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FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 35_1Date: 2021Journal Homepage Editorial BoardImpressum   Weak KK M set-valued mappings in hyperconvex metric spaces 157 - 167 Ravi P Agarwal, Mircea Balaj and Donal O’Regan   AbstractKeywords: hyperconvex metric space; weak KKM set-valued mapping; intersection theorem; variational inequality; minimax inequalityMSC: 46B20; 47H10; 47E10DOI: 10.2298/FIL2101157A Positive solutions for singular semipositone nonlinear fractional differential system 169 - 179 Rim Bourguiba and Faten Toumi   AbstractKeywords: Fractional differential system; positive solution; integral boundary conditions; Green’s functions; dependence on a parameterMSC: 34A08; 34B27; 34B18; 35G60DOI: 10.2298/FIL2101169B The pseudo core inverses of differences and products of projections in rings with involution 181 - 189 Xiaofeng Chen, Jianlong Chen and Yukun Zhou   AbstractKeywords: pseudo core inverse; projection; commutator; anti-commutatorMSC: 15A09; 16W10DOI: 10.2298/FIL2101181C Perturbation of the spectra of complex symmetric operators 191 - 199 Qinggang Bu and Cun Wang   AbstractKeywords: Complex symmetric operators; Weyl’s theorem; single-valued extension property; local spectral theoryMSC: 47A11; 47B99; 47A53; 47A58DOI: 10.2298/FIL2101191B Study of Г−simulation functions, Ɀг −contractions and revisiting the L−contractions 201 - 224 E Karapınar, Gh Heidary Joonaghany, F Khojasteh and S Radenović   AbstractKeywords: ZΓ−Contractions; Γ−Simulation functions; L−Contractions; Fixed point; Generalized metric spaceMSC: 54H25; 47H10; 54C30DOI: 10.2298/FIL2101201K General viscosity implicit midpoint rule for nonexpansive mapping 225 - 237 Shuja Haider Rizvi   AbstractKeywords: General viscosity implicit midpoint rule; Nonexpansive mapping; Fixed-point problem; Iterative schemeMSC: 65K15; 47J25; 65J15; 90C33DOI: 10.2298/FIL2101225R Norm bounds for the inverse and error bounds for linear complementarity problems for {P1,P2}-Nekrasov matrices 239 - 250 M Nedović and Lj Cvetković   AbstractKeywords: Nekrasov matrices; Permutations; Maximum norm bounds; Linear complementarity problemsMSC: 15A18; 15B99DOI: 10.2298/FIL2101239N New directions in Lᴮ -valued general fuzzy automata: a topological view 251 - 270 Khadijeh Abolpour and Mohammad Mehdi Zahedi   AbstractKeywords: Lᴮ-valued general fuzzy automata; Lᴮ-valued successor/predecessor/residuated/ approximation operator; L-valued relation; interior; homotopyMSC: 68Q70; 03E72; 06D72; 18B20DOI: 10.2298/FIL2101251A Multiple interpolation in the Privalov classes in a disk 271 - 286 Eugenia Gennad'evna Rodikova   AbstractKeywords: Interpolation; multiple nodes; analytic functions; the Privalov class; the Stolz anglesMSC: 30E05; 30H15; 30H50DOI: 10.2298/FIL2101271R Classes of harmonic functions in 2d generalized Poincaré geometry 287 - 297 Gabriel Bercu and Mircea Crasmareanu   AbstractKeywords: generalized Poincaré manifold; Laplace equation; harmonic/totally geodesic function; Bochner formulaMSC: 53C43; 53C45; 53A30DOI: 10.2298/FIL2101287B Article page: <<123>>

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