Periodic modules and acyclic complexes

Silvana Bazzoni, Manuel Cortés Izurdiaga, Sergio Estrada

We study the behaviour of modules $M$ that fit into a short exact sequence $0\to M\to C\to M\to 0$, where $C$ belongs to a class of modules $\mathcal{C}$, the so-called $\mathcal{C}$…