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On infinite determinants of finite potent endomorphisms
finite potent endomorphisms math
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2010/11/15
The aim of this paper is to offer an algebraic definition of infinite determinants of finite potent endomorphisms. This allows to construct a central extension of groups that can be interpreted as a ...
on bi—closed subbands of a band and free idem potent sem irings
semigroup idempotent semiring band bi—closed subband
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2009/10/29
The bi—closed subbands of a band are introduced and its som e properties and characterizations are given．By using these results，the free object in the variety of idempotent semiringswhose additive red...