Kadhavoor R. Karthikeyan1, Dharmaraj Mohankumar2 and Daniel Breaz3 1Department of Applied Mathematics and Science, National University of Science and Technology, Muscat P.O. Box 620, Oman. 2Department of Mathematics for Innovation, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai 602105, India 3Department of Mathematics, “1 Decembrie 1918” University of Alba Iulia,...

K. R. Karthikeyan1 and G. Murugusundaramoorthy2 1Department of Applied Mathematics and Science, College of Engineering National University of Science and Technology, Muscat, Oman. 2Department of Mathematics, School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, Tamil Nadu, India

R. Sathish Srinivasan1, R. Ezhilarasi1, K. R. Karthikeyan2 and T.V. Sudharsan1 1 Department of Mathematics, S.I.V.E.T. College, Gowrivakkam, Chennai - 600073, Tamil Nadu, India. 2Department of Applied Mathematics and Science, College of Engineering National University of Science and Technology, Muscat, Oman.

Ganesh Radhakrishnan1 and Kadhavoor R. Karthikeyan2 1Mechanical & Industrial Section, College of Engineering and Technology, University of Technology and Applied Sciences, Nizwa P.O. Box 477, Oman 2Department of Applied Mathematics and Science, National University of Science and Technology, Muscat P.O. Box 620, Oman

Kadhavoor R. Karthikeyan1, Dharmaraj Mohankumar2 and Daniel Breaz3 1Department of Applied Mathematics and Science, National University of Science and Technology, Muscat P.O. Box 620, Oman. 2Department of Mathematics for Innovation, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai 602105, India 3Department of Mathematics, “1 Decembrie 1918” University of Alba Iulia,...