English

Brown representability for directed graphs

Category Theory 2025-03-21 v3 Algebraic Topology Combinatorics

Abstract

We prove that any contravariant functor from the homotopy category of finite directed graphs to abelian groups satisfying the additivity axiom and the Mayer-Vietoris axiom is representable.

Cite

@article{arxiv.2003.07426,
  title  = {Brown representability for directed graphs},
  author = {Zachary McGuirk and Byungdo Park},
  journal= {arXiv preprint arXiv:2003.07426},
  year   = {2025}
}

Comments

Merged with other work. See arXiv:2503.14865 [math.AT]