Bull. Korean Math. Soc. 2010; 47(3): 455-465
Printed May 1, 2010
https://doi.org/10.4134/BKMS.2010.47.3.455
Copyright © The Korean Mathematical Society.
Yeol Je Cho, Guang He, and Nan-jing Huang
Gyeongsang National University, Neijiang Normal University, and Sichuan University
In this paper, by using the semi-order method, two new existence theorems of coupled quasi-solutions for a class of nonlinear operator equations in Banach spaces are proved under some suitable conditions.
Keywords: cone, partial order, mixed monotone operator, relatively weakly compact set, coupled quasi-solutions
MSC numbers: 47H10, 54H25
2023; 60(4): 905-913
2016; 53(6): 1879-1886
© 2022. The Korean Mathematical Society. Powered by INFOrang Co., Ltd