rees short exact sequences of s-posets
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abstract
in this paper the notion of rees short exact sequence for s-posets is introduced, and we investigate the conditions for which these sequences are left or right split. unlike the case for s-acts, being right split does not imply left split. furthermore, we present equivalent conditions of a right s-poset p for the functor hom(p;-) to be exact.
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Journal title:
journal of algebraic systemجلد ۴، شماره ۲، صفحات ۱۲۳-۱۳۴
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