Acyclic complexes and Gorenstein rings

Sergio Estrada, Alina Iacob, Holly Zolt

For a given class of modules $\mathcal{A}$, we denote by $\tilde{\mathcal{A}}$ the class of exact complexes $X$ having all cycles in $\mathcal{A}$, and by $dw(\mathcal{A})$ the…