Standard objects in 2-braid groups

Libedinsky, Nicolas; Williamson, Geordie

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2013

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Libedinsky, Nicolas;
Williamson, Geordie;

Abstract

© 2014 London Mathematical Society. For any Coxeter system, we establish the existence (conjectured by Rouquier) of analogues of standard and costandard objects in 2-braid groups. This generalizes a known extension vanishing formula in the BGG category O.

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URI: https://repositorio.uchile.cl/handle/2250/156471
DOI: 10.1112/plms/pdu022
ISSN: 1460244X
00246115

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Proceedings of the London Mathematical Society, Volumen 109, Issue 5, 2018, Pages 1264-1280

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