English

Combinatorial Properties and Recognition of Unit Square Visibility Graphs

Computational Geometry 2017-10-23 v2 Computational Complexity

Abstract

Unit square (grid) visibility graphs (USV and USGV, resp.) are described by axis-parallel visibility between unit squares placed (on integer grid coordinates) in the plane. We investigate combinatorial properties of these graph classes and the hardness of variants of the recognition problem, i.e., the problem of representing USGV with fixed visibilities within small area and, for USV, the general recognition problem.

Keywords

Cite

@article{arxiv.1706.05906,
  title  = {Combinatorial Properties and Recognition of Unit Square Visibility Graphs},
  author = {Katrin Casel and Henning Fernau and Alexander Grigoriev and Markus L. Schmid and Sue Whitesides},
  journal= {arXiv preprint arXiv:1706.05906},
  year   = {2017}
}
R2 v1 2026-06-22T20:22:36.375Z