| On Retractable $S$-Acts |
| Received:October 08, 2011 Revised:February 20, 2012 |
| Key Words:
retractable $S$-acts monoid.
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| Abstract: |
| In this paper we introduce a class of right $S$-acts called retractable $S$-acts which are right $S$-acts with homomorphisms into their all subacts. We also give some classifications of monoids by comparing such acts with flatness properties. |
| Citation: |
| DOI:10.3770/j.issn:2095-2651.2012.04.002 |
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