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arXiv 0910.0535math.GRmath.GN
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关于含零幺半群的Brandt $λ^0$ -扩张

On the Brandt $λ^0$-extensions of monoids with zero

Oleg Gutik, Dušan Repovš

摘要:

研究了含零幺半群的Brandt $λ^0$ -扩张的代数性质以及含零幺半群的Brandt $λ^0$ -扩张之间的非平凡同态.在拓扑逆半群类中引入了拓扑半群的有限紧拓扑Brandt $λ^0$ -扩张和拓扑逆半群的可数紧拓扑Brandt $λ^0$ -扩张,并建立了拓扑幺半群的这类扩张的结构和这类拓扑Brandt $λ^0$ -扩张之间的非平凡连续同态.我们还描述了一个类别,其对象是成分的建设有限(紧,可数紧)拓扑勃兰特$λ^0$ -扩展的拓扑幺半群零。

英文摘要:

We study algebraic properties of the Brandt $λ^0$-extensions of monoids with zero and non-trivial homomorphisms between the Brandt $λ^0$-extensions of monoids with zero. We introduce finite, compact topological Brandt $λ^0$-extensions of topological semigroups and countably compact topological Brandt $λ^0$-extensions of topological inverse semigroups in the class of topological inverse semigroups and establish the structure of such extensions and non-trivial continuous homomorphisms between such topological Brandt $λ^0$-extensions of topological monoids with zero. We also describe a category whose objects are ingredients in the constructions of finite (compact, countably compact) topological Brandt $λ^0$-extensions of topological monoids with zeros.

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