The edge version of Hadwiger's conjecture
A well known conjecture of Hadwiger asserts that Kn + 1 is the only minor minimal graph of chromatic number greater than n. In this paper, all minor minimal graphs of chromatic index greater than n are determined. © 2008 Elsevier B.V. All rights reserved.
Publication Source (Journal or Book title)
Ding, G. (2009). The edge version of Hadwiger's conjecture. Discrete Mathematics, 309 (5), 1118-1122. https://doi.org/10.1016/j.disc.2007.12.017