Quasi-Frobenius Rings and Generalizations QF-3 and QF-1 Rings : Notes by Claus Michael Ringel

Preliminaries....Pages 1-5 Semi-perfect rings....Pages 5-22 Morita duality....Pages 22-40 Left QF-3 rings....Pages 40-53 The structure of QF-3 rings....Pages 53-71 Are noetherian, left QF-3 rings artinian, so QF-3?....Pages 72-90 Dominant dimension....Pages 91-104 Conjectures arising from Nakayama's conjecture....Pages 105-119 QF-3 rings and rings of finite representation type....Pages 120-130 The double centralizer condition....Pages 131-144 QF-13 rings....Pages 144-155 QF-3 rings and categories of projective modules....Pages 155-167 As each animal unbuttons its buttons another animal appears