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Front Page Kragujevac Journal of MathematicsPublisher: Prirodno-matematički fakultet Kragujevac, KragujevacISSN: 1450-9628Issue: 44_3Date: 2020Journal Homepage

More About Petrović's Inequality on Coordinates via $m$-Convex Functions and Related Results 335 - 351
Atiq Ur Rehman, Ghulam Farid and Wasim Iqbal  
AbstractKeywords: Petrović's inequality; mean value theorem; log-convexity; $m$-convex functions on coordinatesMSC: 26A51; 26D15; 35B05
Certain Generating Matrix Functions of Legendre Matrix Polynomials Using Lie Algebraic Method 353 - 368
Ayman Shehata  
AbstractKeywords: Legendre matrix polynomials; Legendre differential matrix equation; generating matrix functions; Lie algebraMSC: 33C45; 33C50 33C80; 15A60
On the Hermite-Hadamard Type Inequalities for Fractional Integral Operator 369 - 378
H. Yaldız and M. Z. Sarıkaya  
AbstractKeywords: Fractional integral operator; convex function; Hermite-Hadamard inequalityMSC: 26A33 26D10; 26D15; 33E20
An Approximate Approach for Systems of Fractional Integro-Differential Equations Based on Taylor Expansion 379 - 392
M. Didgar, A. R. Vahidi and J. Biazar  
AbstractKeywords: Fractional differential equation (FDE); systems of fractional integro-differential equations (SFIDE); Riemann-Liouville fractional derivative; Taylor expansion; error analysisMSC: 65R20 34A08
On Caputo Fractional Derivatives via Convexity 393 - 399
G. Farid  
AbstractKeywords: Convex function; Caputo fractional derivativesMSC: 26D15 26A51; 26A33
Best Proximity Point Results via Simulation Functions in Metric-Like Spaces 401 - 413
G. V. V. J. Rao, H. K. Nashine and Z. Kadelburg  
AbstractKeywords: $\mathcal Z$-contraction; best proximity point; simulation function; admissible mappingMSC: 41A50 47H10; 54H25
Numerical Radius Inequalities in 2-Inner Product Spaces 415 - 421
Panackal Harikrishnan, Hamid Reza Moradi and Mohsen Erfanian Omidvar  
AbstractKeywords: $2$-inner product space; linear $2$-normed space; numerical range; numerical radiusMSC: 46C50 47A12; 47L30; 47A30
Paracontact Metric $(\tilde\kappa,\tilde\mu)$ $\tilde R$ -Harmonic Manifolds 423 - 430
I. Küpeli Erken  
AbstractKeywords: Paracontact metric manifolds; $R$-harmonic manifold; $(\kappa;\mu )$-nullity distributionMSC: 53B30; 53C25 53D10
On the Normalized Laplacian Spectrum of Some Graphs 431 - 442
Renny P. Varghese and D. Susha  
AbstractKeywords: Normalized Laplacian spectrum; normalized Laplacian energy; Kemeny's constant; spanning treeMSC: 05C50; 05C90
Convergence of Double Cosine Series 443 - 458
Karanvir Singh and Kanak Modi  
AbstractKeywords: Rectangular partial sums; $L^r-$convergence; $Ces\gravearo $ means; monotone sequencesMSC: 42A20; 42A32
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