6
$\begingroup$

Given a bound quiver $(Q, I)$ and a representation $M$ of $Q$, how to get the injective envelope and projective cover of $M$? how to give the corresponding essential monomorphism and superfluous epimorphism? Is there a general or specific method?

  • 0
    See my second answer to this question http://math.stackexchange.com/questions/142180/the-ext-functor-in-the-quiver-representation/165077#comment391329_1650772012-11-13

1 Answers 1