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Biextensions by Indecomposable Modules of Derived Regular Length 2

Published online by Cambridge University Press:  04 December 2007

PETER DRÄXLER  and
ANDRZEJ SKOWROŃSKI
PETER DRÄXLER
Affiliation:
Fakultät f¨r Mathematik, Universität Bielefeld, POB 100131 Bielefeld, Germany. e-mail: [email protected]
ANDRZEJ SKOWROŃSKI
Affiliation:
Faculty of Mathematics and Informatics, Nicholas Copernicus University, Chopina 12/18, 87-100; e-mail: [email protected]
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Abstract

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We establish sufficient conditions for a biextension algebra of a piecewise hereditary algebra of type Ā$_n$ or D$_n$ by indecomposable modules of derived regular length 2 to be of tame representation type.

Keywords

biextension algebratame algebraderived category.
Type
Research Article
Information
Compositio Mathematica , Volume 117 , Issue 2 , June 1999 , pp. 205 - 221
Copyright
© 1999 Kluwer Academic Publishers