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math.AC2022
Silting, cosilting, and extensions of commutative ring
Simion Breaz, Michal Hrbek, George Ciprian Modoi
We study the transfer of (co)silting objects in derived categories of module categories via the extension functors induced by a morphism of commutative rings. It is proved that the…
math.AC2018
Self-pure-generators over Dedekind domains
Simion Breaz
We prove that all pure submodules of a finite rank torsion-free module over a Dedekind domain are -generated if and only if has a rank direct summand such that $…