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COHERENT POWER SERIES RING AND WEAK GORENSTEIN GLOBAL DIMENSION

Published online by Cambridge University Press:  25 February 2013

NAJIB MAHDOU ,
MOHAMMED TAMEKKANTE  and
SIAMAK YASSEMI
NAJIB MAHDOU
Affiliation:
Department of Mathematics, Faculty of Science and Technology of Fez, Box 2202, University S.M. Ben Abdellah Fez, Morocco e-mail: mahdou@hotmail.com
MOHAMMED TAMEKKANTE
Affiliation:
Department of Mathematics, Faculty of Science, Box 1014, University Mohammed V-Agdal Rabat, Morocco e-mail: tamekkante@yahoo.fr
SIAMAK YASSEMI
Affiliation:
Department of Mathematics, University of Tehran, and School of Mathematics, Institute for Research in Fundamental Sciences (IPM), P. O. Box 19395-5746, Tehran, Iran e-mail: yassemi@ipm.ir
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Abstract

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In this paper we compute the weak Gorenstein global dimension of a coherent power series ring. It is shown that the weak Gorenstein global dimension of R[[x]] is equal to the weak Gorenstein global dimension of R plus one, provided R[[x]] is coherent.

Keywords

13D0513D02
Type
Research Article
Information
Glasgow Mathematical Journal , Volume 55 , Issue 3 , September 2013 , pp. 533 - 536
Copyright
Copyright © Glasgow Mathematical Journal Trust 2013 

References

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