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INVARIANT HILBERT SCHEMES AND DESINGULARIZATIONS OF QUOTIENTS BY CLASSICAL GROUPS

✍ Scribed by TERPEREAU, R.

Book ID: 121532560
Publisher: SP Birkhäuser Verlag Boston
Year: 2014
Tongue: English
Weight: 531 KB
Volume: 19
Category: Article
ISSN: 1083-4362
DOI: 10.1007/s00031-014-9253-1

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Invariant Hilbert schemes and desingularizations of symplectic reductions for classical groups

✍ Terpereau, Ronan 📂 Article 📅 2013 🏛 Springer-Verlag 🌐 French ⚖ 353 KB

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Let A = B G , where B is a Noetherian algebra over a field K of characteristic p = 0 and G is a finite group such that p divides |G|. We give estimates for the depth of A in terms of the codimension of the branch locus of the extension B/A.