English

Quotients of flag varieties and their birational geometry

Algebraic Geometry 2025-12-12 v2

Abstract

We compute the Chow quotient of the complete flag variety of subspaces of a four dimensional complex vector space, show that it is smooth and a Mori Dream Space, and describe in detail its birational geometry.

Keywords

Cite

@article{arxiv.2509.05063,
  title  = {Quotients of flag varieties and their birational geometry},
  author = {Lorenzo Barban and Gianluca Occhetta and Luis E. Solá Conde},
  journal= {arXiv preprint arXiv:2509.05063},
  year   = {2025}
}

Comments

Improved version, 43 pages, 9 figures