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 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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