English

Total outer-connected domination number of middle graphs

Combinatorics 2023-08-07 v1

Abstract

In this paper, we study the total outer-connected domination number of the middle graph of a simple graph and we obtain tight bounds for this number in terms of the order of the middle graph. We also compute the total outer-connected domination number of some families of graphs, explicitly. Moreover, some Nordhaus-Gaddum-like relations are presented for the total outer-connected domination number of middle graphs.

Keywords

Cite

@article{arxiv.2308.02127,
  title  = {Total outer-connected domination number of middle graphs},
  author = {Farshad Kazemnejad and Behnaz Pahlavsay and Elisa Palezzato and Michele Torielli},
  journal= {arXiv preprint arXiv:2308.02127},
  year   = {2023}
}
R2 v1 2026-06-28T11:47:51.696Z