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math.RA2019
On the radical of a Hecke-Kiselman algebra
Jan Okniński, Magdalena Wiertel
The Hecke-Kiselman algebra of a finite oriented graph over a field is studied. If is an oriented cycle, it is shown that the algebra is semiprime and its central locali…
math.RA2019
Combinatorics and structure of Hecke-Kiselman algebras
Jan Okniński, Magdalena Wiertel
Hecke-Kiselman monoids and their algebras , over a field , associated to finite oriented graphs are studied. In the case is a cycle of…