1. School of Mathematics and Statistics, Huanghuai University, Zhumadian 463000, China; 2. Zhengzhou Electronic Information Engineering College, Zhenzhou 450007, China
Contact:
ZHANG Zhen-kun (1969-), male, native of Runan, Henan, professor in Huanghuai University, engages in graph theory and combinatorial optimization;
E-mail: hhxyzzk@126.com
About author:ZHANG Zhen-kun (1969-), male, native of Runan, Henan, professor in Huanghuai University, engages in graph theory and combinatorial optimization; YE Xi-qiong (1975-), female, native of Xinyang, Henan,
associate professor of Zhengzhou Electronic Information Engineering College, engages in algebra.
Supported by:
Supported by Soft Science Foundation of Henan Province (Grant No. 192400410212) and
the Science and Technology Key Project of Henan Province of China (Grant No. 22210211008).
