sebastian schlegel mejia

I am a PhD student at the University of Edinburgh. My advisor is Ben Davison.

Please don't hesitate to email:


see my arXiv , Google Scholar, or ORCID: 0000-0001-6782-2533

Listed in reverse chronological order. The links are to the arXiv pages.

  1. BPS algebras and generalised Kac–Moody algebras from 2-Calabi–Yau categories, joint with Ben Davison and Lucien Hennecart, March 2023
  2. BPS Lie algebras for totally negative 2-Calabi–Yau categories and nonabelian Hodge theory for stacks, joint with Ben Davison and Lucien Hennecart, December 2022 (submitted)
  3. BPS cohomology for rank 2 degree 0 Higgs bundles (and more), January 2022 (to appear in Journal of Algebra)

upcoming travel

September 2023, Lausanne, Conference "Categorified Enumerative Geometry and Representation Theory"