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Front Page Kragujevac Journal of MathematicsPublisher: Prirodno-matematički fakultet Kragujevac, KragujevacISSN: 1450-9628Issue: 44_2Date: 2020Journal Homepage

On the Estrada Index of Point Attaching Strict $k$-Quasi Tree Graphs 165 - 179
Mohammad A. Iranmanesh and Raziyeh Nejati  
AbstractKeywords: Estrada index; quasi tree graph; point attaching strict $k$-quasi tree graphMSC: 05C35; 05C50
New Upper and Lower Bounds for Some Degree-based Graph Invariants 181 - 188
A. Ghalav, A. Ashrafi and I. Gutman  
AbstractKeywords: degree (of vertex); coindex; forgotten index; $F$-index; Zagreb indexMSC: 05C07; 05C90
Existence, Uniqueness and Stability of Periodic Solutions for Nonlinear Neutral Dynamic Equations 189 - 203
F. Bouchelaghem, A. Ardjouni and A. Djoudi  
AbstractKeywords: fixed point; periodic solutions; stability; dynamic equations; time scalesMSC: 34K13; 34A34; 34K30; 34L30
Some Commutativity Theorems for Near-Rings with Left Multipliers 205 - 216
A. Boua, A. Y. Abdelwanis and A. Chillali  
AbstractKeywords: $3$-Prime near-ring; derivations; commutativity; generalized derivation; left multiplierMSC: 16Y30; 16N60; 16W25
Soft Interior-Hyperideals in Left Regular LA-Semihypergroups 217 - 236
M. Y. Abbasi, S. A. Khan, A. F. Talee and A. Khan  
AbstractKeywords: LA-semihypergroups; soft interior-hyperideals; left regular LA-semihypergroupsMSC: 20N20; 20M99; 03E75
Some Results on Super Edge-Magic Deficiency of Graphs 237 - 249
M. Imran, A. Q. Baig and A. S. Feňovčíková  
AbstractKeywords: super edge-magic total labeling; super edge-magic deficiency; block graph; snake graph; prism; corona of graphs; square of graph
Laplace Transform and Homotopy Perturbation Methods for Solving the Pseudohyperbolic Integrodifferential Problems with Purely Integral Conditions 251 - 272
A. Necib and A. Merad  
AbstractKeywords: pseudohyperbolic integrodifferential equation; a priori estimate; Laplace transform method; Stehfest algorithm; homotopy perturbation methodMSC: 05C38; 15A15; 05A15; 15A18
Some Matrix and Compact Operators of the Absolute Fibonacci Series Spaces 273 - 286
Fadime Gökçe and Mehmet Ali Sarigöl  
AbstractKeywords: absolute summability; Fibonacci numbers; matrix transformations; sequence spaces; bounded operators; Hausdroff meausures of noncompactnessMSC: 40C05; 11B39; 40D25; 40F05; 46A45
A Note on Almost Anti-Periodic Functions in Banach Spaces 287 - 297
M. Kostić and D. Velinov  
AbstractKeywords: almost anti-periodic functions; almost periodic functions; anti-periodic functions; Bohr transform; Banach spacesMSC: 35B15; 34G25; 47D03; 47D06
Hyers-Ulam Stability of a Free and Forced Vibrations 299 - 312
R. Murali and A. Ponmana Selvan  
AbstractKeywords: Hyers-Ulam stability; Hyers-Ulam-Rassias stability; free damped vibrations; undamped vibrations; forced vibrations and initial conditionsMSC: 34K20; 26D10; 34A30; 34A40; 39B82; 44A10; 39A10; 34C20; 45D05
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