Ring (mathematics)
Algebraic structure with addition and multiplication
general/algebraic-structures
Torsion-free abelian group
Abelian group with no non-trivial torsion elements
general/algebraic-structures
Monogenic semigroup
Semigroup generated by a single element
general/algebraic-structures
Inverse semigroup
general/algebraic-structures
Semigroup with involution
Semigroup in abstract algebra
general/algebraic-structures
Special classes of semigroups
Families of certain algebraic structures
general/algebraic-structures
Band (algebra)
Semigroup in which every element is idempotent
general/algebraic-structures
Matrix ring
Mathematical ring whose elements are matrices
general/algebraic-structures
Cancellative semigroup
Semigroup with the cancellation property
general/algebraic-structures
Near-semiring
general/algebraic-structures
Monus
Truncating subtraction on natural numbers, or a generalization thereof
general/algebraic-structures
Semigroup with two elements
Example of a Semigroup
general/algebraic-structures
Nowhere commutative semigroup
Algebraic structure in semigroup theory
general/algebraic-structures
Essential dimension
general/algebraic-structures
Semiring
Algebraic ring that need not have additive negative elements
general/algebraic-structures
Kasch ring
general/algebraic-structures
Near-ring
Algebraic structure in mathematics
general/algebraic-structures
N-ary group
general/algebraic-structures
Semifield
Algebraic structure
general/algebraic-structures
Completely regular semigroup
general/algebraic-structures
Composition ring
Algebraic structure
general/algebraic-structures
Trivial semigroup
Semigroup containing exactly one element
general/algebraic-structures
BCK algebra
general/algebraic-structures
Empty semigroup
Semigroup containing no elements
general/algebraic-structures