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math.AC2008
Maps on Divisor Class Groups Induced by Ring Homomorphisms of Finite Flat Dimension
Sean Sather-Wagstaff, Sandra Spiroff
Let f: A\to B be a ring homomorphism between Noetherian normal integral domains. We establish a general criterion for f to induce a homomorphism Cl(f): Cl(A)\to Cl(B) on divisor cl…
math.AC2008
A zero divisor graph determined by equivalence classes of zero divisors
Sandra Spiroff, Cameron Wickham
We study the zero divisor graph determined by equivalence classes of zero divisors of a commutative Noetherian ring R. We demonstrate how to recover information about R from this s…