In social psychology and sociology, an in-group is a social group to which a person psychologically identifies as being a member. By contrast, an out-group ...

The concept of a group was elaborated for handling, in a unified way, many mathematical structures such as numbers, geometric shapes and polynomial roots.

Associative property · Rubik's Cube · Identity element · Inverse element

A group is a number of persons or things that are located, gathered, or classed together. Contents. 1 Groups of people; 2 Social science; 3 Science and ...

Mathematics · Out-group · Social group · Group (computing)

77 may refer to: 77 (number); one of the years 77 BC, AD 77, 1977, 2077 · 77 Frigga, a main-belt asteroid; Tatra 77, a sedan ...

In cladistics or phylogenetics, an outgroup is a more distantly related group of organisms that serves as a reference group when determining the ...

Episode 77: Wikipedia's Television Coverage: a Discussion with TV Scholar Jason Mittell ... All episodes, including options to automatically subscribe via RSS or ...

School band, a group of student musicians who rehearse and perform instrumental music. The Band, a Canadian-American rock and roll group. The Band (album) ...

Band (rock and pop) · Marching band · Bandage · Banding may refer to

In knot theory, an area of mathematics, the link group of a link is an analog of the knot group of a knot. They were described by John Milnor in his Ph.D.