Alternative letter-case form of Monster group

An Australian Aborigine social division, which is inherited from the mother and which determines who one can marry and how one relates to others.

Alternative form of skin group

(mathematics) A group such that every injective cellular automaton with the group elements as its cells is also surjective.

(mathematics) A topological semigroup that is algebraically a group.

a group of people who are approximately the same age and status, especially if they have the same interests

(mathematics) A subgroup of the isometry group of a root system, generated by reflections through the hyperplanes orthogonal to the roots.

(mathematics) A group of Lie type over a finite field constructed from an exceptional automorphism of a Dynkin diagram that reverses the direction of the multiple bonds, generalizing the Suzuki group.

(biology, evolution) A form of natural selection whereby traits that may be disadvantageous to the individual can be propagated when they are advantageous to the survival of a group as a whole.

(mathematics, geometry, group theory) Any of a class of groups whose finite cases are precisely the finite reflection groups (including the symmetry groups of polytopes), but which are more varied in their infinite cases, and whose range of application encompasses various areas of mathematics.