Krein — Cette page d’homonymie répertorie des personnes (réelles ou fictives) partageant un même patronyme. Alexander Krein (1883 1951), compositeur soviétique Mark Krein (1907 1989), mathématicien ukrainien Voir aussi Théorème de Krein Milman… … Wikipédia en Français
Krein — 1. Auf eine verkürzte Form des Heiligennamens Quirin zurückgehender Familienname. 2. Herkunftsname zu den Ortsnamen Krein (Bayern), Kreina (Sachsen), Kreien (Mecklenburg Vorpommern). 3. Krain … Wörterbuch der deutschen familiennamen
KREIN, ALEXANDER ABRAMOVICH — (1883–1951), composer. After Krein completed his studies at the Moscow Conservatory in 1908 (cello and composition), he was named professor at the same institution (1912–17). He was also secretary of the Russian Board of Education (1918–20), and… … Encyclopedia of Judaism
Krein–Milman theorem — In mathematics, more precisely in functional analysis, the Krein–Milman theorem is a statement about convex sets. A particular case of this theorem, which can be easily visualized, states that given a convex polygon, one only needs the corners of … Wikipedia
Krein, Alexander — (1883 1951) Russian composer, brother of Grigori Krein. He studied at the Moscow Conservatory, where he served as professor (1912 17). He was then secretary of the Russian Board of Education (1918 20), and a member of the board of the State… … Dictionary of Jewish Biography
Krein, Grigori — (1885 1955) Russian composer and violinist, brother of Alexander Krein. He studied in Moscow and later in Leipzig. From 1926 to 1934 he lived in Paris and later in Tashkent. A number of his compositions have a Jewish content … Dictionary of Jewish Biography
Mark Krein — Mark Grigorievich Krein The memorial plaque of Mark Krein Born … Wikipedia
Tannaka–Krein duality — In mathematics, Tannaka–Krein duality theory concerns the interaction of a compact topological group and its category of linear representations. Its natural extension to the non Abelian case is the Grothendieck duality theory. It extends an… … Wikipedia
Tannaka-Krein duality — In mathematics, Tannaka Krein duality theory concerns the interaction of a compact topological group and its category of linear representations. It extends an important mathematical duality between compact and discrete commutative topological… … Wikipedia
Alexander Krein — (born 20 October 1883 in Nizhny Novgorod died April 1951 in Staraya Ruza) was a Soviet composer of Jewish heritage. BackgroundThe Krein family was steeped in the klezmer tradition; his father Abram (who moved to Russia from Lithuania in 1870) was … Wikipedia
