English

The center of SL2 tilting modules

Representation Theory 2023-06-22 v2 Quantum Algebra

Abstract

In this note we compute the centers of the categories of tilting modules for G=SL2 in prime characteristic, of tilting modules for the corresponding quantum group at a complex root of unity, and of projective GgT-modules when g=1,2.

Cite

@article{arxiv.2004.10146,
  title  = {The center of SL2 tilting modules},
  author = {Daniel Tubbenhauer and Paul Wedrich},
  journal= {arXiv preprint arXiv:2004.10146},
  year   = {2023}
}

Comments

18 pages, some figures, revised version, to appear in Glasg. Math. J., comments welcome

R2 v1 2026-06-23T15:00:19.279Z