The splitting problem for coalgebras: a direct approach
classification
🧮 math.RA
math.RT
keywords
directcoalgebrasproblemsplittingapproachcitedifferentdimensional
read the original abstract
In this note we give a different and direct short proof to a previous result of Nastasescu and Torrecillas in \cite{NT} stating that if the rational part of any right $C^*$ module $M$ is a direct sumand in $M$ then $C$ must be finite dimensional (the splitting problem for coalgebras).
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