Singular del Pezzo surfaces and isotropic flag varieties

arXiv (Cornell University) 2026 Preprint Open access

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Authors: Michele Bianco, Luis E. Solá Conde
DOI: 10.48550/arxiv.2601.08704
Cited by: 0

Abstract

We compute the Chow quotient of the complete flag variety of isotropic subspaces of a four dimensional complex vector space with respect to a skew/symmetric form, and show that it is a singular del Pezzo surface of degree four.

Fields of Study & Subjects

Algebraic Geometry and Number Theory Advanced Algebra and Geometry Advanced Combinatorial Mathematics

Publication details

Journal / source
arXiv (Cornell University)
Publication date
13 January 2026
Document type
Preprint