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Coupled fixed point theorem in b-fuzzy metric spaces

Došenović T, Hassanzadeh Z., Sedghi S.

Fasciculi Mathematici

2018

Nr 61

27--41

The aim of this paper is to prove a coupled coincidence fixed point theorem in complete b-fuzzy metric space using the concept of mixed monotone mappings, which represents a generalization of some recent results.

Common fixed point of four mappings satisfying implicit generalized weak contractive type condition

Sedghi S., Shobe N., Abbas M.

Demonstratio Mathematica

2014

Vol. 47, nr 2

396--410

In this paper, common fixed point for four maps using an implicit contractive condition in a complete metric space is proved. Some periodic point results for such mappings are also obtained. These results extend and generalize several comparable results in the current literature.

Some properties of T-metric spaces and a common fixed point theorem

Sedghi S., Altun I., Shobe N.

Fasciculi Mathematici

2012

Nr 48

105--118

In this paper, we introduce the new definitions of T-metric space and give some properties of it. Also, we prove a common fixed point theorem for for four mappings under the condition of weakly compatible in complete T-metric spaces. A lot of fixed point theorems on ordinary metric space are special case of our main result, since every ordinary metric space is also T-metric space.

Common fixed point theorems in complete fuzzy metric spaces

Sedghi S., Shobe N.

Demonstratio Mathematica

2008

Vol. 41, nr 2

433-440

In this paper, common fixed point theorems for fuzzy maps in fuzzy metric spaces are proved. These theorems are fuzzy version of some known results in ordinary metric spaces.