ABSTRACT Let R be a commutative ring with identity and let Z(R,k) be the set of all k-zero-divisors in R and k>2 an integer. The k-zero-divisor hypergraph of R, denoted… Click to show full abstract
ABSTRACT Let R be a commutative ring with identity and let Z(R,k) be the set of all k-zero-divisors in R and k>2 an integer. The k-zero-divisor hypergraph of R, denoted by âk(R), is a hypergraph with vertex set Z(R,k), and for distinct elements in Z(R,k), the set is an edge of âk(R) if and only if and the product of any (kâ1) elements of is nonzero. In this paper, we characterize all finite commutative nonlocal rings R with identity whose â3(R) has genus one.
               
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