geometric quotient
111Poincaré duality — In mathematics, the Poincaré duality theorem, named after Henri Poincaré, is a basic result on the structure of the homology and cohomology groups of manifolds. It states that if M is an n dimensional compact oriented manifold, then the k th… …
112RH Bing — (October 20, 1914 April 28, 1986) was an influential American mathematician. He worked mainly in the area of topology, where he made many important contributions. His influence can be seen through the number of mathematicians that can trace their …
113Classical group — For the book by Weyl, see The Classical Groups. Lie groups …
114mathematics, East Asian — Introduction the discipline of mathematics as it developed in China and Japan. When speaking of mathematics in East Asia, it is necessary to take into account China, Japan, Korea, and Vietnam as a whole. At a very early time in their… …
115average — n Average, mean, median, norm, par denote something and usually a number, a quantity, or a condition that represents a middle point between extremes. Of these words average, mean, median, and par are also used as adjectives. Average is an… …
116Race and intelligence — Human intelligence Abilities and Traits …
117Topological space — Topological spaces are mathematical structures that allow the formal definition of concepts such as convergence, connectedness, and continuity. They appear in virtually every branch of modern mathematics and are a central unifying notion. The… …
118Asperger syndrome — Classification and external resources …
119Unitary group — In mathematics, the unitary group of degree n , denoted U( n ), is the group of n times; n unitary matrices, with the group operation that of matrix multiplication. The unitary group is a subgroup of the general linear group GL( n , C).In the… …
120Lorentz group — Group theory Group theory …
