English

On stability of diagonal actions and tensor invariants

Representation Theory 2011-01-10 v2 Algebraic Geometry Combinatorics

Abstract

For a connected simply connected semisimple algebraic group GG we prove existence of invariant tensors in tensor powers of rational GG-modules and establish relations between existence of such invariant tensors and stability of diagonal actions of GG on affine algebraic varieties.

Keywords

Cite

@article{arxiv.1101.0053,
  title  = {On stability of diagonal actions and tensor invariants},
  author = {Artem Anisimov},
  journal= {arXiv preprint arXiv:1101.0053},
  year   = {2011}
}

Comments

12 pages. This version has its references replaced with correct ones which have been kindly suggested by V. L. Popov