Volume 20, Number 12, 2019
Contents


Special Issue in Memory of Professor Siegfried Schaible
 
Siegfried Schaible (1940-2014): Nicolas Hadjisavvas

Open Wataru Takahashi
The split common fixed point problem by hybrid methods for two infinite families of nonlinear mappings in Hilbert spaces

Open X. B. Li, X. L. Qin, S. Rezapour, J. C. Yao and S. H. Zakeri
Hybrid approximate proximal method for vector optimization problems

Open Liguo Jiao, Hyun-Min Kim, Jie Meng and Do Sang Kim
Representation of the normal cone and its applications in robust minimax programming problems

Open C. Gutiérrez
Optimality conditions for weak solutions of vector optimization problems through quasi interiors and improvement sets

Open Riccardo Cambini and Laura Carosi
Characterizing the generalized convexity of a quadratic fractional function

Open Ali Reza Doagooei, Thanh Tam Le and Christiane Tammer
Convexity in the framework of variable domination structures and applications in optimization


A. E. Al-Mazrooei, A. Latif and X. Qin
Approximation of solutions of split equilibrium problems with monotone and strictly psedocontractive operators

Yonghong Yao, Xiaowei Qin and Yeong-Cheng Liou
Constructive approximation of solutions to fixed point and quasi-variational inclusion problems

Open Nguyen Thi Thu Huong, Nguyen Ngoc Luan, Nguyen Dong Yen and Xiaopeng Zhao
The Borwein proper efficiency in linear fractional vector optimization

Open Nguyen Van Hung, Elisabeth Köbis and Vo Minh Tam
Existence conditions for set-valued vector quasi-equilibrium problems on Hadamard manifolds with variable domination structure and applications


Jun Zhang, Ming-Cheng Tsai and Ngai-Ching Wong
Norm of positive sum preservers of smooth Banach lattices and Lp(μ) spacess

Yonghong Yao, Mihai Postolache and Jen-Chih Yao
Convergence of an extragradient algorithm for fixed point and variational inequality problems

  Jinlu Li and Christiane Tammer
On nonlinear split ordered equilibrium problems

Christian Günther and Nicolae Popovici
Characterizations of explicitly quasiconvex vector functions w.r.t. polyhedral cones

Jiangxing Zhu, Chunhai Hu, Wei Ouyang and Xiaopeng Zhao
Uniform growth condition with respect to an admissible function

 
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