Kragujevac Journal of Mathematics
University of Kragujevac - Faculty of Science

EDITORIAL BOARD

A Comparison of Conservation Laws of the Boussinesq System

Author: E. SABERI AND S. R. HEJAZI
Keyword: Boussinesq system, conservation laws, direct method, Noether’s theorem,Boyer’s formulation, Homotopy operator method.
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173–200

Some Application on Hurwitz Lerch Zeta Function Defined by a Generalization of the Srivastava Attiya Operator

Author: K. A. CHALLAB, M. DARUS AND F. GHANIM
Keyword: Analytic functions, generalized Hurwitz-Lerch zeta function, Srivastava-Attiya operator, differential subordination, differential superordination, dandwich-type results.
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201–217

Fractional Difference Equations of Volterra Type

Author: J. M. JONNALAGADDA
Keyword: Fractional order, backward difference, Volterra type, convolution, resol-vent, boundedness, stability, asymptotic stability.
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219–237

(σ,τ)-Derivations of Semiprime Rings

Author: M. J. ATTEYA, C. HAETINGER AND D. I. RASEN
Keyword: Semiprime rings, prime rings,(σ,τ)-derivations, torsion-free rings, com-muting mappings
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239–246

New Examples of F-Planar Curves in 3-Dimensional Warped Product Manifolds

Author: A. I. NISTOR
Keyword: F-planar curve, magnetic trajectory, warped product manifold.
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247–257

Further Improvements of Hermite-Hadamard Integral Inequality

Author: S. SIMIć
Keyword: Hermite-Hadamard integral inequality, convex function, mean value.
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259–265

Inner Higher Derivations on Algebras

Author: E. TAFAZOLI AND M. MIRZAVAZIRI
Keyword: Derivation, inner derivation, higher derivation, inner higher derivation.
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267–273

Scalar Curvature for Middle Planes in Odd-Dimensional Torseforming Almost Ricci Solitons

Author: M. CRASMAREANU
Keyword: Almost Ricci soliton, torse-forming vector field, scalar curvature.
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275–279

Extremely Irregular Unicyclic Graphs

Author: R. NASIRI, A. GHOLAMI, G. H. FATH-TABAR AND H. R. ELLAHI
Keyword: Irregularity, vertex degree, unicyclic graphs, trees.
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281–292

A New Pinching for Closed 3-Dimensional Hypersurfaces

Author: S. C. DE ALMEIDA, F. G. B. BRITO, M. SCHERFNER AND S. WEISS
Keyword: Minimal surfaces, pinching, constant curvature, Chern conjecture.
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293–301

New Classes of Simultaneous Cospectral Graphs for Adjacency, Laplacian and Normalized Laplacian Matrices

Author: A. DAS AND P. PANIGRAHI
Keyword: Spectrum, cospectral graphs,Q-vertex join,Q-edge join, spanning tree, Kirchhoff index.
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303–323