semicontinuous collection

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• Compact space — Compactness redirects here. For the concept in first order logic, see compactness theorem. In mathematics, specifically general topology and metric topology, a compact space is an abstract mathematical space whose topology has the compactness… …   Wikipedia

• Paracompact space — In mathematics, a paracompact space is a topological space in which every open cover admits a locally finite open refinement. Paracompact spaces are sometimes also required to be Hausdorff. Paracompact spaces were introduced by Dieudonné (1944).… …   Wikipedia

• Radon measure — In mathematics (specifically, measure theory), a Radon measure, named after Johann Radon, is a measure on the σ algebra of Borel sets of a Hausdorff topological space X that is locally finite and inner regular. Contents 1 Motivation 2 Definitions …   Wikipedia

• Distribution (differential geometry) — For other meanings, see Distribution (disambiguation). In differential geometry, a discipline within mathematics, a distribution is a subset of the tangent bundle of a manifold satisfying certain properties. Distributions are used to build up… …   Wikipedia

• Topological game — A topological game is an infinite positional game of perfect information played between two players on a topological space. Players choose objects with topological properties such as points, open sets, closed sets and open coverings. Time is… …   Wikipedia

• automation — /aw teuh may sheuhn/, n. 1. the technique, method, or system of operating or controlling a process by highly automatic means, as by electronic devices, reducing human intervention to a minimum. 2. a mechanical device, operated electronically,… …   Universalium

• beer — /bear/, n. 1. an alcoholic beverage made by brewing and fermentation from cereals, usually malted barley, and flavored with hops and the like for a slightly bitter taste. 2. any of various beverages, whether alcoholic or not, made from roots,… …   Universalium

• Beer — /bear/, n. Thomas, 1889 1940, U.S. author. * * * I Alcoholic beverage made usually from malted barley, flavoured with hops, and brewed by slow fermentation. Known from ancient times, beer was especially common in northern climates not conducive… …   Universalium

• geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… …   Universalium

• textile — /teks tuyl, til/, n. 1. any cloth or goods produced by weaving, knitting, or felting. 2. a material, as a fiber or yarn, used in or suitable for weaving: Glass can be used as a textile. adj. 3. woven or capable of being woven: textile fabrics. 4 …   Universalium

• Chip formation — The basic chip formation process. Chip formation is part of the process of cutting materials by mechanical means, using tools such as saws, lathes and milling cutters. An understanding of the theory and engineering of this formation is an… …   Wikipedia