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FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 33_16Date: 2019Journal Homepage Editorial BoardImpressum   Bi-f -harmonic curves and hypersurfaces 5167 - 5180 Selcen Yüksel Perktaş, Adara M Blaga, Feyza Esra Erdoğan and Bilal Eftal Acet   AbstractKeywords: bi- f -harmonic curves; bi- f -harmonic hypersurfacesMSC: 58E20; 53C25; 53C43DOI: 10.2298/FIL1916167P A quarter-symmetric metric connection on almost contact B−metric manifolds 5181 - 5190 Şenay Bulut   AbstractKeywords: A quarter-symmetric metric connection; Almost contact B−metric manifold; Sasaki-like almost contact B−metric mani- foldMSC: 53C05; 53C15; 53D10DOI: 10.2298/FIL1916181B Proper semiconformal symmetries of spacetimes with divergence-free semiconformal curvature tensor 5191 - 5198 Musavvir Ali, Naeem Ahmad Pundeer and Young Jin Suh   AbstractKeywords: curvature tensors; gravitational fields; collineationsMSC: 53B20; 83C45; 53A45; 83C20DOI: 10.2298/FIL1916191A On the Riesz summability of the eigenfunction expansions on a closed domain 5199 - 5205 Abdumalik Rakhimov, Erkin Saydamatov and Shuhrat Sheraliev   AbstractKeywords: Eigenfunction expansions; summability; Riesz meansMSC: 42B10; 42A24DOI: 10.2298/FIL1916199R Perturbation theory for core and core-EP inverses of tensor via Einstein product 5207 - 5217 Hong-Mei Du, Bing-Xue Wang and Hai-Feng Ma   AbstractKeywords: core inverse; core-EP inverse; perturbation; tensor; Einstein productMSC: 15A09; 65F20DOI: 10.2298/FIL1916207D Operators with Gaussian kernel bounds on mixed Morrey spaces 5219 - 5230 Francesca Anceschi, Christopher S Goodrich and Andrea Scapellato   AbstractKeywords: Morrey spaces; bounded mean oscillation; commutatorsMSC: 42B25; 42B35; 47B47DOI: 10.2298/FIL1916219A Singular value inequalities for sector matrices 5231 - 5236 Jianming Xue and Xingkai Hu   AbstractKeywords: Sector matrix; Accretive-dissipative matrix; Singular value; Unitarily invariant normMSC: 15A45; 15A18; 15A60; 47A30DOI: 10.2298/FIL1916231X Geometries of manifolds equipped with a Ricci (projection-Ricci) quarter-symmetric connection 5237 - 5248 Wanxiao Tang, Jon Chol Yong, Ho Tal Yun, Guoqing He and Peibiao Zhao   AbstractKeywords: Ricci quarter-symmetric connection; Ricci quarter-symmetric projective connection; Schur’s theoremMSC: 58E20; 53C21DOI: 10.2298/FIL1916237T Some inequalities for general zeroth–order Randić index 5249 - 5258 Predrag Milošević, Igor Milovanović, Emina Milovanović and Marjan Matejić   AbstractKeywords: Topological indices; vertex degree; general zeroth order Randić indexMSC: 05C12; 05C50DOI: 10.2298/FIL1916249M Inverse boundary-value problem for the equation of longitudinal wave propagation with non-self-adjoint boundary conditions 5259 - 5271 Elvin I Azizbayov and Yashar T Mehraliyev   AbstractKeywords: inverse problem; longitudinal wave propagation; self-adjoint boundary conditions; overdetermination condition; classical solution; existence; uniquenessMSC: 34B10; 35R30; 35L82; 35A01; 35A02; 35A09DOI: 10.2298/FIL1916259A Article page: <<123>>

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