Feng Qi
Research Institute of Mathematical Inequality Theory
Henan Polytechnic University
Jiaozuo City
Henan Province 454010
China
qifeng@hpu.edu.cn
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Bai-Ni Guo
Research Institute of Mathematical Inequality Theory
Henan Polytechnic University
Jiaozuo City
Henan Province 454010
China
guobaini@hpu.edu.cn
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Chao-Ping Chen
Research Institute of Mathematical Inequality Theory
Henan Polytechnic University
Jiaozuo City
Henan Province 454010
China
chenchaoping@hpu.edu.cn
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