English

On total Springer representations for the symplectic Lie algebra in characteristic 2 and the exotic case

Representation Theory 2020-03-26 v3

Abstract

Let WW be the Weyl group of type BCnBC_n. We first provide restriction formulas of the total Springer representations for the symplectic Lie algebra in characteristic 2 and the exotic case to the maximal parabolic subgroup of WW which is of type BCn1BC_{n-1}. Then we show that these two restriction formulas are equivalent, and discuss how the results can be used to examine the existence of affine pavings of Springer fibers corresponding to the symplectic Lie algebra in characteristic 2.

Keywords

Cite

@article{arxiv.1909.01901,
  title  = {On total Springer representations for the symplectic Lie algebra in characteristic 2 and the exotic case},
  author = {Dongkwan Kim},
  journal= {arXiv preprint arXiv:1909.01901},
  year   = {2020}
}

Comments

comments welcome! v2: fixed typo v3: added examples in Section 14