Results 191 to 200 of about 254,909 (213)

Locally ample semigroup algebras

Asian-European Journal of Mathematics, 2014
An idempotent-connected abundant semigroup S is a locally ample semigroup if for any idempotent e of S, the local submonoid eSe of S is an ample subsemigroup of S. Clearly, an ample semigroup is a locally ample semigroup. In this paper, it is proved that the semigroup algebra of a finite locally ample semigroup is isomorphic to the semigroup algebra of
Guo, Xiaojiang, Shum, K. P.
openaire   +2 more sources

On semigroup-semisuperboolean algebras

Sci. Ann. Cuza Univ., 1995
Summary: We introduce and study a new type of algebraic structures called semigroup-semisuperboolean algebras which are semigroups over semisuperboolean algebras. Here we study and obtain some interesting properties about these new algebraic structures.
openaire   +2 more sources

On Algebraic and Semialgebraic Groups and Semigroups

Journal of Lie Theory, 1993
The author ``rewrites'' the following theorem. Let \(K\) denote an infinite base field, and \(P\) be the Hopf algebra of polynomial functions on \(GL(n;K)\). Assume that \(S\subseteq GL(n;K)\) is a subsemigroup, and \({\mathfrak a} =\text{ann}_ P S\) its annihilator ideal in the algebra \(P\).
openaire   +2 more sources

Comparison semigroups and algebras of transformations

Semigroup Forum, 2010
A set equipped with a certain quaternary comparison operation \((-,-)[-,-]\) is called a `comparison algebra'. A semigroup \((A,\cdot)\) equipped with a comparison operation \((-,-)[-,-]\) which satisfies the equalities \((a,b)[c,d]\cdot e=(a,b)[ce,de]\) and \(e\cdot(a,b)[c,d]=(ea,eb)[ec,ed]\) for all \(a,b,c,d,e\in A\), is called a `comparison ...
openaire   +1 more source

Representations of Foundation Semigroups and their Algebras

Canadian Journal of Mathematics, 1985
The aim of this paper is to extend to a suitable class of topological semigroups parts of well-defined theory of representations of topological groups. In attempting to obtain these results it was soon realized that no general theory was likely to be obtainable for all locally compact semigroups.
openaire   +2 more sources

Abundant Semigroup Algebras Which Are Azumaya

Semigroup Forum, 2021
exaly  

Cellularity of Some Semigroup Algebras

Bulletin of the Malaysian Mathematical Sciences Society, 2017
Yanfeng Luo
exaly  

Pseudo-Amenability of Certain Semigroup Algebras

Semigroup Forum, 2011
Abdolrasoul Pourabbas
exaly  

Approximate Biprojectivity of Certain Semigroup Algebras

Semigroup Forum, 2016
Abdolrasoul Pourabbas, Amir Sahami
exaly  

Pullbacks, C(X)-Algebras, and Their Cuntz Semigroup

Journal of Functional Analysis, 2011
Ramon Antoine, Francesc Perera
exaly