Browsing by Author "Vetro,C."
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Article Citation Count: 22On Ekeland's variational principle in partial metric spaces(Natural Sciences Publishing Co., 2015) Karapınar, Erdal; Karapinar,E.; Vetro,C.; MathematicsIn this paper, lower semi-continuous functions are used to extend Ekeland's variational principle to the class of partial metric spaces. As consequences of our results, we obtain some fixed point theorems of Caristi and Clarke types. © 2015 NSP.Article Citation Count: 0On Ekeland’s Variational Principle in Partial Metric Spaces(Natural Sciences Publishing, 2015) Karapınar, Erdal; Karapınar,E.; Vetro,C.; MathematicsIn this paper, lower semi-continuous functions are used to extend Ekeland’s variational principle to the class of partial metric spaces. As consequences of our results, we obtain some fixed point theorems of Caristi and Clarke types. © 2015