Перегляд за автором "Sagi, S."

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  • Sagi, S. (Algebra and Discrete Mathematics, 2013)
    A convolution is a mapping C of the set Z⁺ of positive integers into the set P(Z⁺) of all subsets of Z⁺ such that every member of C(n) is a divisor of n. If for any n, D(n) is the set of all positive divisors of n, then D ...