-
Howard David Krein (born 1966/1967) is an
American otolaryngologist,
plastic surgeon, and
business executive. He is the
husband of
Ashley Biden, the daughter...
-
Krein (Russian: Крейн) is a surname.
Notable people with the
surname include:
Alexander Krein (1883–1951),
Soviet composer Howard Krein,
American plastic...
- Mark
Grigorievich Krein (Ukrainian: Марко́ Григо́рович Крейн, Russian: Марк Григо́рьевич Крейн; 3
April 1907 – 17
October 1989) was a
Soviet mathematician...
-
issues in the 2020
presidential election. In 2010, she
began dating Howard Krein, a
plastic surgeon and otolaryngologist,
after her
brother Beau introduced...
-
Julius Krein (born 1986) is an
American conservative political writer and
editor best
known for
founding the
journal American Affairs.
Krein was raised...
- In
probability theory, the Markov–
Krein theorem gives the best
upper and
lower bounds on the
expected values of
certain functions of a
random variable...
- In mathematics, Tannaka–
Krein duality theory concerns the
interaction of a
compact topological group and its
category of
linear representations. It is...
- analysis, the
Krein–Milman
theorem is a
proposition about compact convex sets in
locally convex topological vector spaces (TVSs).
Krein–Milman theorem — A...
-
Krein-Smulian
theorem can
refer to two
theorems relating the
closed convex hull and
compactness in the weak topology. They are
named after Mark
Krein...
- 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...
