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Mark Kreyn

Mark Grigoriyevich Kreyn
Tavalludi 3-aprel 1907-yil
Kiyev, Rossiya Imperiyasi
Vafoti 17-oktyabr 1989-yil(1989-10-17)
(82 yoshda)
Odessa, Ukraina SSR, Sovet Ittifoqi
Istiqomat joylari Rossiya Imperiyasi
Sovet Ittifoqi
Fuqaroligi Sovet Ittifoqi
Sohasi Matematika
Ish joylari I. I. Mechnikov Odessa milliy universiteti
Odessa qurilish instituti
Akademik rahbarlari Nikolay Chebotaryov
Mashhur shogirdlari Vadym Adamyan
Israel Gohberg
David Milman
Mark Naimark
Mashhur ishlari Kreyn fazosi
Funksional tahlil
Kreyn's condition
Tannaka-Krein juftligi
Kreyn-Milman teoremasi
Mukofotlari Wolf mukofoti (1982)

Mark Grigoriyevich Kreyn (ruscha: Марк Григо́рьевич Крейн) (3-aprel 1907-yil — 17-oktyabr 1989-yil) — sovet matematigi. Kreyn algebra, tahlil, funksiyalar nazariyasi, funksional tahlil, integral va differensial tenglamalar nazariyasi, matematik fizika va analitik mexanika sohalaridagi 250 dan ortiq asarlar (shu jumladan 7 monografiya) muallifidir. 1982-yil Wolf mukofoti bilan taqdirlangan.

Kreyn Kiyevda injener-texnolog oilasida tugʻilgan. 26 yoshida professor boʻlgan, besh yildan soʻng 1939-yil fizika-matematika fanlari doktori, soʻngra Ukraina SSR Fanlar akademiyasining muxbir aʼzosi boʻlgan. Odessa, Kuybishev, Xarkov, Kiyev oʻquv muassasalarida va ilmiy-tadqiqot institutlarida ishlagan. 1930–1933-yillarda Odessa universitetlarida dars bergan, 1933-yilda tiklangan Odessa universitetida professor etib tayinlangan va funksiyalar nazariyasi kafedrasini tashkil qilib, unga rahbarlik qilgan. 1940-yilda Kiyevdagi Ukraina Fanlar akademiyasi qoshidagi Matematika institutining algebra va funksional tahlil boʻlimi boshligʻi etib tayinlangan.

Kreyn oʻz ishlarida funksional tahlilning zamonaviy gʻoyalarini Pafnutiy Chebishyov hamda Andrey Markovlarning klassik gʻoyalari bilan birlashtirgan. Olim 60 dan ortiq fan nomzodlari va doktorlarini tayyorlagan. Ikkinchi jahon urushidan oldingi yillarda Kreyn rahbarligi ostida Odessa matematika maktabi shakllangan.



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Mark Kreyn
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