| The universal cover of a monomial triangular algebra without multiple arrows (2008) | |||||||||||||||
Abstract | |||||||||||||||
| Let A be a basic connected finite dimensional algebra over an algebraically closed field k. Assuming that A is monomial and that the ordinary quiver Q of A has no oriented cycle and no multiple arrows, we prove that A admits a universal cover with group the fundamental group of the underlying space of Q. | |||||||||||||||
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