transitive actions
1Actions de groupes — Action de groupe (mathématiques) Pour les articles homonymes, voir Action de groupe. Une action de groupe est, en mathématiques, une description algébrique d une famille de transformations géométriques d un espace, par exemple le groupe des… …
2Vertex-transitive graph — In mathematics, a vertex transitive graph is a graph G such that, given any two vertices v1 and v2 of G , there is some automorphism : f : V(G) → V(G) such that : f (v1) = v2. In other words, a graph is vertex transitive if its automorphism group …
3Group 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… …
4Subgroup growth — Im mathematics, subgroup growth is a branch of group theory, dealing with quantitative questions about subgroups of a given group. [citebook|title=Subgroup Growth|author=Alexander Lubotzky, Dan Segal|year=2003|publisher=Birkhäuser|id=ISBN… …
5(B, N) pair — In mathematics, a ( B , N ) pair is a structure on groups of Lie typethat allows one to give uniform proofs of many results, instead of giving a large number ofcase by case proofs. Roughly speaking, it shows that all such groups are similar to… …
6Ring (mathematics) — This article is about algebraic structures. For geometric rings, see Annulus (mathematics). For the set theory concept, see Ring of sets. Polynomials, represented here by curves, form a ring under addition and multiplication. In mathematics, a… …
7cajole — transitive verb (cajoled; cajoling) Etymology: French cajoler Date: 1630 1. a. to persuade with flattery or gentle urging especially in the face of reluctance ; coax < had to cajole …
8second-guess — transitive verb Date: 1941 1. to criticize or question actions or decisions of (someone) often after the results of those actions or decisions are known < meet almost every morning and, over coffee, second guess the local coach Bruce Newman >;… …
9ascribe — transitive verb (ascribed; ascribing) Etymology: Middle English, from Latin ascribere, from ad + scribere to write more at scribe Date: 15th century to refer to a supposed cause, source, or author • ascribable adjective Synonyms: ascribe,… …
10contradict — transitive verb Etymology: Latin contradictus, past participle of contradicere, from contra + dicere to say, speak more at diction Date: 1582 1. to assert the contrary of ; take issue with < contradict a rumor > 2. to imply the …
