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Gregus-Type Common Fixed Point Theorems for Tangential Multivalued Mappings of Integral Type in Metric Spaces
Author(s) -
Wutiphol Sintunavarat,
Poom Kumam
Publication year - 2011
Publication title -
international journal of mathematics and mathematical sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 39
eISSN - 1687-0425
pISSN - 0161-1712
DOI - 10.1155/2011/923458
Subject(s) - mathematics , type (biology) , fixed point theorem , fixed point , coincidence point , metric space , pure mathematics , discrete mathematics , mathematical analysis , ecology , biology
The concept of tangential for single-valuedmappings is extended to multivalued mappings and used to provethe existence of a common fixed point theorem of Gregus type forfour mappings satisfying a strict general contractive condition ofintegral type. Consequently, several known fixed point results generalizedand improved the corresponding recent result of Pathak and Shahzad (2009) and many authors

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