✦ LIBER ✦

Caristi's fixed point theorem for fuzzy mappings and Ekeland's variational principle

✍ Scribed by Shih-sen Chang; Qun Luo

Publisher: Elsevier Science
Year: 1994
Tongue: English
Weight: 302 KB
Volume: 64
Category: Article
ISSN: 0165-0114
DOI: 10.1016/0165-0114(94)90014-0

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

From quasivariational inclusion problems

From quasivariational inclusion problems to Stampacchia vector quasiequilibrium problems, Stampacchia set-valued vector Ekeland’s variational principle and Caristi’s fixed point theorem

✍ Lai-Jiu Lin; Chih-Sheng Chuang; Sung-Yu Wang 📂 Article 📅 2009 🏛 Elsevier Science 🌐 English ⚖ 563 KB

In this paper, we first study existence theorems of solution for quasivariational inclusion problems. We apply existence theorems of solution for quasivariational inclusion problem to study the existence theorems of solution for the Stampacchia generalized vector quasiequilibrium problems and Stampa

Coincidence theorems for set-valued mapp

Coincidence theorems for set-valued mappings and Ekeland's variational principle in fuzzy metric spaces

✍ Jong Soo Jung; Yeol Je Cho; Shin Min Kang; Shih-sen Chang 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 530 KB

On Ekeland's Variational Principle and a

On Ekeland's Variational Principle and a Minimax Theorem

✍ Zhong Cheng-Kui 📂 Article 📅 1997 🏛 Elsevier Science 🌐 English ⚖ 141 KB

## IN HONOR OF KY FAN Ekeland's variational principle states that if a Gateaux differentiable Ž . function f has a finite lower bound although it need not attain it , then 5 X Ž .5 for every ⑀ ) 0, there exists some point x such that f x F ⑀. This ⑀ ⑀ Ž . Ž .

The drop theorem, the petal theorem and

The drop theorem, the petal theorem and Ekeland's variational principle

✍ Jean-Paul Penot 📂 Article 📅 1986 🏛 Elsevier Science 🌐 English ⚖ 751 KB

An Ekeland’s variational principle for s

An Ekeland’s variational principle for set-valued mappings with applications

✍ J. Zeng; S.J. Li 📂 Article 📅 2009 🏛 Elsevier Science 🌐 English ⚖ 488 KB

In this paper, we obtain a general Ekeland's variational principle for set-valued mappings in complete metric space, which is different from those in [G.Y. Chen, X.X. Huang, Ekeland's ε-variational principle for set-valued mapping, Mathematical Methods of Operations

Remarks on Caristi’s fixed point theorem

Remarks on Caristi’s fixed point theorem and Kirk’s problem

✍ Zhilong Li 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 238 KB

Without assumptions on the continuity and the subadditivity of η, by means of Caristi's fixed point theorem, we investigated the existence of fixed points for a Caristi type mapping which partially answered Kirk's problem and improved Caristi's fixed point theorem, Jachymski's fixed point theorem an