- group relation
- групповое отношение
English-Russian dictionary of computer science and programming. 2013.
English-Russian dictionary of computer science and programming. 2013.
Group theory — is a mathematical discipline, the part of abstract algebra that studies the algebraic structures known as groups. The development of group theory sprang from three main sources: number theory, theory of algebraic equations, and geometry. The… … Wikipedia
Group marriage — Group marriage, also known as multi lateral marriage, is a form of polyamory in which more than two persons form a family unit, with all the members of the group marriage being considered to be married to all the other members of the group… … Wikipedia
Group — Group, v. t. [imp. & p. p. {Grouped}; p. pr. & vb. n. {Grouping}.] [Cf. F. grouper. See {Group}, n.] To form a group of; to arrange or combine in a group or in groups, often with reference to mutual relation and the best effect; to form an… … The Collaborative International Dictionary of English
Group — (gr[=oo]p), n. [F groupe, It. gruppo, groppo, cluster, bunch, packet, group; of G. origin: cf. G. kropf craw, crop, tumor, bunch. See {Crop}, n.] 1. A cluster, crowd, or throng; an assemblage, either of persons or things, collected without any… … The Collaborative International Dictionary of English
Group action — This article is about the mathematical concept. For the sociology term, see group action (sociology). Given an equilateral triangle, the counterclockwise rotation by 120° around the center of the triangle acts on the set of vertices of the… … Wikipedia
Group cohomology — This article is about homology and cohomology of a group. For homology or cohomology groups of a space or other object, see Homology (mathematics). In abstract algebra, homological algebra, algebraic topology and algebraic number theory, as well… … Wikipedia
Group selection — In evolutionary biology, group selection refers to the idea that alleles can become fixed or spread in a population because of the benefits they bestow on groups, regardless of the alleles effect on the fitness of individuals within that group.… … Wikipedia
Group isomorphism — In abstract algebra, a group isomorphism is a function between two groups that sets up a one to one correspondence between the elements of the groups in a way that respects the given group operations. If there exists an isomorphism between two… … Wikipedia
Group cohesiveness — In general terms, a group is said to be in a state of cohesion when its members possess bonds linking them to one another and to the group as a whole. According to Festinger, Schachter, and Back (1950), group cohesion was believed to develop from … Wikipedia
Group velocity — [ Frequency dispersion in bichromatic groups of gravity waves on the surface of deep water. The red dot moves with the phase velocity, and the green dots propagate with the group velocity. In this deep water case, the phase velocity is twice the… … Wikipedia
Group contribution method — A group contribution method is a technique to estimate and predict thermodynamic and other properties from molecular structures. Introduction In today s chemical processes many hundreds of thousands components are used either as raw material, as… … Wikipedia