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  • Kadu, Ganesh S.; Joshi, Vinayak; GONDE, SAMRUDDHA (Cambridge University Press, 2021-12)
    We prove that the annihilating-ideal graph of a commutative semigroup with unity is, in general, not weakly perfect. This settles the conjecture of DeMeyer and Schneider [‘The annihilating-ideal graph of commutative ...

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