English

Canonical tree-decompositions of finite graphs II. Essential parts

Combinatorics 2014-04-25 v2

Abstract

In Part I of this series we described three algorithms that construct canonical tree-decompositions of graphs which distinguish all their k-blocks and tangles of order k. We now establish bounds on the number of parts in these decompositions that contain no such block or tangle, and determine conditions under which such parts contain nothing but a k-block.

Keywords

Cite

@article{arxiv.1305.4909,
  title  = {Canonical tree-decompositions of finite graphs II. Essential parts},
  author = {Johannes Carmesin and Reinhard Diestel and Matthias Hamann and Fabian Hundertmark},
  journal= {arXiv preprint arXiv:1305.4909},
  year   = {2014}
}

Comments

15 pages, 3 figures