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Paper Information

Journal:   IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION A- SCIENCE   2014 , Volume 38 , Number A2; Page(s) 117 To 121.
 
Paper: 

On Covers Of Acts Over Semigroups

 
 
Author(s):  Naghipoor M.A.*, Ershad M.
 
* DEPARTMENT OF MATHEMATICS, COLLEGE OF SCIENCES, SHIRAZ UNIVERSITY, SHIRAZ, IRAN
 
Abstract: 
Let S be a monoid and X a class of S-acts which is closed under coproducts. The object of this article is to find conditions under which all S-acts have X-precovering. We have shown that the existence of torsion-free precovering implies the existence of torsion-free covering. This work is an attempt to further facilitate the study of the conjecture that all S-acts have flat cover.
 
Keyword(s): PRECOVER OF ACT, COVER OF ACT, TORSION FREE ACT
 
 
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APA: Copy

NAGHIPOOR, M., & ERSHAD, M. (2014). ON COVERS OF ACTS OVER SEMIGROUPS. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION A- SCIENCE, 38(A2), 117-121. https://www.sid.ir/en/journal/ViewPaper.aspx?id=402574



Vancouver: Copy

NAGHIPOOR M.A., ERSHAD M.. ON COVERS OF ACTS OVER SEMIGROUPS. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION A- SCIENCE. 2014 [cited 2022January27];38(A2):117-121. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=402574



IEEE: Copy

NAGHIPOOR, M., ERSHAD, M., 2014. ON COVERS OF ACTS OVER SEMIGROUPS. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION A- SCIENCE, [online] 38(A2), pp.117-121. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=402574.



 
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