
Special Issue in Honor of the 65th Birthday of
Prof. Do Sang Kim



Open 
Sehie Park
Various examples of the KKM spaces

Open 
ChienHao Huang, JeinShan Chen and ChuChin Hu
The Schatten pnorm on R^{n}

Open 
Jong Soo Jung
Strong convergence theorems for resolvents of accretive operators
and nonexpansive mappings in Banach spaces

Open 
Liguo Jiao, Bui Van Dinh Do Sang Kim and Min Yoon
Mixed type duality for a class of multiple objective optimization problems with an infinite number of constraints

Open 
Yaqin Wang, Yanlai Song and
Xiaoli Fang
Strong convergence of the split equality fixed point problem for asymptotically quasipseudocontractive operators

Open 
Jie Meng, Hosoo Lee and HyunMin Kim
On the extreme solutions of a class of nonlinear matrix equation


In Hyoun Kim, JungHyun Bae and YunHo Kim
Existence of a weak solution for discontinuous elliptic problems involving the fractional p( . )Laplacian


Nguyen Van Tuyen, YiBin Xiao and Ta Quang Son
On approximate KKT optimality conditions for coneconstrained vector optimization problems

Open 
Hidefumi Kawasaki
Completion of the proof of flatfoldability theorem for twist fold by KKM lemma

Open 
YouYoung Cho and GyeongMi Cho
Interiorpoint methods for P_*(κ)horizontal linear complementarity
problems


Jong Kyu Kim and Truong Minh Tuyen
New iterative methods for finding a common zero of a finite family of accretive operators in Banach spaces


Vu Thi Huong, JenChih Yao and Nguyen Dong Yen
Analyzing a maximum principle for finite horizon state constrained problems via parametric examples. part 1: Problems with unilateral state constraints


Mayumi Hojo and Wataru Takahashi
Fixed point and weak convergence theorems for noncommutative two extended generalized hybrid
mappings in Banach spaces


Tatiana Shitkovskaya, Zhe Hong, Do Sang Kim and GuangRi Piao
Approximate necessary optimality in fractional semiinfinite multiobjective optimization


Jiraprapa Munkong, Kasamsuk Ungchittrakool and Ali Farajzadeh
Auxiliary problem and iterative algorithm for perturbation of a generalized fuzzy mixed equilibrium problem in Hilbert spaces




LaiJiu Lin
Bilevel problems over split equality fixed point for finite families of countable nonlinear mappings


Gwi Soo Kim, Moon Hee Kim and Gue Myung Lee
On strict converse duality for fractional optimization problems


Wataru Takahashi, ChingFeng Wen and JenChih Yao
Strong convergence theorem for split common fixed point problem
and hierarchical variational inequality problem
in Hilbert spaces






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