English

Abrams' stabilization theorem for no-k-equal configuration spaces on graphs

Algebraic Topology 2026-01-23 v1 Combinatorics

Abstract

For a graph GG, let Conf(G,n)(G,n) denote the classical configuration space of nn labelled points in GG. Abrams introduced a cubical complex, denoted here by DConf(G,n)(G,n), sitting inside Conf(G,n)(G,n) as a strong deformation retract provided GG is suitably subdivided. Using discrete Morse Theory techniques, we extend Abrams' result to the realm of configurations having no kk-fold collisions.

Keywords

Cite

@article{arxiv.2407.07854,
  title  = {Abrams' stabilization theorem for no-k-equal configuration spaces on graphs},
  author = {Omar Alvarado-Garduño and Jesús González},
  journal= {arXiv preprint arXiv:2407.07854},
  year   = {2026}
}

Comments

23 pages, 4 figures

R2 v1 2026-06-28T17:36:04.349Z