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FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 37_28Date: 2023Journal Homepage Editorial BoardImpressum   (k,m, n)-partially isometric operators: A new generalization of partial isometries 9595 - 9612 Mohamed Amine Aouichaoui and Haïkel Skhiri   AbstractKeywords: Hilbert space; Partial isometry; Powers of a linear operator; Reducing subspaces; Structure theorems; SpectrumMSC: 47A05; 47A65; 47B40DOI: 10.2298/FIL2328595A The projectively Hurewicz property is t-invariant 9613 - 9616 Alexander V Osipov   AbstractKeywords: Projectively Hurewicz space; selection principles; t-invariant; Cp-spacesMSC: 54C35; 54D20; 54C05; 54C65DOI: 10.2298/FIL2328613O Novel types of soft compact and connected spaces inspired by soft Q-sets 9617 - 9626 Abdelwaheb Mhemdi   AbstractKeywords: Soft Q-set; extended soft topology; soft Q-compact; soft Q-Lindelöf; soft Q-connectedMSC: 54A40; 03E72; 54D05; 54D20; 54D30DOI: 10.2298/FIL2328617M Framed clad helices in Euclidean 3-space 9627 - 9640 Mahmut Mak   AbstractKeywords: Framed curve; Darboux vector; helix; slant helix; clad helixMSC: 53A04; 58K05DOI: 10.2298/FIL2328627M On the Gaussian curvature of timelike surfaces in Lorentz-Minkowski 3-space 9641 - 9656 Sümeyye ¨ Gür Mazlum   AbstractKeywords: Timelike surfaces; Lorentz-Minkowski 3-space; Gaussian curvature; Enneper formulaMSC: 53A35; 53B30DOI: 10.2298/FIL2328641G The algebraic surfaces of the minimal-maximal surfaces 9657 - 9668 Erhan Güler and Omer Kişi   AbstractKeywords: 3-spaces; minimal-maximal surfaces; Weierstrass representation; degree; class; integral free representationMSC: 53A10; 53C45DOI: 10.2298/FIL2328657G Fixed point of weak contraction mappings on suprametric spaces 9669 - 9678 Seher Sultan Yeşilkaya   AbstractKeywords: fixed point theory; weak contraction; suprametric spacesMSC: 47H10; 54H25DOI: 10.2298/FIL2328669Y Existence and Hyers-Ulam stability for boundary value problems of multi-term Caputo fractional differential equations 9679 - 9692 Chen Chen, Li Liu and Qixiang Dong   AbstractKeywords: Fixed point theorem; Fractional differential equation; Hyers-Ulam stability; Gronwall-type inequalityMSC: 34A08; 26A33; 45M10DOI: 10.2298/FIL2328679C Elliptic Kirchhoff-type system with two convections terms and under Dirichlet boundary conditions 9693 - 9707 Noureddine Moujane, Mohamed El Ouaarabi and Chakir Allalou   AbstractKeywords: Elliptic Kirchhoff-type system; variable exponent; weak solutions; convections terms; topological degree methods; nonlinear equationsMSC: 35J92; 35J30; 47H11DOI: 10.2298/FIL2328693M Fixed point results for a new multivalued Geraghty type contraction via CG-simulation functions 9709 - 9727 Abdellah Taqbibt, Mohamed Chaib, M’hamed Elomari and Said Melliani   AbstractKeywords: fixed point; simulation functions; admissible mapping; C-class functions; Geraghty contraction; CG-class functionMSC: 47H10; 37C25 ; 47H09DOI: 10.2298/FIL2328709T Article page: <<123>>

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