ABSTRACT: that r(K a,b) = 2 (a, b ? 2) if and only if all the cycles of order 4 in K a,b are balanced. Using this result, we also prove that r(
Download PDF 58 Downloads 850 Views
* Corresponding author, E-mail: luyong@jsnu.edu.cn
Received 25 Sep 2020, Accepted 21 Jul 2021