English

Dual exceptional collections on Lagrangian Grassmannians

Algebraic Geometry 2025-06-13 v2

Abstract

We construct graded left dual exceptional collections to the exceptional collections generating the blocks of Kuznetsov and Polishchuk on Lagrangian Grassmannians. As an application, we find explicit resolutions for some natural irreducible equivariant vector bundles.

Keywords

Cite

@article{arxiv.2301.02941,
  title  = {Dual exceptional collections on Lagrangian Grassmannians},
  author = {Anton Fonarev},
  journal= {arXiv preprint arXiv:2301.02941},
  year   = {2025}
}

Comments

v2: minor improvements, to appear in Sbornik: Mathematics