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A Characterization of Semirings Which Are Subdirect Products of a Distributive Lattice and a Ring
Authors:S Ghosh
Institution:(1) Department of Mathematics, Southwest Normal University, Chongqing, 400715, P. R. China;(2) Department of Mathematics, Chinese University of Hong Kong, Hong Kong, P. R. China;(3) Department of Pure Mathematics, University of Calcutta, Calcutta, 700019, India
Abstract:E -inversive semiring and a Clifford semiring and show that a semiring S is a subdirect product of a distributive lattice and a ring if and only if S is an E-inversive strong distributive lattice of halfrings. Further a Clifford semiring which is, in fact, an inversive subdirect product of a distributive lattice and a ring, is characterized as a strong distributive lattice of rings. Finally, as a consequence of these results we extend a result of Galbiati and Veronesi 2] in the case of Boolean semirings.
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