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Front Page FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 37_17Date: 2023Journal Homepage

Golden Riemannian submersions 5659 - 5670
Semsi Eken Meriç  
AbstractKeywords: Riemannian submersion; Golden structure; Ricci soliton; Riemannian manifoldMSC: 53C15; 53C25DOI: 10.2298/FIL2317659M
A classification of cyclic Ricci semi-symmetric hypersurfaces in the complex hyperbolic quadric 5671 - 5690
Gyu Jong Kim, Young Jin Suh and Changhwa Woo  
AbstractKeywords: Cyclic Ricci semi-symmetric; A-isotropic; A-principal; Kähler structure; Complex conjugation; Complex hyperbolic quadricMSC: 53C40 53C55DOI: 10.2298/FIL2317671K
A nonexistence result of positive stable solutions to a weighted elliptic equation 5691 - 5700
Nam Phong Mai and Thi Hien Anh Vu  
AbstractKeywords: Liouville type theorems; Advection terms; Stable solutions; Elliptic equationsMSC: 35B53; 35J60; 35B35DOI: 10.2298/FIL2317691M
Bernstein-Nikolskii-Markov-type inequalities for algebraic polynomials in a weighted Lebesgue space 5701 - 5715
P Özkartepe, M Imashkyzy and F G Abdullayev  
AbstractKeywords: Bernstein inequality; Nikolskii inequality; Markov inequality; Algebraic polynomials; Conformal mapping; QuasicircleMSC: 30A10; 30C10; 41A17DOI: 10.2298/FIL2317701O
L-(resp. concave) down-directed convergence relation spaces and L-(resp. concave) filter convergence spaces 5717 - 5734
Xiu-Yun Wu, Hui-Min Zhang and Yu-Jie Liu  
AbstractKeywords: L-down–directed relation; L-down–directed convergence relation; L-concave down–directed convergence relation; L-concave filter; L-concave filter convergence structure; L-concave structureMSC: 54A40; 26A51DOI: 10.2298/FIL2317717W
Geometric properties of timelike surfaces in Lorentz-Minkowski 3-space 5735 - 5749
Sümeyye Gür Mazlum  
AbstractKeywords: Timelike surface; Lorentz-Minkowski 3-space; InvariantsMSC: 53A35; 53B30DOI: 10.2298/FIL2317735G
Sign-changing solutions with prescribed number of nodes for elliptic equations with fast increasing weight 5751 - 5764
Yonghui Tong and Giovany M Figueiredo  
AbstractKeywords: Variational methods; sign-changing solutions; critical exponential growthMSC: 35J20; 35J60DOI: 10.2298/FIL2317751T
B−maximal operators, B−singular integral operators and B−Riesz potentials in variable exponent Lorentz spaces 5765 - 5774
Canay Aykol and Esra Kaya  
AbstractKeywords: γ−rearrangement; Variable exponent Lorentz space; B−maximal operator; B−singular operator; B−Riesz potentialMSC: 42B20; 42B25; 42B35; 46E30; 47G10DOI: 10.2298/FIL2317765A
New results on fractional relaxation integro differential equations with impulsive conditions 5775 - 5783
Kulandhivel Karthikeyan, Gobi Selvaraj Murugapandian, Panjayan Karthikeyan and Ozgur Ege  
AbstractKeywords: Fractional relaxation impulsive integro-differential equations; Riemann-Liouville fractional derivative; Liouville- Caputo fractional derivative; Existence; Uniqueness; Nonlinear equations; Fixed pointMSC: 34A08; 34A12; 34B15; 34B37; 26A33DOI: 10.2298/FIL2317775K
Existence and regularity of solutions to unilateral nonlinear elliptic equation in Marcinkiewicz space with variable exponent 5785 - 5797
Benali Aharrouch, Ahmed Aberqi and Jaouad Bennouna  
AbstractKeywords: Non-linear equation; Obstacle problem; Existence; Regularity; Marcinkwincz with variable exponents; Rearrangement techniquesMSC: 35J87; 35R35; 49J40DOI: 10.2298/FIL2317785A
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