A New Kind of Nonlinear Quasicontractions in Metric Spaces
Starting from two extensions of the Banach contraction principle due to Ćirić (1974) and Wardowski (2012), in the present paper we introduce the concepts of Ćirić type <inline-formula> <math display="inline"> <semantics> <mrow> <mi>ψ</mi> <mi>F<...
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| Format: | Article |
| Language: | English |
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MDPI AG
2020-04-01
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| Series: | Mathematics |
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| Online Access: | https://www.mdpi.com/2227-7390/8/5/661 |