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FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 32_15Date: 2018Journal Homepage Editorial BoardImpressum   Nonexistence of nontrivial weak solutions for anisotropic elliptic problems 5415 - 5420 Tingfu Feng   AbstractKeywords: anisotropic elliptic problems; nontrivial weak solutions; nonexistenceMSC: 35J25; 35J66DOI: 10.2298/FIL1815415F A characterization of unbounded generalized meromorphic operators 5421 - 5431 Mohamed Berkani, Monia Boudhief and Nedra Moalla   AbstractKeywords: B-Fredholm operator; unbounded generalized meromorphic operator; meromorphic operator; polynomially meromorphic operatorMSC: 47A53; 47B06DOI: 10.2298/FIL1815421B On approximation properties of Baskakov-Schurer-Szász operators preserving exponential functions 5433 - 5440 Övgü Gürel Yılmaz, Murat Bodur and Ali Aral   AbstractKeywords: Baskakov-Schurer-Szász operators; exponential functions; quantitative results; weighted approximationMSC: 41A25 41A36DOI: 10.2298/FIL1815433Y Remarks on n-normal operators 5442 - 5451 Muneo Chō, Ji Eun Lee, Kotaro Tanahashi and Atsushi Uchiyama   AbstractKeywords: n-normal; polaroid; subscalarMSC: 47B15; 47A15DOI: 10.2298/FIL1815441C Weak Markov operators 5453 - 5457 Hūlya Duru and Serkan Ilter   AbstractKeywords: f-algebra; lattice homomorphism; weak order unit; weak Markov operatorMSC: 47B38; 46B42DOI: 10.2298/FIL1815453D Measures of noncompactness in (N¯q∆) summable difference sequence spaces 5459 - 5470 Ishfaq Ahmad Malik and Tanweer Jalal   AbstractKeywords: Difference sequence space; BK spaces; matrix transformations; measures of noncompactnessMSC: 40H05; 46A45; 47B07DOI: 10.2298/FIL1815459M Subsums of conditionally convergent series in finite dimensional spaces 5471 - 5479 Jacek Marchwicki and Václav Vlasák   AbstractKeywords: achievement set; set of subsums; conditionally convergent series; sum range; prime numbersMSC: 40A05; 11K31DOI: 10.2298/FIL1815471M On dimension and weight of a local contact algebra 5481 - 5500 G Dimov, E Ivanova-Dimova and I Dütsch   AbstractKeywords: (complete) (local) (normal) Boolean contact algebra; LCA-completion; relative LC-algebra; dimension; weight; pi-weight; locally compact Hausdorff spaces; dualityMSC: 54H10; 54E05; 54F45; 54B30; 54D80DOI: 10.2298/FIL1815481D On the circulant matrices with Ducci sequences and Fibonacci numbers 5501 - 5508 Süleyman Solak, Mustafa Bahşi and Osman Kan   AbstractKeywords: Ducci Sequence; Circulant Matrix; NormMSC: 11B83; 15A15; 15A60DOI: 10.2298/FIL1815501S Article page: <<123

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