# Mutation equivalence of quivers

Given two orientations $Q, Q'$ of a Dyinkin diagram. Is it always true that after a sequence of mutations, $Q$ becomes $Q'$? Are the some references about this? Thank you very much.

• Maybe you should rather read carefully the original articles of Fomin and Zelevinsky, and come back here later. – F. C. Aug 31 '16 at 7:28