English

Almost invariant subspaces and operators

Representation Theory 2021-07-20 v1 Algebraic Geometry

Abstract

We give an elementary proof of an efficient version of the Wagner's theorem on almost invariant subspaces and deduce some consequences in the context of Galois extensions.

Keywords

Cite

@article{arxiv.2107.08085,
  title  = {Almost invariant subspaces and operators},
  author = {David Kazhdan and Alexander Polishchuk},
  journal= {arXiv preprint arXiv:2107.08085},
  year   = {2021}
}

Comments

7 pages

R2 v1 2026-06-24T04:16:32.430Z