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Koszul Duality for Quasi-split Real Groups

Representation Theory 2025-08-05 v7 Algebraic Geometry

Abstract

We establish a categorical version of Vogan duality for quasi-split real groups. This proves a conjecture of Soergel in the quasi-split case.

Keywords

Cite

@article{arxiv.1510.08343,
  title  = {Koszul Duality for Quasi-split Real Groups},
  author = {Roman Bezrukavnikov and Kari Vilonen},
  journal= {arXiv preprint arXiv:1510.08343},
  year   = {2025}
}

Comments

This version contains a post-publication correction: erroneous Lemma 3.9 has been replaced by an alternative argument. All other statements remain unchanged

R2 v1 2026-06-22T11:31:09.870Z