Bipan Hazarika is Professor of Mathematics, Gauhati University, Guwahati, Assam. Earlier, he worked in Rajiv Gandhi University, Arunachal Pradesh, India, from 2005 to 2017, and had been Professor there until 2017. With over 190 research articles in several international journals, he is Reviewer of over 50 journals. He published books on Differential Equations , Differential Calculus and Integral Calculus. Recently he edited following books: Sequence Spaces Theory and Applications, Fixed Point Theory and Fractional Calculus: Recent Advances and Applications (Springer), Approximation Theory, Sequence Spaces and Applications (Springer), Advances in Mathematics Analysis and its Applications and Advances in Topology, Dynamical Systems and Interdisciplinary Applications. Nazibuddin Ahmed is Professor and Head of Mathematics, Gauhati University, Assam, India. Earlier, he served Cotton University, Guwahati, for 20 years; Arya Vidypeeth College, Guwahati, for 2.5 years. He earned his M.Sc. in Mathematics degree in the year 1982 and his PhD degree in 1991 from Gauhati University. Later, he was awarded the DSc degree by Gauhati University in 2018 for his research work in the field of heat and mass transfer in hydromagnetic flows. He has more than 200 research papers published in several reputed journals. He has so far guided 21 research scholars for their PhD degrees. The author of four books in mathematics, including Thermal and Solutal Convections in Some Hydromagnetic Flows (Springer), his present research fields are magneto-fluid dynamics and heat and mass transfer. Taher Armaghani is Associate Professor in the Department of Mechanical Engineering, Islamic Azad University, West Tehran Branch, Tehran, Iran. He did his M.Sc. and PhD from Shahrood University of Technology, Shahrood, Iran, in the year 2009 and 2014, respectively. He has published more than 60 research papers in internationally reputed journals. He is a member of building innovation center at Semnan province, Iran. His research interests include energy storage with nanotechnology, nanofluid, NEPCM, nanogenerators, entropy generation minimization, fluid flow, heat transfer in complex problems. On the editorial board of the Journal of Nanofluids and the International Journal of Bio-Inorganic Hybrid Nanomaterials, he has authored/edited four books: Applications of Nanofluids and Nanofluids Applications in Microelectronics. Ali J. Chamkha is Professor and Dean of Engineering at Kuwait College of Science and Technology. Earlier, he was Dean of Graduate Studies and Research, Director of the University Research Center and Chairman of the Mechanical Engineering Department, at Prince Mohammad bin Fahd University. He earned his PhD from Tennessee Technological University, USA, in 1989. His research encompasses multiphase fluid-particle dynamics, nanofluid dynamics, fluid flow in porous media, heat and mass transfer, magnetohydrodynamics and fluid-particle separation. He is Editor, Associate Editor and board member for over 15 journals. With over 800 research papers to his name, he is reviewer for more than 75 scientific journals. He has received numerous awards, including the Young Arab Researcher Award in Engineering Sciences (1999), Senior Scientist Award by the American Filtration and Separation Society (2007), Khalifa Award for Distinguished University Professor in Scientific Research (2011), and Khwarizmi International Award in Engineering (2012). Iguer Luis Domini dos Santos is Assistant Professor of Mathematics at São Paulo State University, Brazil. He received his M.Sc. and PhD degrees in Mathematics from São Paulo State University, in 2008 and 2011, respectively. His research interests include ODEs and optimal control. With more than 25 research articles published in his name, he is a reviewer of more than 30 journals of repute published by several renowned publishers.
