Found 2,383 Documents (Results 1–100)

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A note on generalized contraction theorems. (English. Russian original)Zbl 07488496

Math. Notes 111, No. 2, 211-216 (2022); translation from Mat. Zametki 111, No. 2, 211-218 (2022).
MSC:  54H25 47H10 54E35
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$$\beta$$-type and generalized $$\beta$$-$$\gamma$$-type multi-valued contractive mappings in a Menger PbM-space. (English)Zbl 1482.47097

MSC:  47H10 47S50
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$$b$$-metrics. (English)Zbl 07481208

MSC:  54E35 54E15
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Complex Einstein-Finsler doubly twisted product metrics. (English)Zbl 07472999

MSC:  53C25 53B40 53C56
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Separately polynomial functions. (English)Zbl 07463841

MSC:  22A20 54E45 54E52
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Generalized Meir-Keeler contraction mappings in controlled metric type spaces. (English)Zbl 07532318

MSC:  47H10 54H25
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A fixed point theorem for generalized $$(\psi,\varphi)$$-weak contractions in Branciari type generalized metric spaces. (English)Zbl 07525605

MSC:  47H10 54H25
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Generalized metric properties on hyperspaces with the Vietoris topology. (English)Zbl 07524101

MSC:  54B20 54D99 54E20
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Some fixed point results on generalized metric spaces. (English)Zbl 07514476

MSC:  54E40 54H25 47H10
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Existence of $$\varphi$$-fixed point for generalized contractive mappings. (English)Zbl 07513622

MSC:  47H09 47H10 45G10
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MSC:  47H10
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On probabilistic $$\epsilon,\lambda)$$-local contraction mappings and a system of integral equations. (English)Zbl 07490914

MSC:  47H25 54E70
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Common fixed point theorems for weakly $$(\psi,S,C)$$-contractive mappings in partially ordered $$b$$-metric spaces. (English)Zbl 07489154

MSC:  47H09 47H10 54E50
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Some estimates for commutators of Littlewood-Paley $$g$$-functions. (English)Zbl 07485655

MSC:  42B25 42B35 30L99
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MSC:  54H25
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Stability of a system of Euler-Lagrange type cubic functional equations in non-Archimedean 2-normed spaces. (Persian. English summary)Zbl 07481970

MSC:  39B72 46S10 54E70
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Generic convergence of powers of generalized nonexpansive mappings. (English)Zbl 07476166

MSC:  47H09 47H10 54E50
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MSC:  46A04
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Statistical convergence in probabilistic generalized metric spaces w.r.t. strong topology. (English)Zbl 07465112

MSC:  40A35 54E70 54E35
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On fixed points of rational contractions in generalized parametric metric and fuzzy metric spaces. (English)Zbl 07465103

MSC:  47H10 54H25
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MSC:  33E20
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Common fixed point theorems under generalized $$(\psi - \phi)$$-weak contractions in $$S$$-metric spaces with applications. (English)Zbl 1476.54116

MSC:  54H25 54E40 54E50
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Coincidence point results for generalized $$(\psi, \theta, \phi)$$-contraction on partially ordered metric spaces. (English)Zbl 1476.54060

MSC:  54H25 54E40 54F05
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Fixed point theorems for some generalized contractive maps in $$b$$-metric spaces. (English)Zbl 1475.54020

MSC:  54H25 54E40
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The existence of zeros of multivalued functionals, coincidence points, and fixed points in $$f$$-quasimetric spaces. (English. Russian original)Zbl 1478.54062

Math. Notes 110, No. 4, 583-591 (2021); translation from Mat. Zametki 110, No. 4, 598-609 (2021).
MSC:  54H25 47H10 54E35
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On Geraghty-Wardowski type contractions and an application. (English)Zbl 1482.54074

MSC:  54H25 54E40 54F05
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Related fixed point theorems in partially ordered $$b$$-metric spaces and applications to integral equations. (English)Zbl 1482.54058

MSC:  54H25 54E40 54F05
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On $$J$$-cone metric spaces over a Banach algebra and some fixed-point theorems. (English)Zbl 07428579

MSC:  54H25 54E40
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Fixed point theorems for generalized weak contraction mapping in generating space of $$b$$-dislocated metric spaces. (English)Zbl 1473.54056

MSC:  54H25 54E40 54F05
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Some fixed point theorems on generalized asymmetric metric spaces. (English)Zbl 1478.54099

MSC:  54H25 47H10
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Energy measures for diffusions on fractals: a survey. (English)Zbl 1476.28008

Grigor’yan, Alexander (ed.) et al., Analysis and partial differential equations on manifolds, fractals and graphs. Contributions of the conference, Tianjin, China, September 2019. Berlin: De Gruyter. Adv. Anal. Geom. 3, 119-142 (2021).
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Two Perov type generalized graph contractions. (English)Zbl 1476.54044

MSC:  54H25 54E40
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Coincidence points and common fixed points for $$(\psi, \phi, \varphi (\varphi^*))$$-weakly contractive mappings on generalized metric spaces. (Chinese. English summary)Zbl 07404092

MSC:  54H25 54E40
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Commutators generated by singular integral operators and Lipschitz functions with non-homogeneous metric measure. (Chinese. English summary)Zbl 07404090

