English

All graphs have tree-decompositions displaying their topological ends

Combinatorics 2018-02-07 v5

Abstract

We show that every connected graph has a spanning tree that displays all its topological ends. This proves a 1964 conjecture of Halin in corrected form, and settles a problem of Diestel from 1992.

Keywords

Cite

@article{arxiv.1409.6640,
  title  = {All graphs have tree-decompositions displaying their topological ends},
  author = {Johannes Carmesin},
  journal= {arXiv preprint arXiv:1409.6640},
  year   = {2018}
}
R2 v1 2026-06-22T06:03:48.305Z