Caristi, Nadler and <inline-formula> <mml:math id="mm2151657" display="block"> <mml:semantics> <mml:msup> <mml:mi mathvariant="script">H</mml:mi> <mml:mo>+</mml:mo> </mml:msup> </mml:semantics> </mml:math> </inline-formula>-Type Contractive Mappings and Their Fixed Points in <i>θ</i>-Metric Spaces
A new proper generalization of metric called as <inline-formula> <math display="inline"> <semantics> <mi>θ</mi> </semantics> </math> </inline-formula>-metric is introduced by Khojasteh et al. (Mathematical Problems in Engineering (20...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2019-04-01
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Series: | Symmetry |
Subjects: | |
Online Access: | https://www.mdpi.com/2073-8994/11/4/504 |