Existence theorems for cone saddle points of vector-valued functions in infinite-dimensional spaces

1989 ◽  
Vol 62 (1) ◽  
pp. 127-138 ◽  
Author(s):  
T. Tanaka
2014 ◽  
Vol 2014 ◽  
pp. 1-5
Author(s):  
Tao Chen

A new existence result ofε-vector equilibrium problem is first obtained. Then, by using the existence theorem ofε-vector equilibrium problem, a weaklyε-cone saddle point theorem is also obtained for vector-valued mappings.


2011 ◽  
Vol 74 (16) ◽  
pp. 5766-5783 ◽  
Author(s):  
Ching-Yu Yang ◽  
Yu-Lin Chang ◽  
Jein-Shan Chen

1996 ◽  
Vol 89 (3) ◽  
pp. 731-747 ◽  
Author(s):  
K. K. Tan ◽  
J. Yu ◽  
X. Z. Yuan

Mathematics ◽  
2019 ◽  
Vol 7 (9) ◽  
pp. 809
Author(s):  
Wei-Shih Du

In this paper, we introduce the new concepts of K-adjustability convexity and strictly K-adjustability convexity which respectively generalize and extend the concepts of K-convexity and strictly K-convexity. We establish some new existence and uniqueness theorems of zeros for vector-valued functions with K-adjustability convexity. As their applications, we obtain existence theorems for the minimization problem and fixed point problem which are original and quite different from the known results in the existing literature.


2008 ◽  
Vol 42 (4) ◽  
pp. 577-586 ◽  
Author(s):  
Pirro Oppezzi ◽  
Anna Maria Rossi

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