English

A geometric proof of the Brenti--Welker identity

Combinatorics 2026-05-21 v1

Abstract

We construct a hypersimplicial subdivision of the rr-dilation of the ii-th hypersimplex of dimension dd that provides a geometric proof of the Brenti--Welker identity.

Keywords

Cite

@article{arxiv.2605.21023,
  title  = {A geometric proof of the Brenti--Welker identity},
  author = {Ognjen Papaz},
  journal= {arXiv preprint arXiv:2605.21023},
  year   = {2026}
}