278:(KTH), where he would later establish what became the Department of Numerical Analysis and Computer Science (NADA) in 1962 (now part of the School of Computer Science and Communication), and become Sweden's first Professor of Numerical Analysis in 1963. He helped establish the Nordic journal of numerical analysis, BIT, in 1961. In 1965 he was elected into the
31:
334:, established 1995, "Awarded to a young scientist (normally under 45) for original contributions to fields associated with Germund Dahlquist, especially the numerical solution of differential equations and numerical methods for scientific computing".
957:
439:
331:
318:
279:
952:
432:
972:
346:
425:
236:
from
Stockholm University in 1949, before taking a break from his studies to work at the Swedish Board of Computer Machinery (
803:
294:
587:
398:
275:
133:
947:
370:
297:, was started by a couple of Dahlquist's graduate students based upon codes developed for a graduate course at KTH.
237:
448:
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106:
268:
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555:
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91:
883:
651:
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286:
233:
30:
891:
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723:
539:
245:
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102:
827:
763:
731:
531:
491:
260:
172:
149:
851:
611:
603:
264:
140:
819:
707:
659:
563:
635:
899:
771:
739:
547:
515:
483:
253:
Stability and Error Bounds in the
Numerical Solution of Ordinary Differential Equations
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941:
843:
811:
715:
675:
627:
619:
579:
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256:
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145:
907:
867:
835:
795:
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683:
459:
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571:
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915:
755:
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123:
643:
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417:
523:
394:
72:
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338:
54:
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Dahlquist returned to
Stockholm University to complete his Ph.D.,
217:
in 1942 at the age of 17, where he cites the Danish mathematician
241:
421:
202:
known primarily for his early contributions to the theory of
263:
as his advisors. As part of this work he introduced the
244:, Sweden's first. During this time, he also worked with
958:
Academic staff of the KTH Royal
Institute of Technology
240:), working on (among other things) the early computer
165:
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129:
119:
97:
87:
79:
61:
40:
21:
433:
280:Royal Swedish Academy of Engineering Sciences
8:
365:
363:
440:
426:
418:
267:(also introduced by Russian mathematician
195:(16 January 1925 – 8 February 2005) was a
29:
18:
213:Dahlquist began to study mathematics at
359:
248:on early numerical weather forecasts.
7:
953:20th-century Swedish mathematicians
371:"SIAM Obituary - Germund Dahlquist"
307:First and second Dahlquist barriers
221:(who was living in exile after the
255:, which he defended in 1958, with
14:
16:Swedish mathematician (1925–2005)
337:Three honorary doctorates, from
321:1988 John von Neumann lecturer.
101:Contributions to the theory of
35:Germund Dahlquist SPA (cropped)
295:partial differential equations
1:
399:Mathematics Genealogy Project
276:Royal Institute of Technology
134:Royal Institute of Technology
332:SIAM Germund Dahlquist Prize
156:Other academic advisors
973:Stockholm University alumni
229:) as a profound influence.
