English

Pieri type rules and $GL(2|2)$ tensor products

Representation Theory 2020-02-06 v3 Mathematical Physics math.MP

Abstract

We derive a closed formula for the tensor product of a family of mixed tensors using Deligne's interpolating category Rep(GL0)Rep(GL_{0}). We use this formula to compute the tensor product between any two maximal atypical irreducible GL(22)GL(2|2)-representations.

Keywords

Cite

@article{arxiv.1509.07443,
  title  = {Pieri type rules and $GL(2|2)$ tensor products},
  author = {Th. Heidersdorf and R. Weissauer},
  journal= {arXiv preprint arXiv:1509.07443},
  year   = {2020}
}

Comments

v3: Some beautifications. To appear in 'Algebra and Representation Theory' v2: Extended some results from n=2 to arbitrary n. Comments welcome

R2 v1 2026-06-22T11:04:46.380Z