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FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 33_5Date: 2019Journal Homepage Editorial BoardImpressum   On the recursive sequence x n+1 = x n−7 1+x n−3 1381 - 1386 D Simsek, P Esengul Kyzy and M Imash Kyzy   AbstractKeywords: Difference equation; period 8 solutionMSC: 39A10; 39A13; 39A45DOI: 10.2298/FIL1905381S Existence and uniqueness of solutions for the first-order non-linear differential equations with three-point boundary conditions 1387 - 1395 Misir J Mardanov, Yagub A Sharifov and Kamala E Ismayilova   AbstractKeywords: Existence and uniqueness; boundary value problem; three-point condition; non-local conditionMSC: 34B10; 34B15DOI: 10.2298/FIL1905387M Lacunary almost convergence and some new sequence spaces 1397 - 1402 Ekrem Savaş   AbstractKeywords: Almost convergence; absolutely lacunary summable; strongly lacunary almost summabilityMSC: 40B05; 40C05DOI: 10.2298/FIL1905397S Generalized q-Laguerre type polynomials and q-partial differential equations 1403 - 1415 Da-Wei Niu   AbstractKeywords: q-series; q-derivative; q-partial differential equation; q-Laguerre polynomial; little q-Laguerre polynomial; q-Hahn polynomial; generating functionMSC: 05A30; 11B65; 33D15; 33D45; 39A13DOI: 10.2298/FIL1905403N Best approximation of holomorphic functions from Hardy space in terms of Taylor coefficients 1417 - 1424 F G Abdullayev, G A Abdullayev and V V Savchuk   AbstractKeywords: Best approximation; Hardy space; coefficients of holomorphic functionsMSC: 30C45; 30C50DOI: 10.2298/FIL1905417A A certain class of deferred weighted statistical B-summability involving (p, q)-integers and analogous approximation theorems 1425 - 1444 Amjed Zraiqat, S K Paikray and Hemen Dutta   AbstractKeywords: Deferred weighted B-statistical convergence; deferred weighted statistical B-summability; rate of convergence; Korovkin-type approximation theorems; rate of deferred weighted B-convergence; positive linear operators; Banach spaceMSC: 41A36; 40A05; 40G15DOI: 10.2298/FIL1905425Z Almost multiplicative maps and ε− spectrum of an element in Fréchet Q-algebra 1445 - 1452 A P Farajzadeh and M R Omidi   AbstractKeywords: Q-algebra; Fréchet Q-algebra; almost multiplicative map; ε-spectrum; almost spectrumMSC: 46H40; 46H05; 46J05; 47A10DOI: 10.2298/FIL1905445F Direct integration of systems of linear differential and difference equations 1453 - 1461 Syrgak Kydyraliev and Anarkul Urdaletova   AbstractKeywords: Systems of linear differential equations; difference equationsMSC: 97M10; 39A05; 39A06; 39A60DOI: 10.2298/FIL1905453K R-compact uniform spaces in the category ZUni f 1463 - 1469 Asylbek A Chekeev and Tumar J Kasymova   AbstractKeywords: R-compactum; R-compact space; coz-mapping; coz-function; zu-ultrafilter; CIP zu-ultrafilterMSC: 54E15; 54C20; 54C45; 54D30; 54D35; 54D60; 54H13DOI: 10.2298/FIL1905463C Exact constants in direct and inverse approximation theorems for functions of several variables in the spaces S p 1471 - 1484 Fahreddin G Abdullayev, Pelin Özkartepe, Viktor V Savchuk and Andrii L Shidlich   AbstractKeywords: Direct theorem; inverse theorem; modulus of smoothness; K-functionalMSC: 42B05; 26B30; 41A17DOI: 10.2298/FIL1905471A Article page: <<123>>

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