weakly compact set
111Classifying space — In mathematics, specifically in homotopy theory, a classifying space BG of a topological group G is the quotient of a weakly contractible space EG (i.e. a topological space for which all its homotopy groups are trivial) by a free action of G. It… …
112A Chipmunk Christmas — is an animated christmas television special based on characters from Alvin and the Chipmunks. It aired on the NBC television network in 1981, nine years after the death of Alvin and the Chipmunks creator Ross Bagdasarian, Sr. (also known as David …
113Naimark's dilation theorem — In operator theory, Naimark s dilation theorem is a result that characterizes positive operator valued measures. It can be viewed as a consequence of Stinespring s dilation theorem. Contents 1 Note 2 Some preliminary notions 3 Naimark s theorem …
114HD DVD — Media type High density optical disc Encoding …
115Soliton — In mathematics and physics, a soliton is a self reinforcing solitary wave (a wave packet or pulse) that maintains its shape while it travels at constant speed. Solitons are caused by a cancellation of nonlinear and dispersive effects in the… …
116Harmonic function — In mathematics, mathematical physics and the theory of stochastic processes, a harmonic function is a twice continuously differentiable function f : U rarr; R (where U is an open subset of R n ) which satisfies Laplace s equation,… …
117Apache — Infobox Ethnic group group = Apache poptime = 31,000+Fact|date=October 2007 popplace = Arizona, New Mexico and Oklahoma rels = Shamanism, Christianity langs = Chiricahua, Jicarilla, Lipan, Plains Apache, Mescalero, Western Apache related =… …
118Mixing (mathematics) — In mathematics, mixing is an abstract concept originating from physics: the attempt to describe the irreversible thermodynamic process of mixing in the everyday world: mixing paint, mixing drinks, etc. The concept appears in ergodic theory the… …
119Left recursion — In computer science, left recursion is a special case of recursion. In terms of context free grammar, a non terminal r is left recursive if the left most symbol in any of r’s ‘alternatives’ either immediately (direct left recursive) or through… …
120Physical cosmology — This article is about the physics subject. For other uses, see Cosmology. Physical cosmology …
