English

Cycle decompositions in $k$-uniform hypergraphs

Combinatorics 2024-03-07 v3

Abstract

We show that kk-uniform hypergraphs on nn vertices whose codegree is at least (2/3+o(1))n(2/3 + o(1))n can be decomposed into tight cycles, subject to the trivial divisibility conditions. As a corollary, we show those graphs contain tight Euler tours as well. In passing, we also investigate decompositions into tight paths. In addition, we also prove an alternative condition for building absorbers for edge-decompositions of arbitrary kk-uniform hypergraphs, which should be of independent interest.

Keywords

Cite

@article{arxiv.2211.03564,
  title  = {Cycle decompositions in $k$-uniform hypergraphs},
  author = {Allan Lo and Simón Piga and Nicolás Sanhueza-Matamala},
  journal= {arXiv preprint arXiv:2211.03564},
  year   = {2024}
}

Comments

v3: including referee comments. Accepted to JCTB

R2 v1 2026-06-28T05:19:51.681Z