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The class of a torus in the Grothendieck ring of varieties

✍ Scribed by Rökaeus, Karl


Book ID
118226459
Publisher
John Hopkins University Press
Year
2011
Tongue
English
Weight
531 KB
Volume
133
Category
Article
ISSN
0002-9327

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Positivity in the Grothendieck group of
✍ Michel Brion 📂 Article 📅 2002 🏛 Elsevier Science 🌐 English ⚖ 199 KB

We prove a conjecture of A.S. Buch concerning the structure constants of the Grothendieck ring of a flag variety with respect to its basis of Schubert structure sheaves. For this, we show that the coefficients in this basis of the structure sheaf of any subvariety with rational singularities have al