MSC:  42B20 42B35 47B47
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On fixed point theory in partially ordered (quasi-)metric spaces and an application to complexity analysis of algorithms. (English)Zbl 1476.54081

Kikianty, Eder (ed.) et al., Positivity and its applications. Proceedings from the conference Positivity X, Pretoria, South Africa, July 8–12, 2019. Cham: Birkhäuser. Trends Math., 251-266 (2021).
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Fixed point, data dependence, and well-posed problems for multivalued nonlinear contractions. (English)Zbl 07396461

MSC:  54H25 54E40 54E50
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Fixed point results for Geraghty-weak contractions in ordered partial rectangular $$b$$-metric spaces. (English)Zbl 1477.54052

MSC:  54H25 54E40 54F05
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Unified multi-tupled fixed point theorems involving monotone property in ordered metric spaces. (English)Zbl 1469.54120

Cho, Yeol Je (ed.) et al., Advances in metric fixed point theory and applications. Singapore: Springer. 409-440 (2021).
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Approximating fixed points of Suzuki $$(\alpha,\beta)$$-nonexpansive mappings in ordered hyperbolic metric spaces. (English)Zbl 1472.47093

Cho, Yeol Je (ed.) et al., Advances in metric fixed point theory and applications. Singapore: Springer. 365-383 (2021).
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Fixed points that are zeros of a given function. (English)Zbl 1469.54199

Cho, Yeol Je (ed.) et al., Advances in metric fixed point theory and applications. Singapore: Springer. 157-182 (2021).
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Existence and approximations for order-preserving nonexpansive semigroups over $$\mathrm{CAT}(\kappa)$$ spaces. (English)Zbl 1472.47049

Cho, Yeol Je (ed.) et al., Advances in metric fixed point theory and applications. Singapore: Springer. 111-132 (2021).
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Fixed points of generalized $$(\alpha, \psi, \varphi)$$-contractive maps and property(P) in $$S$$-metric spaces. (English)Zbl 1477.54057

MSC:  54H25 54E40 54E50
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Coincidence point results of nonlinear contractive mappings in partially ordered metric spaces. (English)Zbl 1477.54093

MSC:  54H25 54E40 54F05
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Fixed point theorems for new contractions with application in dynamic programming. (English. Russian original)Zbl 1476.54120

Vestn. St. Petersbg. Univ., Math. 54, No. 2, 206-212 (2021); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 8(66), No. 2, 338-348 (2021).
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Fixed point results for generalized fuzzy contractive mappings in fuzzy metric spaces with application in integral equations. (English)Zbl 1477.54109

MSC:  54H25 54A40 54E40
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Limit theorems for the generalized perimeters of random inscribed polygons. II. (English. Russian original)Zbl 1468.62285

Vestn. St. Petersbg. Univ., Math. 54, No. 1, 78-85 (2021); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 8(66), No. 1, 101-110 (2021).
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The topology of a quantale valued metric space. (English)Zbl 1464.06012

MSC:  06F07 54E35 06F30
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A new approach to fixed point theorems in compact 2-generalized metric spaces. (English)Zbl 1477.54119

MSC:  54H25 54E35
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Cyclical deformations of quadrangles in $$S_\kappa^2$$ and defining properties of Alexandrov spaces. (English)Zbl 07347406

MSC:  53C23 51E12 53C45
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Fixed point theorems for generalized $$\beta$$-$$\phi$$-contractive pair of mappings using simulation functions. (English)Zbl 1459.54030

MSC:  54H25 54E40 54F05
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On nonspreading-type mappings in Hadamard spaces. (English)Zbl 1459.54036

MSC:  54H25 54E40 47J26
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Some fixed and periodic point results for generalized contractions on partial ordered metric space with applications in metric space. (English)Zbl 1474.54173

MSC:  54H25 54E40 54F05
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On some coupled fixed point theorems with rational expressions in partially ordered metric spaces. (English)Zbl 1474.54249

MSC:  54H25 54E40 54F05
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On generalized Douglas-Weyl Randers metrics. (English)Zbl 07332710

MSC:  53B40 53C60
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On Goursat problem for fuzzy random partial differential equations under generalized Lipschitz conditions. (English)Zbl 1458.35466

MSC:  35R13 35A25 35L05
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Fixed point of multivalued cyclic contractions. (English)Zbl 1455.54032

Dutta, Hemen (ed.), Topics in contemporary mathematical analysis and applications. Boca Raton, FL: CRC Press (ISBN 978-0-367-53266-6/hbk; 978-1-003-08119-7/ebook). Mathematics and its Applications: Modelling, Engineering, and Social Sciences, 249-280 (2021).
MSC:  54H25 54C60 54E40
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Almost convexity and continuous selections of the set-valued metric generalized inverse in Banach spaces. (English)Zbl 07296630

MSC:  47H04 46B20
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Fixed point theorems for generalized rational $$\alpha$$-$$\psi$$-Geraghty contraction type mappings in metric space. (English)Zbl 1463.54139

MSC:  54H25 54E40
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Fixed point theorems for generalized $$(\alpha \eta)_{EB}$$-contractions in extended $$b$$-metric spaces with applications. (English)Zbl 07508870

MSC:  47H10 54H25
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Generalized metric spaces endowed with vector-valued metrics and matrix equations by tripled fixed point theorems. (English)Zbl 1482.54061

MSC:  54H25 54E35 54E40
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