**Group A** — In relation to motorsport governed by the FIA, Group A referred to a set of regulations providing production derived vehicles for outright competition. In contrast to the short lived Group B and the Group C, the Group A referred to production… … Wikipedia

**Group A streptococcal infection** — DiseaseDisorder infobox Name = Streptococcus, group A, as the cause of diseases classified to other chapters ICD10 = ICD10|B|95|0|b|95 ICD9 = The group A streptococcus bacterium ( Streptococcus pyogenes , or GAS ) is a form of Streptococcus… … Wikipedia

**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** — can refer to: Sociology * Group action (sociology) * Group behaviour * Groups of people, a description of various different human groups ** Peer group ** Workgroup * Group dynamics * Group (sociology), a sub set of a culture or of a society *… … Wikipedia

**Group (mathematics)** — This article covers basic notions. For advanced topics, see Group theory. The possible manipulations of this Rubik s Cube form a group. In mathematics, a group is an algebraic structure consisting of a set together with an operation that combines … Wikipedia

**A Tribe Called Quest** — Infobox musical artist Name = A Tribe Called Quest Img capt = Background = group or band Origin = New York City,Queens New York Genre = Jazz rap Alternative hip hop Years active = 1988–1998 2006–Present Label = Jive Records Associated acts = URL … 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 ring** — This page discusses the algebraic group ring of a discrete group; for the case of a topological group see group algebra, and for a general group see Group Hopf algebra. In algebra, a group ring is a free module and at the same time a ring,… … Wikipedia

**Group (sociology)** — In sociology, a group can be defined as two or more humans that interact with one another, accept expectations and obligations as members of the group, and share a common identity. By this definition, society can be viewed as a large group,… … Wikipedia

**Group extension** — In mathematics, a group extension is a general means of describing a group in terms of a particular normal subgroup and quotient group. If Q and N are two groups, then G is an extension of Q by N if there is a short exact sequence:1 ightarrow N… … Wikipedia