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A note on multiplicity of perfect modules of codimension one |
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| Authors: | Ken-ichi Yoshida |
| Affiliation: | Graduate School of Polymathematics , Nagoya University , Chikusa-ku, Nagoya, 464-01, Japan E-mail: yoshida@math.nagoya-u.ac.jp |
| Abstract: | In this note, we prove the following inequality for any perfect vl-module M of codimension one and for any maximal Buchsbaum A-module N of positive depth over a Cohen-Macaulay local ring A : e(M? N) ?μ(M).e(N) |
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