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Front Page FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 32_14Date: 2018Journal Homepage

Resolvents of Functions of Operators with Hilbert-Schmidt Hermitian Components 4937 - 4947
Michael Gil'  
AbstractKeywords: operator functions; norm estimates; operator equations; spectrum localizationMSC: 47A56; 47A10; 47A60; 47B10; 47A63DOI: 10.2298/FIL1814937G
On lower density type operators and topologies generated by them 4949 - 4957
Jacek Hejduk, Sebastian Lindner and Anna Loranty  
AbstractKeywords: Abstract density topology; almost-abstract density topology; semi-abstract topology; lower density operator; almost-lower density operator; semi-lower density operatorMSC: 54A05; 28A05; 54A10DOI: 10.2298/FIL1814949H
On the Breather Waves, Rogue Waves and Solitary Waves to a Generalized (2+1)-dimensional Caudrey-Dodd-Gibbon-Kotera-Sawada Equation 4959 - 4969
Wei-Qi Peng, Shou-Fu Tian and Tian-Tian Zhang  
AbstractKeywords: The generalized (2+1)-dimensional CDGKS equation; Bilinear form; Homoclinic breather wave; Rogue waveMSC: 34C14; 35L65DOI: 10.2298/FIL1814959P
On Para-Kenmotsu Manifolds 4971 - 4980
Simeon Zamkovoy  
AbstractKeywords: para-Kenmotsu manifolds; 3-dimensional para-Kenmotsu manifolds; locally 'symmetric; manifolds of constant curvature; η-parallel Ricci tensorMSC: 53D15DOI: 10.2298/FIL1814971Z
Existence of nonoscillatory solutions to third order nonlinear neutral difference equations 4981 - 4991
K S Vidhyaa, C Dharuman, John R Graef and E Thandapani  
AbstractKeywords: Third order; nonoscillation; neutral delay difference equation; positive and negative coefficientsMSC: 39A10DOI: 10.2298/FIL1814981V
Arens regularity and weakly compact operators 4993 - 5002
Janko Bračič  
AbstractKeywords: Arens regular bilinear operator; weakly compact operatorMSC: 46H99; 47B10DOI: 10.2298/FIL1814993B
Infinitely many solutions for a fourth order singular elliptic problem 5003 - 5010
M Makvand Chaharlang and A Razani  
AbstractKeywords: Infinitely many solutions; singular problem; p-biharmonic operator; variational methods; Rellich’s inequalityMSC: 35J40; 34B16; 35J30DOI: 10.2298/FIL1814003M
Closure operators on graphs for modeling connectedness in digital spaces 5011 - 5021
Josef Šlapal  
AbstractKeywords: Simple grap; walk; closure operator; digital space; Khalimsky topology; Jordan curve theoremMSC: 54A05; 05C40; 52C99DOI: 10.2298/FIL1814011S
The sum of the interior angles in geodesic and translation triangles of SL]2(R) geometry 5023 - 5036
Géza Csima and Jenő Szirmai  
AbstractKeywords: Thurston geometries; SL]2(R) geometry; triangles; spherical geometryMSC: 52C17; 52C22; 52B15; 53A35; 51M20DOI: 10.2298/FIL1814023C
On some generalizations of Horadam's numbers 5037 - 5052
Hacène Belbachir and Amine Belkhir  
AbstractKeywords: r-circulant matrix; spectral norm; Horadam numbers; incomplete Horadam numbers; hyper-Horadam numbersMSC: 15A60; 15B05; 15B36; 11B39DOI: 10.2298/FIL1814037B
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