, Volume 16, Issue 6, pp 1787-1797,
Open Access This content is freely available online to anyone, anywhere at any time.
Date: 16 Oct 2012

Degenerations of Algebras and Ranks of Grothendieck Groups


A basic algebra A 0 is an idempotent rigid degeneration of a basic algebra A 1 if and only if it is a classical degeneration of A 1 and additionally rk K0(A 0) = rk K0(A 1).

Presented by Idun Reiten.
Supported by the Research Grant N N201 542138 of the Polish Ministry of Science and Higher Education.