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Front Page FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 35_3Date: 2021Journal Homepage
 

On the resolvent existence and the separability of a hyperbolic operator with fast growing coefficients in L2 (R ² ) 707 - 721
Mussakan Muratbekov and Yerik Bayandiyev  
AbstractKeywords: hyperbolic type operator; a resolvent; an unbounded domainMSC: 35M10DOI: 10.2298/FIL2103707M
Two-step Ulm-type method for solving nonlinear operator equations 723 - 730
Wei Ma and Liuqing Hua  
AbstractKeywords: Nonlinear equation; Two-step; Ulm-type method; R-convergence rate 3MSC: 65H10; 65J15; 47H30DOI: 10.2298/FIL2103723M
Radon's and Helly's theorems for Bˉ¹ −convex sets 731 - 735
Serap Kemali, Ilknur Yesilce and Gabil Adilov  
AbstractKeywords: Radon’s theorem; Helly’s theorem; Caratheodory’s theorem; Bˉ¹-convex sets; Abstract convexityMSC: 52A20; 52A35; 52A05;24A51DOI: 10.2298/FIL2103731K
A new three-term conjugate gradient method for solving the finite minimax problems 737 - 758
Yue Hao, Shouqiang Du and Yuanyuan Chen  
AbstractKeywords: finite minimax problem; tensor structure; three-term nonlinear conjugate gradient method; global convergence; polynomial complementarity problemMSC: 90C47; 90C30; 15A69DOI: 10.2298/FIL2103737H
A unified common fixed point theorem for a family of mappings 759 - 769
Vijay Dalakoti, Ravindra K Bisht, R P Pant and Mahesh C Joshi  
AbstractKeywords: Upper-semi continuity; fixed point; φ− contraction; ( ε− δ)−contractionDOI: 10.2298/FIL2103759D
Inertial S-iteration forward-backward algorithm for a family of nonexpansive operators with applications to image restoration problems 771 - 782
Limpapat Bussaban, Attapol Kaewkhao and Suthep Suantai  
AbstractKeywords: S-iteration; forward-backward algorithm; nonexpansive operator; image restoration problemMSC: 47H09; 90C25; 65F22DOI: 10.2298/FIL2103771B
Laws of large numbers for infinite means with mixing sequences 783 - 793
Jian Han, Xiaoqin Li and Yudan Cheng  
AbstractKeywords: Law of large numbers; Infinite mean; Cauchy distribution; Mixing sequencesMSC: 60F05; 60F15DOI: 10.2298/FIL2103783H
Exponential decay and global existence of solutions of a singular nonlocal viscoelastic system with distributed delay and damping terms 795 - 826
Abdelbaki Choucha, Salah Boulaaras and Djamel Ouchenane  
AbstractKeywords: Viscoelastic equations; Global existence; General decay; Lyapunov functional; Distributed delayMSC: 35L35; 35L20DOI: 10.2298/FIL2103795C
Inference on a four-parameter generalized weighted exponential distribution 827 - 844
Ramin Kazemi, Akram Kohansal, Afshin Fallah and Fariba Nasiri  
AbstractKeywords: Four-parameter generalized weighted exponential distribution; Maximum likelihood estimation; Fisher information; Lifetime dataMSC: 62J05; 14M99DOI: 10.2298/FIL2103827K
Inequalities for sector matrices with negative power 845 - 854
Yaxin Gao  
AbstractKeywords: Sector matrices; function; positive linear map; InequalityMSC: 15A45; 15A60DOI: 10.2298/FIL2103845G
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