FACTOR CATEGORIES AND INFINITE DIRECT SUMS
Alberto Facchini, Pavel Příhoda · DergiPark (Istanbul University) · 2009
Abstract. We give an improved categorical version of theWeak Krull-Schmidt Theorem for serial modules proved by the second author in [11]. The main improvement consists in the fact that it applies not only to serial modules, but also, more generally, to arbitrary direct summands of serial modules. The