: The Classical Bases
427:
425:
423:
421:
217:in 1950. He held a temporary chair at the
29:
509:
309:One of Richert's notable results was the
170:(June 2, 1924 – November 25, 1993) was a
578:Academic staff of the University of Ulm
356:
343:will suffice," and "For years to come,
297:. He proved the exponent 15/46 for the
301:, a record that stood for many years.
221:and then a newly created chair at the
197:Hans-Egon Richert was born in 1924 in
7:
438:"Died: Prof. Dr. Hans-Egon Richert"
285:, the multiplicative analog of the
558:20th-century German mathematicians
25:
511:10.1090/S0002-9904-1976-14180-8
273:Richert made contributions to
1:
533:Mathematics Genealogy Project
494:"Book Reviews: Sieve Methods"
400:; Richert, Hans-Egon (2011).
568:University of Hamburg alumni
317:and is used in the proof of
249:Richert worked primarily in
594:
461:Nathanson, Melvyn (1996).
376:. London: Academic Press.
225:. In 1972 he moved to the
185:) of a definitive book on
299:Dirichlet divisor problem
257:and shifted his focus to
181:. He is the author (with
161:
114:
109:Dirichlet divisor problem
372:; H. E. Richert (1974).
177:who worked primarily in
563:German number theorists
404:(2nd ed.). Dover.
219:University of Göttingen
136:University of Göttingen
311:Jurkat–Richert theorem
275:additive number theory
269:Analytic number theory
251:analytic number theory
179:analytic number theory
101:additive number theory
331:& Richert's book
223:University of Marburg
207:University of Hamburg
140:University of Marburg
91:University of Hamburg
465:. Berlin: Springer.
27:German mathematician
287:Erdős–Fuchs theorem
432:Vorhauer, Ulrike;
205:. He attended the
193:Life and education
529:Hans-Egon Richert
492:(November 1976).
490:Montgomery, H. L.
442:University of Ulm
411:978-0-486-47939-2
398:Halberstam, Heini
370:Halberstam, Heini
293:, and bounds for
283:Riesz summability
227:University of Ulm
209:and received his
168:Hans-Egon Richert
165:
164:
144:University of Ulm
116:Scientific career
68:November 25, 1993
34:Hans-Egon Richert
16:(Redirected from
585:
516:
515:
513:
486:
477:
476:
458:
452:
451:
449:
448:
436:(January 1994).
429:
416:
415:
395:
366:
295:exponential sums
279:Dirichlet series
255:Heini Halberstam
183:Heini Halberstam
151:Doctoral advisor
71:
49:
47:
30:
21:
593:
592:
588:
587:
586:
584:
583:
582:
538:
537:
525:
520:
519:
488:
487:
480:
473:
460:
459:
455:
446:
444:
431:
430:
419:
412:
396:
384:
368:
367:
358:
353:
337:Hugh Montgomery
307:
271:
247:
195:
142:
138:
107:
103:
87:Alma mater
82:
73:
69:
60:
51:
45:
43:
35:
28:
23:
22:
15:
12:
11:
5:
591:
589:
581:
580:
575:
570:
565:
560:
555:
550:
540:
539:
536:
535:
524:
523:External links
521:
518:
517:
478:
471:
453:
434:Eduard Wirsing
417:
410:
382:
355:
354:
352:
349:
319:Chen's theorem
306:
303:
291:abelian groups
270:
267:
246:
243:
194:
191:
163:
162:
159:
158:
153:
147:
146:
133:
129:
128:
123:
119:
118:
112:
111:
98:
97:Known for
94:
93:
88:
84:
83:
74:
72:(aged 69)
66:
62:
61:
52:
41:
37:
36:
33:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
590:
579:
576:
574:
571:
569:
566:
564:
561:
559:
556:
554:
551:
549:
546:
545:
543:
534:
530:
527:
526:
522:
512:
507:
503:
499:
495:
491:
485:
483:
479:
474:
472:0-387-94656-X
468:
464:
457:
454:
443:
439:
435:
428:
426:
424:
422:
418:
413:
407:
403:
402:Sieve Methods
399:
393:
389:
385:
383:0-12-318250-6
379:
375:
374:Sieve Methods
371:
365:
363:
361:
357:
350:
348:
346:
345:Sieve methods
342:
341:Sieve methods
338:
334:
333:Sieve Methods
330:
326:
324:
323:Sieve Methods
320:
316:
315:Selberg sieve
312:
305:Sieve methods
304:
302:
300:
296:
292:
288:
284:
280:
276:
268:
266:
264:
260:
256:
252:
244:
242:
240:
236:
232:
228:
224:
220:
216:
212:
208:
204:
200:
192:
190:
188:
184:
180:
176:
175:mathematician
173:
169:
160:
157:
154:
152:
148:
145:
141:
137:
134:
130:
127:
124:
120:
117:
113:
110:
106:
102:
99:
95:
92:
89:
85:
81:
77:
67:
63:
59:
55:
42:
38:
31:
19:
18:H. E. Richert
501:
497:
462:
456:
445:. Retrieved
401:
373:
344:
340:
332:
327:
322:
308:
272:
259:sieve theory
248:
196:
187:sieve theory
167:
166:
132:Institutions
115:
105:sieve theory
70:(1993-11-25)
50:June 2, 1924
553:1993 deaths
548:1924 births
215:Max Deuring
156:Max Deuring
126:Mathematics
46:1924 -06-02
542:Categories
447:2008-07-21
329:Halberstam
231:Blaustein
76:Blaustein
531:at the
392:0424730
239:Germany
233:, near
203:Germany
199:Hamburg
80:Germany
58:Germany
54:Hamburg
469:
408:
390:
380:
213:under
172:German
122:Fields
351:Notes
467:ISBN
406:ISBN
378:ISBN
245:Work
211:Ph.D
65:Died
40:Born
506:doi
325:).
235:Ulm
544::
502:82
500:.
496:.
481:^
440:.
420:^
388:MR
386:.
359:^
281:,
277:,
265:.
241:.
237:,
201:,
189:.
78:,
56:,
514:.
508::
475:.
450:.
414:.
394:.
48:)
44:(
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.