defining group
31Minority group — A minority is a sociological group within a demographic. The demographic could be based on many factors from ethnicity, gender, wealth, power, etc. The term extends to numerous situations, and civilizations within history, despite the misnomer of …
32Core (group) — In group theory, a branch of mathematics, a core is any of certain special normal subgroups of a group. The two most common types are the normal core of a subgroup and the p core of a group. Contents 1 The normal core 1.1 Definition 1.2… …
33Hyperbolic group — In group theory, a hyperbolic group, also known as a word hyperbolic group, Gromov hyperbolic group, negatively curved group is a finitely generated group equipped with a word metric satisfying certain properties characteristic of hyperbolic… …
34Out-group homogeneity — The outgroup homogeneity effect is one s perception of out group members as more similar to one another than are in group members. I.e. they are alike; we are diverse .[1] The outgroup homogeneity effect, or relative outgroup homogeniety has been …
35Homotopy group — In mathematics, homotopy groups are used in algebraic topology to classify topological spaces. The base point preserving maps from an n dimensional sphere (with base point) into a given space (with base point) are collected into equivalence… …
36Quantum group — In mathematics and theoretical physics, quantum groups are certain noncommutative algebras that first appeared in the theory of quantum integrable systems, and which were then formalized by Vladimir Drinfel d and Michio Jimbo. There is no single …
37Word (group theory) — In group theory, a word is any written product of group elements and their inverses. For example, if x , y , and z are elements of a group G , then xy , z 1 xzz , and y 1 zxx 1 yz 1 are words in the set { x , y , z }. Words play an important role …
38Species group — A species group is an informal taxonomic rank into which an assemblage of closely related species within a genus are grouped because of their morphological similarities[1][2] and their identity as a biological unit with a single monophyletic… …
39Eurasia Group — is a global political risk consultancy, founded in 1998.Infobox Company company name = Eurasia Group company type = Corporation company company slogan = Defining the Business of Politics foundation = 1998 location = Headquartered in New York City …
40Absolute presentation of a group — In mathematics, one method of defining a group is by an absolute presentation.B. Neumann, The isomorphism problem for algebraically closed groups, in: Word Problems, Decision Problems, and the Burnside Problem in Group Theory, Amsterdam London… …
