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FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 33_12Date: 2019Journal Homepage Editorial BoardImpressum   Positive periodic solutions for second-order neutral differential equations with time-dependent deviating arguments 3627 - 3638 Zhibo Cheng, Feifan Li and Shaowen Yao   AbstractKeywords: Neutral operator; positive periodic solution; second-order equation; Krasnoselskii’s fixed point theoremMSC: 34C25; 34B18DOI: 10.2298/FIL1912627C The product-type operators from logarithmic Bloch spaces to Zygmund-type spaces 3639 - 3653 Yongmin Liu and Yanyan Yu   AbstractKeywords: product-type operator; Cramer’s Rule; Zygmund-type space; logarithmic Bloch spaceMSC: 47B38; 47B33; 30D45; 46E15DOI: 10.2298/FIL1912639L New extensions of polygroups by polygroups 3655 - 3668 Lumnije K Shehu and Hani A Khashan   AbstractKeywords: hypergroups; polygroups; polygroups extensions; regularly normal subpolygroupsMSC: 16Y99; 20N20DOI: 10.2298/FIL1912655S Ruscheweyh-type harmonic functions with correlated coefficients 3669 - 3682 Jacek Dziok   AbstractKeywords: harmonic functions; subordination; starlike functions; Ruscheweyh derivatives; dual set; correlated coefficientsMSC: 30C55; 30C45DOI: 10.2298/FIL1912669D Measures of noncompactness on the standard Hilbert c * -module 3683 - 3695 Dragoljub J Kečkić and Zlatko Lazović   AbstractKeywords: Hilbert module; measures of noncompactness; uniform spacesMSC: 46L08; 47H08; 54E15DOI: 10.2298/FIL1912683K Asymmetric truncated Toeplitz operators and conjugations 3697 - 3710 M Cristina Câmara, Kamila Kliś-Garlicka and Marek Ptak   AbstractKeywords: asymmetric truncated Toeplitz operator; conjugation; C–symmetryMSC: 47B35; 30H10; 47A15DOI: 10.2298/FIL1912697C Caristi type and Meir-Keeler type fixed point theorems 3711 - 3721 Abhijit Pant, R P Pant and M C Joshi   AbstractKeywords: Completeness; k-continuity; measure of discontinuity; weak orbital continuityMSC: 47H10 54H25DOI: 10.2298/FIL1912711P Integral operator acting on weighted Dirichlet spaces to Morrey type spaces 3723 - 3736 Liu Yang   AbstractKeywords: Weighted Dirichlet spaces; Morrey type space; Volterra type operator; Carleson measure; Essential normMSC: 30H25; 47B35DOI: 10.2298/FIL1912723Y Fixed points for α − β E -Geraghty contractions on b-metric spaces and applications to matrix equations 3737 - 3750 Hassen Aydi, Abdelbasset Felhi, Erdal Karapınar, Hind Alrubaish and Maha AlShammari   AbstractKeywords: fixed point; Geraghty type contraction; b-metric space; matrix equationMSC: 47H10; 54H25; 46J10DOI: 10.2298/FIL1912737A Some operator inequalities for operator means and positive linear maps 3751 - 3758 Jianguo Zhao   AbstractKeywords: Operator inequality; positive unital linear maps; connection; operator meansMSC: 47A63; 46B10DOI: 10.2298/FIL1912751Z Article page: 123>>

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