borel class
31Normal number — For the floating point meaning in computing, see normal number (computing). In mathematics, a normal number is a real number whose infinite sequence of digits in every base b[1] is distributed uniformly in the sense that each of the b digit… …
32Quantum statistical mechanics — is the study of statistical ensembles of quantum mechanical systems. A statistical ensemble is described by a density operator S , which is a non negative, self adjoint, trace class operator of trace 1 on the Hilbert space H describing the… …
33Point process — In statistics and probability theory, a point process is a type of random process for which any one realisation consists of a set of isolated points either in time or geographical space, or in even more general spaces. For example, the occurrence …
34Set theory — This article is about the branch of mathematics. For musical set theory, see Set theory (music). A Venn diagram illustrating the intersection of two sets. Set theory is the branch of mathematics that studies sets, which are collections of objects …
35French literature — Introduction the body of written works in the French language produced within the geographic and political boundaries of France. The French language was one of the five major Romance languages to develop from Vulgar Latin as a result of the …
36Quantum logic — In mathematical physics and quantum mechanics, quantum logic is a set of rules for reasoning about propositions which takes the principles of quantum theory into account. This research area and its name originated in the 1936 paper by Garrett… …
37Generalized flag variety — In mathematics, a generalized flag variety (or simply flag variety) is a homogeneous space whose points are flags in a finite dimensional vector space V over a field F. When F is the real or complex numbers, a generalized flag variety is a smooth …
38Axiom schema of replacement — In set theory, the axiom schema of replacement is a schema of axioms in Zermelo Fraenkel set theory (ZFC) that asserts that the image of any set under any definable mapping is also a set. It is necessary for the construction of certain infinite… …
39Scientific phenomena named after people — This is a list of scientific phenomena and concepts named after people (eponymous phenomena). For other lists of eponyms, see eponym. NOTOC A* Abderhalden ninhydrin reaction Emil Abderhalden * Abney effect, Abney s law of additivity William de… …
40Perpetual Motion (short story) — Perpetual Motion is a science fiction short story written by L. Sprague de Camp, a story in his Viagens Interplanetarias series. It was first published under the title Wide Open Planet in the magazine Future in the issue for September October,… …
