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Journal of Inequalities and Applications, ISSN 1025-5834, 12/2017, Volume 2017, Issue 1, pp. 1 - 7
In this paper, a new version of Ekeland’s variational principle by using the concept of τ... 
Analysis | equilibrium problem | Mathematics, general | Mathematics | bounded below | Applications of Mathematics | Ekeland’s variational principle | τ -distance | lower semicontinuous function | τ-distance | Research
Journal Article
Journal of mathematical analysis and applications, ISSN 0022-247X, 2012, Volume 389, Issue 1, pp. 1 - 14
Motivated by the recent work on conditional risk measures, this paper studies the Ekelandʼs variational principle for a proper, lower semicontinuous and lower bounded L... 
Random metric space | Random normed module | [formula omitted]-valued function | Bishop–Phelps theorem | Ekelandʼs variational principle | Lower semicontinuity | Bishop-Phelps theorem | 0-valued function | Ekeland's variational principle
Journal Article
Acta Mathematica Sinica, English Series, ISSN 1439-8516, 3/2019, Volume 35, Issue 3, pp. 297 - 320
....: A pre-order principle and set-valued Ekeland variational principle. J. Math. Anal. Appl., 419, 904–937 (2014)]. By using the generalized... 
partial order principle | convex cone | 46A03 | 49J53 | Ekeland variational principle | Mathematics, general | 65K10 | Mathematics | 58E30 | ε -efficient solutions in the sense of Németh | Gerstewitz’s function | ε-efficient solutions in the sense of Németh | Economic models | Mathematical analysis
Journal Article
Topology and its Applications, ISSN 0166-8641, 2011, Volume 158, Issue 8, pp. 1073 - 1084
In this paper we prove a quasi-metric version of Ekeland Variational Principle and study its connections with the completeness properties of the underlying quasi-metric space... 
Caristi–Kirkʼs fixed point theorem | Ekeland Variational Principle | Left (right) K-completeness | Clarkeʼs fixed point theorem | Quasi-metric space | Caristi-Kirk's fixed point theorem | 47H10 | 54E50 | 54E55 | 54E15 | 58E30 | Clarke's fixed point theorem | 49N99 | MATHEMATICS | MATHEMATICS, APPLIED | FIXED-POINT THEOREMS | SETS
Journal Article
Acta Mathematica Sinica, English Series, ISSN 1439-8516, 4/2012, Volume 28, Issue 4, pp. 717 - 726
Journal Article
Fixed Point Theory and Applications, ISSN 1687-1820, 12/2012, Volume 2012, Issue 1, pp. 1 - 11
Journal Article
数学学报:英文版, ISSN 1439-8516, 2017, Volume 33, Issue 2, pp. 210 - 234
By using Gerstewitz functions, we establish a new equilibrium version of Ekeland varia- tional principle, which improves the related results by weakening both the lower boundedness and the lower semi... 
46A03 | set-valued vector equilibrium problem | Ekeland variational principle | Mathematics, general | lower semi-continuity | Mathematics | lower boundedness | 58E30 | quasi-ordered locally convex space | 91B50 | EXISTENCE | MATHEMATICS, APPLIED | SPACES | FIXED-POINT THEORY | EQUIVALENTS | MATHEMATICS | THEOREMS | MAPPINGS | OPTIMIZATION | Studies | Banach spaces | Functions (mathematics) | Metric space | Existence theorems | Mathematical analysis | Topology | Vectors (mathematics) | Variational principles
Journal Article
中国科学:数学英文版, ISSN 1674-7283, 2017, Volume 60, Issue 7, pp. 1259 - 1280
Journal Article
Optimization, ISSN 0233-1934, 10/2016, Volume 65, Issue 10, pp. 1781 - 1789
What happens to the conclusion of the Ekeland variational principle (briefly, EVP) if a considered function is lower semicontinuous not on the whole metric space X but only on... 
Gâteaux differentiability | Ekeland variational principle | lower semicontinuity | MATHEMATICS, APPLIED | OPERATIONS RESEARCH & MANAGEMENT SCIENCE | Gateaux differentiability | Optimization
Journal Article
数学学报:英文版, ISSN 1439-8516, 2015, Issue 8, pp. 1289 - 1302
...)]), we give a new version of vectorial Ekeland's variational principle. In the new version, the objective function is defined on a sequentially lower complete space... 
局部凸空间 | 向量值 | 拓扑空间 | 重合点定理 | Caristi型 | Ekeland变分原理 | 目标函数 | Caristi不动点定理
Journal Article
Analele Universitatii "Ovidius" Constanta - Seria Matematica, ISSN 1224-1784, 05/2012, Volume 20, Issue 1, pp. 101 - 112
In this paper we prove a generalized version of the Ekeland variational principle, which is a common generalization of Zhong variational principle and Borwein Preiss Variational principle... 
metric spaces | Ekeland variational principle,Zhong variational principle | Borwein Preiss variational principle | Caristi type fixed point | Ekeland variational principle | Metric spaces | Zhong variational principle | Caristi type fixedpoint | MATHEMATICS | MATHEMATICS, APPLIED
Journal Article