English

Affine Springer Fibers and the Affine Matrix Ball Construction for Rectangular Type Nilpotents

Representation Theory 2020-08-21 v2 Combinatorics

Abstract

In this paper, we study the affine Springer fiber FlN\mathcal{F} l_N in type AA for rectangular type semisimple nil-element NN and calculate the relative position between irreducible components. In particular, we use the affine matrix ball construction to show the relative position map is compatible with the Kazhdan-Lusztig cell structure, generalizing the work of Steinberg and van Leeuwen.

Keywords

Cite

@article{arxiv.2007.14501,
  title  = {Affine Springer Fibers and the Affine Matrix Ball Construction for Rectangular Type Nilpotents},
  author = {Pablo Boixeda Alvarez and Li Ying and Guangyi Yue},
  journal= {arXiv preprint arXiv:2007.14501},
  year   = {2020}
}