Idempotent elements in binary and s-ary magma monoids
Abstract
Abstract The idempotents elements of the magma monoid $$(\mathcal {M}(S), \triangleleft )$$ are characterized. The characterization is used to determine, when S has n elements, the number of idempotents in $$\mathcal {M}(S)$$ (also called $$\mathcal {M}(n)$$ ). A combinatorial argument is inferred and then this generalized principle is used in a larger setting, that is, analogs to the magma monoid are introduced for s -ary operations, and the generalized combinatorial principle is used to determine the number of idempotent elements in those new monomials.In addition, the kernel-cokernel decomposition of idempotents in the binary magma monoid is analyzed and its properties and relations with anticommutative and pseudo-anticommutative operations are established.
Fields of Study & Subjects
Advanced Algebra and Logic
semigroups and automata theory
Rings
Modules
and Algebras
Publication details
- Journal / source
- São Paulo Journal of Mathematical Sciences
- Publisher
- Springer Science and Business Media LLC
- Volume
- 20
- Issue
- 1
- Publication date
- 27 April 2026
- Language
- EN