WITHDRAWN: On the variation of the Randić index and the chromatic number of a graph

WITHDRAWN: On the variation of the Randi´c index and the chromatic number of a graph Jianwei Du ∗, Xiaoling Sun School of Science, North University of China, Taiyuan, Shanxi 030051, PR China This article has been withdrawn at the request of the author(s) and/or editor. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at https://www.elsevier.com/about/ our-business/policies/article-withdrawal

∗

Corresponding author. E-mail addresses: [email protected] (J. Du), [email protected] (X. Sun).

https://doi.org/10.1016/j.dam.2019.04.016 0166-218X/