作者
Rachid El Maaouy
发表日期
2022/5/24
研讨会论文
First International Days of Algebra, Number Theory and Applications - Fez
简介
For an R-module C, we use AddR (C)(resp., ProdR (C)) to denote the class of all R-modules which are isomorphic to direct summands of direct sums (resp., products) of copies of C. We use C+ to denote the character of C, C+= HomZ (C, Q/Z).
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