Orbit closures for representations of Dynkin quivers are regular in codimension two

Grzegorz ZWARA

doi:10.2969/jmsj/1158241938

Journal of the Mathematical Society of Japan

Online ISSN : 1881-1167
Print ISSN : 0025-5645
ISSN-L : 0025-5645

Orbit closures for representations of Dynkin quivers are regular in codimension two

Grzegorz ZWARA

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Keywords: module varieties, orbit closures, types of singularities

JOURNAL FREE ACCESS

2005 Volume 57 Issue 3 Pages 859-880

DOI https://doi.org/10.2969/jmsj/1158241938

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Abstract

We develop reductions for classifications of singularities of orbit closures in module varieties. Then we show that the orbit closures for representations of Dynkin quivers are regular in codimension two.

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