English

Immanant varieties

Combinatorics 2023-10-12 v2 Algebraic Geometry

Abstract

We introduce immanant varieties, associated to simple characters of a finite group. They include well-studied classes of varieties, as Segre embeddings, Grassmannians and certain other classes of Chow varieties. For a one-dimensional character χ\chi, we define χ\chi-matroids by a maximality property. For trivial characters, by exploring the combinatorics of incidence stratifications, we provide a set of generators for the Chow vector spaces of the corresponding immanant varieties.

Keywords

Cite

@article{arxiv.2211.11634,
  title  = {Immanant varieties},
  author = {Davide Bolognini and Paolo Sentinelli},
  journal= {arXiv preprint arXiv:2211.11634},
  year   = {2023}
}
R2 v1 2026-06-28T06:23:34.082Z