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Front Page Novi Sad Journal of MathematicsPublisher: Department of Mathematics and Informatics, Faculty of Sciences, Novi SadISSN: 1450-5444 (Print), 2406-2014 (Online)Issue: 50_1Date: 2020Journal Homepage

Sharp Wirtinger's type inequalities For double integrals with applications 1 - 16
Mohammad W. Alomari  
AbstractKeywords: Wirtinger's inequality; Čebyšev functional; Grüss inequalityMSC: 26D15; 26B30; 26B35DOI:
A k-dimensional system of Langevin Hadamard-type fractional differential inclusions with 2k different fractional orders 17 - 36
Ali Mansoori, Hamidreza Rahimi and Shahram Rezapour  
AbstractKeywords: fixed point; Hadamard-type fractional differential Langevin inclusion; $k$-dimensional systemMSC: 34A60; 34B15DOI:
Commutative rings whose proper homomorphic images are nil clean 37 - 44
Mahdi Samiei  
AbstractKeywords: clean ring; nil clean ring; neat ring; nil neat ringMSC: 13A99; 13F99DOI:
PPF dependent fixed points of generalized contractive type mappings using C-class functions with an application 45 - 66
Gutti Venkata Ravindranadh Babu and Madugula Vinod Kumar  
AbstractKeywords: PPF dependent fixed point; Razumikhin class; multi-valued mapping; $\alpha-$admissible mapping; $\alpha^{*}-$admissible mapping; $C-$class function; graph; $G$-contractionMSC: 47H10; 54H25DOI:
Solvability of one nonlocal Dirichlet problem for the Poisson equation 67 - 88
Valery Karachik and Batirkhan Turmetov  
AbstractKeywords: nonlocal boundary value problem; Poisson equation; orthogonal matrix; involution; Dirichlet problem; Green's function; eigenfunctions; eigenvaluesMSC: 31B05; 35A09; 35C15
Beale-Kato-Majda's criterion for magneto-hydrodynamic equations with zero viscosity 89 - 97
Ahmad M. Alghamdi, Sadek Gaka and Maria Alessandra Ragusa  
AbstractKeywords: magneto-hydrodynamic equations with zero viscosity; $\overset{.}{B}_{\infty ;\infty }^{0}$ spaceDOI:
Fixed points of mappings over a locally convex topological vector space and Ulam-Hyers stability of fixed point problems 99 - 112
Kushal Roy and Mantu Saha  
AbstractKeywords: locally convex topological vector space; contraction mapping; Kannan-type contractive mapping; T-contraction mapping; T-Kannan-type contractive mapping; uniformly convergent mapping; sequentially convergent mapping; subsequentially convergent mappingMSC: 47H10; 54H25DOI:
Fuzzy $(h,\beta )$-contractions in non-Archimedean fuzzy metric spaces 113 - 127
Müzeyyen Sezen and Stojan Radenović  
AbstractKeywords: triangular $(h;\beta )$-admissible mapping; fuzzy $(h;\beta )$ -contractive mapping; fixed point; fuzzy metricMSC: 47H10; 54H25DOI:
Disjoint reiterative $m_{n}$-distributional chaos 129 - 155
Marko Kostić  
AbstractKeywords: disjoint $m_{n}$-distributional chaos; disjoint reiterative $m_{n}$-distributional chaos; Fréchet spacesMSC: 47A06; 47A16; 54H20DOI:
Cubic spline scheme on variable mesh for singularly perturbed periodical boundary value problem 157 - 172
A. Puvaneswari, A. Ramesh Babu and T. Valanarasu  
AbstractKeywords: singular perturbation; Periodical boundary value problem; Variable mesh; Boundary layers; Cubic spline schemeMSC: 65L10; 65L11; 65L60DOI:

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