- In mathematics, a
semigroup is an
algebraic structure consisting of a set
together with an ****ociative
internal binary operation on it. The
binary operation...
-
computer science, an
action or act of a
semigroup on a set is a rule
which ****ociates to each
element of the
semigroup a
transformation of the set in such...
- mathematics, a
semigroup is a
nonempty set
together with an ****ociative
binary operation. A
special class of
semigroups is a
class of
semigroups satisfying...
- In mathematics, an
aperiodic semigroup is a
semigroup S such that
every element is aperiodic, that is, for each x in S
there exists a
positive integer...
- In
group theory, an
inverse semigroup (occasionally
called an
inversion semigroup) S is a
semigroup in
which every element x in S has a
unique inverse...
- an I-
semigroup and a *-
semigroup. A
class of
semigroups important in
semigroup theory are
completely regular semigroups;
these are I-
semigroups in which...
- In algebra, a
transformation semigroup (or
composition semigroup) is a
collection of
transformations (functions from a set to itself) that is
closed under...
-
Clifford semigroup (sometimes also
called "inverse
Clifford semigroup") is a
completely regular inverse semigroup. It is an
inverse semigroup with x x...
- In mathematics, the
bicyclic semigroup is an
algebraic object important for the
structure theory of
semigroups.
Although it is in fact a monoid, it is...
- In mathematics, a
catholic semigroup is a
semigroup in
which no two
distinct elements have the same set of inverses. The
terminology was
introduced by...
