, Volume 16, Issue 6, pp 1787-1797,
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Degenerations of Algebras and Ranks of Grothendieck Groups

Abstract

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.