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There is a page named "Trivial semigroup" on Wikipedia
- In mathematics, a trivial semigroup (a semigroup with one element) is a semigroup for which the cardinality of the underlying set is one. The number of...2 KB (309 words) - 17:22, 30 September 2023
- semigroups. There are also interesting classes of semigroups that do not contain any groups except the trivial group; examples of the latter kind are bands...37 KB (4,675 words) - 07:50, 7 June 2024
- mathematics, a semigroup is a nonempty set together with an associative binary operation. A special class of semigroups is a class of semigroups satisfying...35 KB (428 words) - 13:11, 9 April 2023
- In mathematics, a null semigroup (also called a zero semigroup) is a semigroup with an absorbing element, called zero, in which the product of any two...4 KB (396 words) - 00:32, 1 January 2024
- non-equivalent semigroups, and OEIS: A023814 the number of associative binary operations, out of a total of nn2, determining a semigroup. Empty semigroup Trivial semigroup...12 KB (955 words) - 11:53, 18 July 2024
- Nilsemigroup (redirect from Nilpotent semigroup)cardinality of S. The zero is the only idempotent of S. The trivial semigroup of a single element is trivially a nilsemigroup. The set of strictly upper triangular...3 KB (427 words) - 20:56, 28 July 2020
- The second property implies that the empty product—that is, the trivial semigroup of one element—belongs to each variety. Hence a variety is necessarily...10 KB (1,500 words) - 22:16, 18 January 2022
- contexts is group-free semigroup. In terms of Green's relations, a finite semigroup is aperiodic if and only if its H-relation is trivial. These two characterizations...2 KB (285 words) - 21:36, 10 August 2023
- addition and the natural ordering. Every semigroup can be considered as a posemigroup endowed with the trivial (discrete) partial order "=". A morphism...2 KB (213 words) - 10:05, 13 September 2020
- 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...9 KB (1,162 words) - 01:36, 20 December 2023
- presentation of a monoid (or a presentation of a semigroup) is a description of a monoid (or a semigroup) in terms of a set Σ of generators and a set of...5 KB (785 words) - 21:24, 18 January 2022
- Free monoid (redirect from Free Semigroup)and semigroups. It follows that every monoid (or semigroup) arises as a homomorphic image of a free monoid (or semigroup). The study of semigroups as images...22 KB (2,985 words) - 23:05, 23 February 2024
- Krohn–Rhodes theory (redirect from Finite semigroup)groups and finite aperiodic semigroups of which S is a divisor. All finite aperiodic semigroups have complexity 0, while non-trivial finite groups have complexity...19 KB (2,286 words) - 18:47, 16 August 2023
- Zero object (algebra) (redirect from Trivial algebra)element Empty semigroup Zero element List of zero terms David Sharpe (1987). Rings and factorization. Cambridge University Press. p. 10 : trivial ring. ISBN 0-521-33718-6...8 KB (939 words) - 11:50, 18 February 2023
- In mathematics, a cancellative semigroup (also called a cancellation semigroup) is a semigroup having the cancellation property. In intuitive terms, the...12 KB (1,445 words) - 08:27, 26 June 2024
- at least P.) In a semigroup S, the product of two subsets defines a structure of a semigroup on P(S), the power set of the semigroup S; furthermore P(S)...10 KB (1,276 words) - 15:53, 13 July 2022
- Generating set of a group (redirect from Generator (semigroup)){\displaystyle S} is a semigroup/monoid generating set of G {\displaystyle G} if G {\displaystyle G} is the smallest semigroup/monoid containing S {\displaystyle...11 KB (1,746 words) - 14:56, 16 May 2023
- Band (algebra) (redirect from Idempotent semigroup)In mathematics, a band (also called idempotent semigroup) is a semigroup in which every element is idempotent (in other words equal to its own square)...13 KB (1,779 words) - 01:51, 30 June 2023
- the structure admits no non-trivial congruence relations. The term is used differently in semigroup theory. A semigroup is said to be simple if it has...2 KB (235 words) - 21:56, 27 November 2023
- Monoid (category Semigroup theory)the trivial (one-element) monoid, which is also the trivial group. Every group is a monoid and every abelian group a commutative monoid. Any semigroup S...35 KB (4,447 words) - 08:24, 16 July 2024
- mechanistic processes in terms of algebraic concepts such as groups and semigroups to employing category theory, the most abstract and general of algebraic
- There are several other types of objects like this (e.g. "groupoids" and "semigroups",) obeying some of the group properties but not others. We won't cover