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Mat. Zametki, 2011 Volume 90, Issue 2, Pages 269–279 (Mi mzm8776)

GIT-Equivalence and Diagonal Actions

P. Yu. Kotenkova

M. V. Lomonosov Moscow State University

Abstract: In the paper, the GIT-equivalence classes of the linearized linear bundles for the diagonal actions of the linear algebraic groups $\operatorname{SL}(V)$ and $\operatorname{SO}(V)$ on the projective varieties $\mathbb{P}(V)^{m_1}\times\mathbb{P}(V^*)^{m_2}$ and $\mathbb{P}(V)^m$, respectively, are described explicitly.

Keywords: linearized linear bundle, projective variety, linear algebraic group, diagonal action, GIT-equivalence, Picard group, fan of cones, GIT-fan.

UDC: 512.745.2

Received: 17.02.2010
Revised: 18.10.2010

DOI: 10.4213/mzm8776


 English version:
Mathematical Notes, 2011, 90:2, 250–259

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