Let M,N be finite-dimensional modules over a finite-dimensional k-algebra R. For any field K ⊇ k, show that MK and NK have a common composition factor as RK-modules iff M and N have a common composition factor as R-modules.
Going back to school after summer vacation is not the easiest thing to do. In fact, it takes more mental…
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It's hard to get straightforward feedback for programming assignments, usually it's like pulling teeth when you just want to flat out see where you went wrong so you can improve. Worth the (reasonable) payment. 5/5