Kragujevac Journal of Mathematics
University of Kragujevac - Faculty of Science

EDITORIAL BOARD

Trees with the Minimal Second Zagreb Index

Author: M. ELIASI AND A. GHALAVAND
Keyword: Second Zagreb index, subdivision, tree.
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325–333

Approximation Results by Certain Genuine Operators of Integral Type

Author: V. GUPTA AND D. AGRAWAL
Keyword: Moments, factorial polynomials, Beta basis function, direct estimates, weighted modulus of continuity, K-functionals, bounded variation.
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335–348

Some Refinements of Hermite-Hadamard Inequality and an Open Problem

Author: S. SIMIĆ
Keyword: Hermite-Hadamard integral inequality, differentiable function, convex function.
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349–356

On System of Vector Quasi-equilibrium Problems for Multivalued Mappings

Author: A. P. FARAJZADEH AND A. SHAFIE
Keyword: Topological sup-semilattice, system of vector quasi-equilibrium problems,
lower C-continuous, multivalued mapping, C_Δ-quasiconcave.
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357–369

A New Class of Four-Point Fractional Sum Boundary Value Problems for Nonlinear Sequential Fractional Difference Equations Involving Shift Operators

Author: J. REUNSUMRIT AND T. SITTHIWIRATTHAM
Keyword: Existence, fractional difference equations, fractional sum, boundary value problem.
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371–387

Passage of Property (aw) from Two Operators to their Tensor Product

Author: M. H. M. RASHID
Keyword: Tensor Product, property (aw), perturbation, SVEP.
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389–398

Derivations of BE-Algebras from Hyper BE-Algebras

Author: M. HAMIDI A. BORUM SAEID
Keyword: (Hyper BE-algebra) dual hyper K-algebra, fundamental (BE-algebra) dual BCK-algebra.
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399–417

Generalized Suzuki Type Z-Contraction in Complete Metric Spaces

Author: A. PADCHAROEN, P. KUMAM, P. SAIPARA AND P. CHAIPUNYA
Keyword: Suzuki type Z-contraction, fixed point, metric space, nonlinear Hammerstein integral equations.
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419–430

Convergence analysis of least squares-Epsilon-Ritz algorithm for solving a general class of pantograph equations

Author: S. A. YOUSEFI, M. NOEI KHORSHIDI AND A. LOTFI
Keyword: Epsilon method, Least squares method, Pantograph equations, Ritz method.
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431–439

On Prime Labeling of Some Union Graphs

Author: S. K. PATEL AND J. VASAVA
Keyword: Union of graphs, one point union of cycles, prime labeling.
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441–452

Lie Point Symmetries, Hamiltonian Equations and Conservation Laws of the Geodesics on a Schwarzschild Black Hole

Author: S. REZA HEJAZI
Keyword: Schwarzschild metric, symmetry, Lie algebra, conservation laws, Hamiltonian equations.
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453–475