English

A Beilinson-Bernstein Theorem for analytic quantum groups

Quantum Algebra 2020-01-10 v3 Number Theory Representation Theory

Abstract

We introduce a pp-adic analytic analogue of Backelin and Kremnizer's construction of the quantum flag variety of a semisimple algebraic group, when qq is not a root of unity and q1<1| q-1|<1. We then define a category of λ\lambda-twisted DD-modules on this analytic quantum flag variety. We show that when λ\lambda is regular and dominant and when the characteristic of the residue field does not divide the order of the Weyl group, the global section functor gives an equivalence of categories between the coherent λ\lambda-twisted DD-modules and the category of finitely generated modules over Uqλ^\widehat{U_q^\lambda}, where the latter is a completion of the ad-finite part of the quantum group with central character corresponding to λ\lambda. Along the way, we also show that Banach comodules over the Banach completion Oq(B)^\widehat{\mathcal{O}_q(B)} of the quantum coordinate algebra of the Borel can be naturally identified with certain topologically integrable modules.

Keywords

Cite

@article{arxiv.1811.05417,
  title  = {A Beilinson-Bernstein Theorem for analytic quantum groups},
  author = {Nicolas Dupré},
  journal= {arXiv preprint arXiv:1811.05417},
  year   = {2020}
}

Comments

74 pages; added a full computation of global sections; section 3 is new; comments welcome

R2 v1 2026-06-23T05:14:16.833Z