Differential operators and the Frobenius pull back of the tangent bundle on G/P

Citation
N. Lauritzen et V. Mehta, Differential operators and the Frobenius pull back of the tangent bundle on G/P, MANUSC MATH, 98(4), 1999, pp. 507-510
Citations number
5
Categorie Soggetti
Mathematics
Journal title
MANUSCRIPTA MATHEMATICA
ISSN journal
00252611 → ACNP
Volume
98
Issue
4
Year of publication
1999
Pages
507 - 510
Database
ISI
SICI code
0025-2611(199904)98:4<507:DOATFP>2.0.ZU;2-3
Abstract
In this paper we study the sheaf of differential operators D-X on a flag ma nifold X in characteristic p > 0. We generalize the non-vanishing theorem o f Haastert on the associated filtration of D-X. We make use of the lifting of X to characteristic zero and the complex geometry of X.