Several Theorems on Single and Set-Valued Preši? Type Mappings

Seher Sultan Yeşilkaya and Cafer Aydın
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Seher Sultan Yeşilkaya: Institute of Science and Technology, Kahramanmaraş Sütçü İmam University, Kahramanmaraş 46040, Turkey
Cafer Aydın: Department of Mathematics, Kahramanmaraş Sütçü İmam University, Kahramanmaraş 46040, Turkey

Mathematics, 2020, vol. 8, issue 9, 1-13

Abstract: In this study, we introduce set-valued Preši? type almost contractive mapping, Preši? type almost F -contractive mapping and set-valued Preši? type almost F -contractive mapping in metric space and prove some fixed point results for these mappings. Additionally, we give examples to show that our main theorems are applicable. These examples show that the new class of set-valued Preši? type almost F -contractive operators is not included in Preši? type class of set-valued Preši? type almost contractive operators.

Keywords: fixed point; set-valued Preši? type almost contractive; Preši? type almost F-contractive; set-valued Preši? type almost F-contractive (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2020
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