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Representation Theory

Published by the American Mathematical Society, the Representation Theory (ERT) is devoted to research articles of the highest quality in all areas of pure and applied mathematics.

ISSN 1088-4165

The 2020 MCQ for Representation Theory is 0.7.

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Homological approach to the Hernandez-Leclerc construction and quiver varieties
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by Giovanni Cerulli Irelli, Evgeny Feigin and Markus Reineke PDF
Represent. Theory 18 (2014), 1-14 Request permission

Abstract:

In a previous paper the authors have attached to each Dynkin quiver an associative algebra. The definition is categorical and the algebra is used to construct desingularizations of arbitrary quiver Grassmannians. In the present paper we prove that this algebra is isomorphic to an algebra constructed by Hernandez-Leclerc defined combinatorially and used to describe certain graded Nakajima quiver varieties. This approach is used to get an explicit realization of the orbit closures of representations of Dynkin quivers as affine quotients.
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Additional Information
  • Giovanni Cerulli Irelli
  • Affiliation: Mathematisches Institut, Universität Bonn, Bonn, Germany 53115
  • Email: cerulli.math@googlemail.com
  • Evgeny Feigin
  • Affiliation: Department of Mathematics, National Research University Higher School of Economics, Russia, 117312, Moscow, Vavilova str. 7 – and – Tamm Department of Theoretical Physics, Lebedev Physics Institute, Russia
  • Email: evgfeig@gmail.com
  • Markus Reineke
  • Affiliation: Fachbereich C - Mathematik, Bergische Universität Wuppertal, D - 42097 Wuppertal, Germany
  • MR Author ID: 622884
  • Email: reineke@math.uni-wuppertal.de
  • Received by editor(s): March 13, 2013
  • Received by editor(s) in revised form: October 17, 2013
  • Published electronically: January 13, 2014
  • © Copyright 2014 American Mathematical Society
  • Journal: Represent. Theory 18 (2014), 1-14
  • MSC (2010): Primary 14L30, 14M15, 16G20, 18F99
  • DOI: https://doi.org/10.1090/S1088-4165-2014-00449-7
  • MathSciNet review: 3149614