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چکیده
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In this study, R and M are assumed to be a commutative ring with non-zero identity M and an R-module, respectively. Scalar Product Graph of M, denoted by GR(M), is a graph with the vertex-set M and two different vertices a and b in M are connected if and only if there exists r belong to R such that a = rb or b = ra. This paper studies some properties of such weakly perfect graphs
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