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Krein (Russian: Крейн) is a surname.
Notable people with the
surname include:
Alexander Krein (1883–1951),
Soviet composer Howard Krein,
American plastic...
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Howard David Krein (born 1966/1967) is an
American otolaryngologist,
plastic surgeon, and
business executive. He is the
husband of
Ashley Biden, the daughter...
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issues in the 2020
presidential election. In 2010, she
began dating Howard Krein, a
plastic surgeon and otolaryngologist,
after her
brother Beau introduced...
- Mark
Grigorievich Krein (Ukrainian: Марко́ Григо́рович Крейн, Russian: Марк Григо́рьевич Крейн; 3
April 1907 – 17
October 1989) was a
Soviet mathematician...
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October 2021.
Retrieved 6
October 2021.
Kreins (2003), p.64
Michel Pauly,
Geschichte Luxemburgs 2013 p.65
Kreins (2003), p. 66
Michel Pauly, Geschichte...
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Julius Krein (born 1986) is an
American conservative political writer and
editor best
known for
founding the
journal American Affairs.
Krein was raised...
- In
mathematical analysis,
Krein's condition provides a
necessary and
sufficient condition for
exponential sums { ∑ k = 1 n a k exp ( i λ k x ) , a k...
- 24
September 2017. Kreins, p. 43
Kreins, p. 44
Kreins, p. 44-45
Kreins, p. 45
Kreins, p. 46
Kreins, p. 55-56
Kreins, p. 56 "Histoire de l'Archevêché de...
- analysis, the
Krein–Milman
theorem is a
proposition about compact convex sets in
locally convex topological vector spaces (TVSs).
Krein–Milman theorem—A...
- analysis, the
Krein–Rutman
theorem is a
generalisation of the Perron–Frobenius
theorem to infinite-dimensional
Banach spaces. It was
proved by
Krein and Rutman...
