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THE COMPOSITION ALGEBRA AND THE COMPOSITION MONOID OF THE KRONECKER QUIVER

Published online by Cambridge University Press:  20 July 2005

ANDREW HUBERY
Affiliation:
Institut für Mathematik, Universität Paderborn, Warburger Strasse 100, 33098 Paderborn, Germanyhubery@math.upb.de
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Abstract

The Kronecker quiver $K$ is considered, and the relations for the specialisation at $q=0$ of the generic composition algebra are given, as well as those for Reineke's composition monoid. As a corollary, it is deduced that the composition monoid is a proper factor of the specialisation of the composition algebra. A normal form is also obtained for the varieties occurring in the composition monoid in terms of Schur roots.

Keywords

Type
Notes and Papers
Copyright
The London Mathematical Society 2005

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