989:
449:John von Neumann Lecturers
232:He received the degree of
455:
186:
112:
28:
274:In 1959 he moved to the
291:finite element analysis
788:George C. Papanicolaou
692:R. Tyrrell Rockafellar
238:Matematikmaskinnämnden
208:differential equations
107:differential equations
285:The software package
223:occupation of Denmark
876:Bernard J. Matkowsky
860:Jennifer Tour Chayes
215:Stockholm University
92:Stockholm University
884:Charles F. Van Loan
652:Jacques-Louis Lions
326:Peter Henrici Prize
287:COMSOL Multiphysics
948:Numerical analysts
892:Margaret H. Wright
780:Jerrold E. Marsden
724:Olga Ladyzhenskaya
596:Kurt O. Friedrichs
540:James H. Wilkinson
246:Carl-Gustaf Rossby
204:numerical analysis
103:numerical analysis
935:
934:
928:
920:
912:
904:
896:
888:
880:
872:
864:
856:
848:
840:
832:
828:Ingrid Daubechies
824:
816:
808:
800:
792:
784:
776:
768:
764:Heinz-Otto Kreiss
760:
752:
744:
736:
732:Charles S. Peskin
728:
720:
712:
704:
700:Martin D. Kruskal
696:
688:
680:
672:
668:Germund Dahlquist
664:
656:
648:
640:
632:
624:
616:
608:
600:
592:
584:
576:
568:
560:
552:
544:
536:
532:George F. Carrier
528:
520:
512:
504:
496:
492:Solomon Lefschetz
488:
480:
472:
464:
395:Germund Dahlquist
313:Honors and awards
193:Germund Dahlquist
190:
189:
173:Gunilla Borgefors
166:Doctoral students
114:Scientific career
23:Germund Dahlquist
980:
926:
918:
910:
902:
894:
886:
878:
870:
862:
854:
852:Leslie Greengard
846:
838:
830:
822:
814:
806:
798:
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774:
766:
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750:
742:
734:
726:
718:
710:
702:
694:
686:
678:
670:
662:
654:
646:
638:
630:
628:Joseph B. Keller
622:
614:
612:Garrett Birkhoff
606:
604:Keith Stewartson
598:
590:
582:
574:
566:
558:
550:
542:
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526:
518:
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428:
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407:
401:
392:
386:
385:
383:
382:
373:. Archived from
367:
271:the same year).
269:Sergei Lozinskii
265:logarithmic norm
141:Doctoral advisor
68:
50:
48:
33:
19:
988:
987:
983:
982:
981:
979:
978:
977:
938:
937:
936:
931:
820:Bernd Sturmfels
660:Richard M. Karp
564:James Lighthill
451:
446:
416:
415:
408:
404:
393:
389:
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361:
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315:
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182:
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88:Alma mater
75:
70:
66:
65:8 February 2005
57:
52:
51:16 January 1925
46:
44:
36:
24:
17:
12:
11:
5:
986:
984:
976:
975:
970:
965:
960:
955:
950:
940:
939:
933:
932:
930:
929:
921:
913:
905:
900:Nick Trefethen
897:
889:
881:
873:
865:
857:
849:
841:
833:
825:
817:
809:
804:David Gottlieb
801:
793:
785:
777:
772:Alan C. Newell
769:
761:
753:
745:
740:Persi Diaconis
737:
729:
721:
713:
705:
697:
689:
681:
673:
665:
657:
649:
641:
633:
625:
617:
609:
601:
593:
585:
577:
569:
561:
553:
548:Paul Samuelson
545:
537:
529:
521:
516:Chia-Chiao Lin
513:
505:
497:
489:
484:Stanislaw Ulam
481:
473:
465:
456:
453:
452:
447:
445:
444:
437:
430:
422:
414:
413:
402:
387:
358:
357:
355:
352:
351:
350:
335:
329:
322:
314:
311:
310:
309:
302:
299:
261:Lars Hörmander
206:as applied to
188:
187:
184:
183:
181:
180:
178:Gunilla Kreiss
175:
169:
167:
163:
162:
157:
153:
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150:Lars Hörmander
143:
137:
136:
131:
127:
126:
121:
117:
116:
110:
109:
