Results 181 to 190 of about 24,881 (221)

On <i>t</i>-derivations of PMS-algebras. [PDF]

open access: yesF1000Res
Melese Kassahun N   +3 more
europepmc   +1 more source

Semigroup C⁎-Algebras and Amenability of Semigroups

open access: yesJournal of Functional Analysis, 2012
39 pages; corrected and revised version, new construction added in section ...
Xin Li
exaly   +4 more sources
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EMBEDDING SEMIGROUPS INTO GROUPS, AND THE ASPHERICITY OF SEMIGROUPS

International Journal of Algebra and Computation, 1993
Let \(G = [X,E]\) be a simple graph with vertex set \(X\) and edge set \(E\). For each edge \(e = \{x,y\}\), \(x,y\in X\), suppose we have a non-cancelled semigroup relation \(R_ e: R^{(\ell)}_ e = R^{(r)}_ e\), where \(R^{(\ell)}_ e\), \(R^{(r)}_ e\) are words on \(\{x,y\}\), both involving \(x\), \(y\). Theorem.
Jung R. Cho, Stephen J. Pride
openaire   +1 more source

Semigroup Varieties and Semigroup Algebras

Semigroup Forum, 1999
The author proves several results of the following flavour: given an important ring-theoretical property \(\Theta\), he describes (both structurally and in the language of identities) all semigroup varieties \(V\) such that for each (or for each finite, or for each locally finite) semigroup \(S\in V\), the semigroup algebra \(FS\) over a field \(F ...
openaire   +2 more sources

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