In this paper, we study commutative rings and commutative zero-divisor semi-groups determined by graphs. We have completely determined the commutativerings and commutative zero-divisor semigroups of all regular polyhedrons.2000 Mathematics Subject Classification: 20M14, 13M05, 05C90Key Words: Zero-divisor graph, zero-divisor semigroup, commutative ring,regular polyhedron.
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