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Front Page FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 35_5Date: 2021Journal Homepage
 

Some integral inequalities via p, q −calculus on finite intervals 1421 - 1430
Mevlüt Tunç and Esra Göv  
AbstractKeywords: quantum calculus; ( p; q )−derivative; (p; q)−integral; Hölder inequality; Minkowski inequalityMSC: 34A08; 26A33; 26D10; 26D20DOI: 10.2298/FIL2105421T
Proximity inductive dimension and Brouwer dimension agree on compact Hausdorff spaces 1431 - 1437
Jeremy Siegert  
AbstractKeywords: Brouwer dimension; proximity inductive dimension; proximityMSC: 54E05; 54F45DOI: 10.2298/FIL2105431S
A classification of generalized derivations in rings with involution 1439 - 1452
Bharat Bhushan, Gurninder S Sandhu, Shakir Ali and Deepak Kumar  
AbstractKeywords: prime ring; involution; derivation; generalized derivationMSC: 16N60; 16W10; 16W25DOI: 10.2298/FIL2105439B
Existence and uniqueness of weak solution of p(x)-Laplacian in Sobolev spaces with variable exponents in complete manifolds 1453 - 1463
Omar Benslimane, Ahmed Aberqi and Jaouad Bennouna  
AbstractKeywords: Non-trivial solution; Lebesgue space with variable exponent; Sobolev spaces Riemannian manifolds; Mountain pass TheoremMSC: 35J47; 35J60DOI: 10.2298/FIL2105453B
Exponential moments and simultaneous approximation properties for Durrmeyer type operators with weights of Szasz basis functions 1465 - 1475
Antonio-Jesús López-Moreno and Vijay Gupta  
AbstractKeywords: Durrmeyer operators; Szász operators; Voronovskaja formula; weighted approximation; remainder estimateMSC: 41A25; 41A36; 41A60DOI: 10.2298/FIL2105465L
On S-2-absorbing primary submodules 1477 - 1487
Osama A Naji  
AbstractKeywords: S-2-Absorbing Primary Submodules; 2-Absorbing Primary Submodules; S-Primary submodulesMSC: 16P40; 13A15; 16D60DOI: 10.2298/FIL2105477N
Regular methods of summability and the Banach-Saks property for double sequences 1489 - 1494
Raluca Dumitru, Jose A Franco and Richard F Patterson  
AbstractKeywords: Banach-Saks; Double Sequences; β-subsequencesMSC: 40B05; 40A05DOI: 10.2298/FIL2105489D
A fast compact difference scheme for the fourth-order multi-term fractional sub-diffusion equation with non-smooth solution 1495 - 1509
Dakang Cen, Zhibo Wang and Yan Mo  
AbstractKeywords: Fourth-order multi-term fractional sub-diffusion equation; Non-smooth solution; Fast compact difference scheme; Stability and convergenceMSC: 65M06; 65M12; 35R11DOI: 10.2298/FIL2105495C
Estimates for the maximal modulus of rational functions with prescribed poles 1511 - 1517
Gradimir V Milovanović, Abdullah Mir and Abrar Ahmad  
AbstractKeywords: Polynomials; Rational functions; Bernstein-inequality; Prescribed polesMSC: 30A10; 30C10; 26D10DOI: 10.2298/FIL2105511M
Generalized Riemannian spaces with respect to 4-velocity vectors and functions of state parameters 1519 - 1541
Nenad O Vesić, Dragoljub D Dimitrijević and Dušan J Simjanović  
AbstractKeywords: generalized Riemannian space; non-symmetric metric tensor; energy-momentum tensor; pressure; energy-density; parameter of state functionMSC: 53A45; 83F05; 35A08; 83C65DOI: 10.2298/FIL2105519V
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