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Subregular representations of Sln and simple singularities of type An−1
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Gordon, I. (Iain) and Rumynin, Dmitriy. (2003) Subregular representations of Sln and simple singularities of type An−1. Compositio Mathematica, Vol.13 (No.3). pp. 337360. ISSN 0010437X

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Official URL: http://dx.doi.org/10.1023/A:1027381710548
Abstract
Alexander Premet has stated the following problem: what is a relation between subregular nilpotent representations of a classical semisimple restricted Lie algebra and noncommutative deformations of the corresponding singularities? We solve this problem for type A.
Item Type:  Journal Article 

Subjects:  Q Science > QA Mathematics 
Divisions:  Faculty of Science > Mathematics 
Library of Congress Subject Headings (LCSH):  Lie algebras, Noncommutative algebras, Singularities (Mathematics), Artin rings, Deformations of singularities 
Journal or Publication Title:  Compositio Mathematica 
Publisher:  Cambridge University Press 
ISSN:  0010437X 
Official Date:  September 2003 
Volume:  Vol.13 
Number:  No.3 
Page Range:  pp. 337360 
Identification Number:  10.1023/A:1027381710548 
Status:  Peer Reviewed 
Access rights to Published version:  Open Access 
Funder:  Fifth Framework Programme (European Commission) (FP5), Mathematical Sciences Research Institute (Berkeley, Calif.) (MSRI), Engineering and Physical Sciences Research Council (EPSRC) 
Grant number:  GR/M68886 (EPSRC), GR/M75037 (EPSRC), ERB FMRXCT97 0100 (FFP) 
References:  1. Bavula, V. V.: Finitedimensionality of Extn and Torn of simple modules over a class of algebras, Funct. Anal. Appl. 25(3) (1991), 229–230. 
URI:  http://wrap.warwick.ac.uk/id/eprint/772 
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