Characterizing semigroups $X$ with commutative extensions $\varphi(X)$, $\lambda(X)$, $N_2(X)$, $\upsilon(X)$
Group Theory
2014-12-04 v1 Commutative Algebra
Abstract
We characterize semigroups whose semigroups of filters , maximal linked systems , linked upfamilies , and upfamilies are commutative.
Keywords
Cite
@article{arxiv.1303.4606,
title = {Characterizing semigroups $X$ with commutative extensions $\varphi(X)$, $\lambda(X)$, $N_2(X)$, $\upsilon(X)$},
author = {Taras Banakh and Volodymyr Gavrylkiv},
journal= {arXiv preprint arXiv:1303.4606},
year = {2014}
}
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16 pages