105:as applied to
99:
98:Known for
95:
94:
89:
85:
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81:
77:
76:
71:
69:(aged 80)
63:
59:
58:
53:
42:
38:
37:
34:
26:
25:
22:
15:
13:
10:
9:
6:
4:
3:
2:
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917:
914:
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901:
898:
893:
890:
885:
882:
877:
874:
869:
866:
861:
858:
853:
850:
845:
844:Stanley Osher
842:
837:
834:
829:
826:
821:
818:
813:
812:Franco Brezzi
810:
805:
802:
797:
794:
789:
786:
781:
778:
773:
770:
765:
762:
757:
754:
749:
746:
741:
738:
733:
730:
725:
722:
717:
716:William Kahan
714:
709:
706:
701:
698:
693:
690:
685:
682:
677:
676:Stephen Smale
674:
669:
666:
661:
658:
653:
650:
645:
644:John W. Tukey
642:
637:
634:
629:
626:
621:
620:David Slepian
618:
613:
610:
605:
602:
597:
594:
589:
588:Peter Henrici
586:
581:
580:Kenneth Arrow
578:
573:
570:
565:
562:
557:
554:
549:
546:
541:
538:
533:
530:
525:
522:
517:
514:
509:
508:Eugene Wigner
506:
501:
500:Freeman Dyson
498:
493:
490:
485:
482:
477:
474:
469:
466:
461:
458:
457:
454:
450:
443:
438:
436:
431:
429:
424:
423:
420:
411:
406:
403:
400:
396:
391:
388:
377:on 2015-11-21
376:
372:
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344:
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323:
320:
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308:
305:
304:
300:
298:
296:
292:
288:
283:
281:
277:
272:
270:
266:
262:
258:
257:Fritz Carlson
254:
249:
247:
243:
239:
235:
230:
228:
224:
220:
216:
211:
209:
205:
201:
200:mathematician
198:
194:
185:
179:
176:
174:
171:
170:
168:
164:
161:
158:
154:
151:
147:
146:Fritz Carlson
144:
142:
138:
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128:
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118:
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96:
93:
90:
86:
82:
78:
74:
64:
60:
56:
43:
39:
32:
27:
20:
908:Chi-Wang Shu
868:Donald Knuth
836:John M. Ball
796:Nancy Kopell
748:David Donoho
708:Carl de Boor
684:Andrew Majda
667:
636:JĂĽrgen Moser
556:Jule Charney
460:Lars Ahlfors
410:NADA History
405:
390:
379:. Retrieved
375:the original
345:(1994), and
284:
273:
252:
250:
231:
227:World War II
212:
192:
191:
130:Institutions
113:
67:(2005-02-08)
968:2005 deaths
963:1925 births
924:Yousef Saad
916:Leah Keshet
756:Eric Lander
219:Harald Bohr
160:Harald Bohr
124:Mathematics
80:Nationality
942:Categories
476:Jean Leray
381:2006-12-29
324:SIAM 1991
47:1925-01-16
572:René Thom
524:Peter Lax
347:Linköping
234:licentiat
73:Stockholm
468:Mark Kac
343:Helsinki
341:(1981),
301:See also
397:at the
349:(1996).
339:Hamburg
282:(IVA).
225:during
197:Swedish
83:Swedish
55:Uppsala
927:(2023)
919:(2022)
911:(2021)
903:(2020)
895:(2019)
887:(2018)
879:(2017)
871:(2016)
863:(2015)
855:(2014)
847:(2013)
839:(2012)
831:(2011)
823:(2010)
815:(2009)
807:(2008)
799:(2007)
791:(2006)
783:(2005)
775:(2004)
767:(2003)
759:(2002)
751:(2001)
743:(2000)
735:(1999)
727:(1998)
719:(1997)
711:(1996)
703:(1994)
695:(1992)
687:(1990)
679:(1989)
671:(1988)
663:(1987)
655:(1986)
647:(1985)
639:(1984)
631:(1983)
623:(1982)
615:(1981)
607:(1980)
599:(1979)
591:(1978)
583:(1977)
575:(1976)
567:(1975)
559:(1974)
551:(1971)
543:(1970)
535:(1969)
527:(1968)
519:(1967)
511:(1966)
503:(1965)
495:(1964)
487:(1963)
479:(1962)
471:(1961)
463:(1960)
289:, for
120:Fields
354:Notes
319:SIAM
259:and
242:BESK
62:Died
41:Born
293:of
944::
362:^
210:.
441:e
434:t
427:v
384:.
328:.
49:)
45:(
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