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K -theory of twisted differential operators on flag varieties

Identifieur interne : 001A77 ( Main/Exploration ); précédent : 001A76; suivant : 001A78

K -theory of twisted differential operators on flag varieties

Auteurs : Martin P. Holland [Royaume-Uni] ; Patrick Polo [France]

Source :

RBID : ISTEX:A3691F0024B2166F0B426C2B728816972405BB17

English descriptors

Abstract

Abstract: Let $$\mathfrak{g}$$ be a semisimple Lie algebra overk, an algebraically closed field of characteristic zero, and let $$\mathfrak{h} \subset \mathfrak{b}$$ be a Cartan subalgebra inside a Borel subalgebra of $$\mathfrak{g}$$ . LetU be the enveloping algebra of $$\mathfrak{g}$$ . For $$\mu \in \mathfrak{h} * $$ letM(μ) denote the corresponding Verma modúle and letU u=U/AnnM(μ). LetW be the Weyl group and letW μ 0 be the stabiliser of μ inW. We prove the following theorem, which affirms a conjecture of T.J. Hodges.

Url:
DOI: 10.1007/BF01232383


Affiliations:


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Le document en format XML

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<div type="abstract" xml:lang="en">Abstract: Let $$\mathfrak{g}$$ be a semisimple Lie algebra overk, an algebraically closed field of characteristic zero, and let $$\mathfrak{h} \subset \mathfrak{b}$$ be a Cartan subalgebra inside a Borel subalgebra of $$\mathfrak{g}$$ . LetU be the enveloping algebra of $$\mathfrak{g}$$ . For $$\mu \in \mathfrak{h} * $$ letM(μ) denote the corresponding Verma modúle and letU u=U/AnnM(μ). LetW be the Weyl group and letW μ 0 be the stabiliser of μ inW. We prove the following theorem, which affirms a conjecture of T.J. Hodges.</div>
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