Abstract
Let R be semiperfect commutative Noetherian ring and C be a semidualizing R-module. The connection of the Serre condition (Sn) on a horizontally linked R-module of finite GC-dimension with the vanishing of certain cohomology modules of its linked module is discussed. As a consequence, it is shown that under some conditions Cohen–Macaulayness is preserved under horizontal linkage.
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