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The ℓ-adic dualizing complex on an excellent surface with rational singularities

✍ Scribed by Ting Li

Book ID
113057268
Publisher
Institute of Mathematics, Chinese Academy of Sciences and Chinese Mathematical Society
Year
2012
Tongue
English
Weight
280 KB
Volume
28
Category
Article
ISSN
1439-7617

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On the cotangent cohomology of rational
On the cotangent cohomology of rational surface singularities with almost reduced fundamental cycle
✍ Trond Stølen Gustavsen 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 182 KB

## Abstract We prove dimension formulas for the cotangent spaces __T__ ^1^ and __T__ ^2^ for a class of rational surface singularities by calculating a correction term in the general dimension formulas. We get that it is zero if the dual graph of the rational surface singularity __X__ does not cont