English

The Aizenbud-Lapid binary operation for symmetrizable Cartan types

Representation Theory 2024-08-26 v2

Abstract

Aizenbud and Lapid recently introduced a binary operation on the crystal graph B()B(-\infty) associated to a symmetric Cartan matrix. We extend their construction to symmetrizable Cartan matrices.

Cite

@article{arxiv.2311.17036,
  title  = {The Aizenbud-Lapid binary operation for symmetrizable Cartan types},
  author = {Markus Kleinau},
  journal= {arXiv preprint arXiv:2311.17036},
  year   = {2024}
}

Comments

16 pages, based on master thesis, comments welcome. V2:Added a rigidity assumption to the cancellation property. This was necessary to fix an error in the proof

R2 v1 2026-06-28T13:34:30.772Z