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Ghika introduced the study of functional analysis in
Romania at a time when it was still a new field of mathematics. As a professor at the University of Bucharest, he was an important promoter of the
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In 1935, Ghika was elected corresponding member of the
Romania Academy of Sciences, being promoted to full member in 1938. In 1955 he became corresponding member of the
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Sur les fonctions de carrĂ© sommable le long des contours de leur domaines dâholomorphisme et leur applications aux Ă©quations diffĂ©rentielles linĂ©aires dâordre infini
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Sur les fonctions de carrĂ© sommable le long des contours de leur domaines dâholomorphisme et leur applications aux Ă©quations diffĂ©rentielles linĂ©aires dâordre infini
321:. On February 7, 1935, he was promoted to associate professor, and in 1945 he was named Full Professor and chair of the newly founded Functional Analysis section.
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After completing his doctorate, Ghika returned to
Romania. In November 1932 he became assistant professor in the Mathematics Department of the
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rigorous approach to mathematics. His collected works number 103 published articles and books, 10 manuscripts, and 25 didactic works.
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409:(now known as Ghika rings), which have the property that in any module over a ring in this class, the analogue of the
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in mathematics from the Faculté des
Sciences of the University of Paris, with thesis written under the direction of
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343:
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332:, he became the chair of the Functional Analysis section of that Institute, a position he held till his death.
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278:, the son of Ioan Ghika (1873–1949) and Elena Metaxa (1870–1951), and great-great-grandson of
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484:(Functional analysis), Editura Academiei Republicii Socialiste RomĂąnia, Bucharest, 1967.
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496:(Mathematical works), Editura Academiei Republicii Socialiste RomĂąnia, Bucharest, 1968.
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In March, 2007, the heirs of the Ghika and
Angelescu families won back their rights to
302:(the Sorbonne) with a major in mathematics, graduating in 1922. In 1929, he obtained a
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Ioan RoÈca (1999). "A variational proof of GhikaâJames representation theorem".
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472:, Acad. Repub. Pop. RomĂąne Bul. Èti. Ser. Mat. Fiz. Chim. 2 (1950), 399â405.
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His research in functional analysis introduced new concepts, such as
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The extension of general linear functionals in semi-normed modules
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460:, Acad. Repub. Pop. RomĂąne. Bul. Èti. A. 1 (1949), 639â644.
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Ghika married
Elisabeta Angelescu (daughter of one-time
447:, Ph.D. thesis, Faculté des Sciences de Paris, 1929.
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Dan Vuza (1979). "A generalisation of Ghika rings".
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Among his doctoral students were Silviu
Teleman and
317:, working in the Function Theory section chaired by
290:in Bucharest. In 1917, he left with his family for
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717:Gheorghe LazÄr National College (Bucharest) alumni
330:Institute of Mathematics of the Romanian Academy
195:Institute of Mathematics of the Romanian Academy
737:Academic staff of the University of Bucharest
600:, Gaz. Mat. Ser. A 70 (1965), 428–439.
251:(June 22, 1902 – April 11, 1964) was a
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747:Members of the Romanian Academy of Sciences
286:. He started his secondary studies at the
294:, completing his secondary studies at the
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569:"FraÈii PÄunescu au pierdut Hotelul Lido"
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550:In memoriam - Grigore Alexandru Ghica
360:Alexandru Ghika died in Bucharest of
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707:20th-century Romanian mathematicians
258:, founder of the Romanian school of
413:holds. He is also remembered for a
752:Deaths from lung cancer in Romania
16:Romanian mathematician (1902â1964)
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598:Alexandru Ghika (1902–1964)
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727:Romanian expatriates in France
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539:Mathematics Genealogy Project
298:in 1920. He then entered the
368:, founded in 1833 by Prince
344:Institute of Atomic Physics
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722:University of Paris alumni
458:On reflexive Banach spaces
366:Teiul Doamnei Ghica Church
288:Gheorghe LazÄr High School
81:Teiul Doamnei Ghica Church
70:Romanian People's Republic
702:Scientists from Bucharest
424:, now known as the Ghikaâ
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428:representation theorem.
645:An. Univ. BucureÈti Mat
594:Cabiria Andreian Cazacu
370:Grigore Alexandru Ghica
364:. He was buried at the
315:University of Bucharest
191:University of Bucharest
415:representation theorem
732:Mathematical analysts
596:, Romulus Cristescu,
154:Elena Metaxa (mother)
340:Constantin Angelescu
296:Lycée Louis-le-Grand
559:, at Cronica RomĂąna
482:AnalizÄ funcÈionalÄ
411:HahnâBanach theorem
300:University of Paris
284:Prince of Wallachia
260:functional analysis
151:Ioan Ghika (father)
118:Elisabeta Angelescu
102:Functional analysis
92:University of Paris
574:2007-03-11 at the
555:2007-03-08 at the
47:Kingdom of Romania
581:Evenimentul Zilei
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173:Scientific career
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319:Dimitrie Pompeiu
280:Grigore IV Ghica
220:Doctoral advisor
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65:(aged 61)
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523:Family tree
380: [
362:lung cancer
347: [
274:, into the
182:Mathematics
83:, Bucharest
68:Bucharest,
686:Categories
507:References
377:Hotel Lido
61:1964-04-12
36:1902-06-22
419:reflexive
272:Bucharest
43:Bucharest
572:Archived
553:Archived
453:42822939
396:Bourbaki
355:MÄgurele
253:Romanian
137:Children
657:1793252
630:0544469
605:0229501
537:at the
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489:0211242
477:0045319
465:0038015
145:Parents
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34: (
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390:Legacy
213:(1929)
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202:Thesis
179:Fields
162:Family
108:Spouse
439:Works
426:James
384:]
351:]
304:Ph.D.
292:Paris
124:(
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449:OCLC
417:for
266:Life
54:Died
29:Born
353:in
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626:MR
622:31
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602:MR
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515:^
498:MR
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382:ro
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349:ro
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126:m.
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405:-
403:F
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