Adolf Kneser — (March 19, 1862 January 24, 1930) was a German mathematician. He was born in Grüssow, Mecklenburg, Germany and died in Breslau, Germany (now Wrocław, Poland).He is the father of the mathematician Hellmuth Kneser and the grandfather of the… … Wikipedia
Four-vertex theorem — The Four vertex theorem states that the curvature function of a simple, closed plane curve has at least four local extrema (specifically, at least two local maxima and at least two local minima). The name of the theorem derives from the… … Wikipedia
Fundamental theorem of algebra — In mathematics, the fundamental theorem of algebra states that every non constant single variable polynomial with complex coefficients has at least one complex root. Equivalently, the field of complex numbers is algebraically closed.Sometimes,… … Wikipedia
Grushko theorem — In the mathematical subject of group theory, the Grushko theorem or the Grushko Neumann theorem is a theorem stating that the rank (that is, the smallest cardinality of a generating set) of a free product of two groups is equal to the sum of the… … Wikipedia
Martin Kneser — Martin Kneser, 1973 Born 21 January 1928(1928 … Wikipedia
Hellmuth Kneser — (April 16, 1898 August 23, 1973) was a German mathematician, who made notable contributions to group theory and topology. His most famous result may be his theorem on the existence of a prime decomposition for 3 manifolds. His proof originated… … Wikipedia
Envelope theorem — The envelope theorem is a basic theorem used to solve maximization problems in microeconomics. It may be used to prove Hotelling s lemma, Shephard s lemma, and Roy s identity. The statement of the theorem is:Consider an arbitrary maximization… … Wikipedia
List of mathematics articles (K) — NOTOC K K approximation of k hitting set K ary tree K core K edge connected graph K equivalence K factor error K finite K function K homology K means algorithm K medoids K minimum spanning tree K Poincaré algebra K Poincaré group K set (geometry) … Wikipedia
List of theorems — This is a list of theorems, by Wikipedia page. See also *list of fundamental theorems *list of lemmas *list of conjectures *list of inequalities *list of mathematical proofs *list of misnamed theorems *Existence theorem *Classification of finite… … Wikipedia
Oscillation theory — In mathematics, in the field of ordinary differential equations, a non trivial solution to an ordinary differential equation is called oscillating if it has an infinite number of roots, otherwise it is called non oscillating. The differential… … Wikipedia