English

Perverse schobers and Orlov equivalences

Algebraic Geometry 2022-11-01 v2

Abstract

A perverse schober is a categorification of a perverse sheaf proposed by Kapranov--Schechtman. In this paper, we construct examples of perverse schobers on the Riemann sphere, which categorify the intersection complexes of natural local systems arising from the mirror symmetry for Calabi-Yau hypersurfaces. The Orlov equivalence plays a key role for the construction.

Keywords

Cite

@article{arxiv.2201.05902,
  title  = {Perverse schobers and Orlov equivalences},
  author = {Naoki Koseki and Genki Ouchi},
  journal= {arXiv preprint arXiv:2201.05902},
  year   = {2022}
}

Comments

32 pages, 2 figures, improvements based on the referee's comments

R2 v1 2026-06-24T08:51:12.086Z