Table of Contents

C. Özman, T. Saner, F. Gül, M. Diederich, A. C. Benim, and U. Janoske, Computational and Experimental Investigation of Flow and Convective Heat Transfer along Rough Surfaces.- M. Kumar, Neelesh S. Upadhye, and A. K. B. Chand, Distribution of Noise in Linear Recurrent Fractal Interpolation Functions for Data Sets with α-Stable Noise.- Maggie E. Habeeb, Oblivious Transfer using Non-abelian Groups.- P. Kushwah and J. Saha, Solution of Population Balance Equation using Homotopy Analysis Method.- V. Singh, Waseem A. Khan, and A. Sharma, Certain Properties and their Volterra Integral Equation Associated with the Second-Kind Chebyshev Matrix Polynomials in Two Variables.- R. Saranya, N. Annapoorani, and J. Saha, Blow-up Analysis and Global Existence of Solutions for a Fractional Reaction-Diffusion Equation.- N. Rani and V. Mishra, Ways of Constructing Multiplicative Magic Cubes.- S. Singh Rawat and Komal, Novel q-Rung Orthopair Fuzzy Hamacher Dual Muirhead Mean Operator for Multi-Attribute Decision Making.- A. Srivastava and B. S. Bhadauria, Convective Instability in a Composite Nanofluid Layer under Local Thermal Non-equilibrium.- N. Madaan and S. Sharma, Investigation of Traffic Dynamics Considering Driver’s Characteristics and Downstream Traffic Conditions.- R. Pasupathi, M. A. Navascués, and A. K. B. Chand, Fractal Convolution Bessel Sequences on Rectangle.- S. Devaiya and S. K. Srivastava, Uniform Approximation of Functions Belonging to L[0,∞)-space Using Cγ.T Means of Fourier-Laguerre Series.- M. Diederich, F. Gül, C. Özman, A. C. Benim, L. Ihringer, and D. Möller, Numerical Modelling and Experimental Validation of Mechanical Separation of Helminth Eggs for Wastewater Purification.- H. A. Kumara Swamy, Sankar Mani, N. Keerthi Reddy, and S. R. Sudheendra, Heat Transfer and Second Law Analysis of Ag-water Nanoliquid in a Non-Uniformly Heated Porous Annulus.- Anjali and M. K. Singh, Qualitative Analysis of Peer Influence Effects on Testing of Infectious Disease Model.- R. Goel, R. C. Mittal, and N. Ahlawat, B-Splines Collocation Approach to Simulate Secondary Dengue Virus (DENV) Infection Model with Diffusion.- A. Kumar, B.S Bhadauria, and A. Srivastava, Study of Heat and Mass Transfer in a Composite Nanofluid Layer.- Bhagwat R. Yewale and Deepak B. Pachpatte, On the Existence and Stability Analysis for Ψ-Caputo Fractional Boundary-value Problem.- R. Rath and K. Sharma, Alternative Crack-tip Enrichment Functions for XFEM in Arbitrary Polarized Piezoelectric Media.- S. C. Sekhara Rao and A. K. Chaturvedi, Convergence Analysis of a Layer Resolving Numerical Technique for a Class of Coupled System of Singularly Perturbed Parabolic Convection-Diffusion Equations having an Interface.- P. Megha and G. Chandhini, Filtering in Time-dependent Problems.- N. Gupta and N. Kanth, Heat Transfer Model for Silk Finishing Calendar.- H. D. Arora, A. Naithani, and Aakanksha, A Multi-attribute Decision Making Approach for Fuzzy Divergence Measure in Selection of Covid-19 Vaccine.- N. Singh and Manish K. Khandelwal, Magnetohydrodynamic Mixed Convection Flow in a Vertical Channel Filled with Porous Media.- A. Ali, R. P. Sharma, and A. Zishan, Group Action on Fuzzy Ideals of Near-Rings.- R. Revathi, D. Narsimhulu, and A. Ramu, Effect of Viscosity on the Spherical Shock Wave Propagation in a Dusty Gas with Radiation Heat Flux and Exponentially Varying Density.- M. Arora and R. Bajaj, On the Stability of a Heated Inclined Fluid Layer with Gravity Modulation.- S. C. Srivastava, N. K. Thakur, and A. Pramanayagam, Dynamical Study of an Epidemiological Model with Harvesting and Infection in Prey Population.- G. Raiya and M. Mittal, Joint Decisions on Imperfect Production Process and Carbon Emission Reduction Under Carbon Regulations.- S. Naskar, N. Islam, R. Gayen, and R. Datta, Propagation of Water Waves in the Presence of a Horizontal Plate Submerged in a Two-layer Fluid.- P. Saini, Transversely Isotropic Homogeneous Medium with Absorbing Boundary Conditions: Elastic Wave Propagation using Spectral Element Method.- K. B. Devi, Reingachan N., and T. B. Singh, Growth of Polynomials having No-zero Inside a Circle.- V. Siwach, Manju S. Tonk, and H. Poonia, Simulation of Queues in Sugar Mills using Monte-Carlo Technique.- R. Singla, G. Singh, and V. Kanwar, An Adaptive Step-size Optimized Seventh-order Hybrid Block Method for Integrating Differential Systems Efficiently.- M. Diederich, L. Di Bartolo, and A. C. Benim, Comparison of Prediction Accuracy between Interpolation and Artificial Intelligence Application of CFD Data for 3D Cavity Flow.- J. Tushar, A. Kumar, and S. Kumar, Virtual Element Methods for Optimal Control Problems Governed by Elliptic Interface Problems.- Vijay and A.K.B. Chand, Positivity Preserving Rational Quartic Spline Zipper Fractal Interpolation Functions.- Z. Mkhize, N. Parumasurand, and P. Singh, Heptic Hermite Collocation on Finite Elements.- J. Raj Sharma and H. Singh, A Computationally Efficient Sixth-order Method for Nonlinear Models.- S. Panday, W. H. Chanu, and Y. N. Devi, New Higher Order Iterative Method for Multiple Roots of Nonlinear Equations.- M. Singh and A. Gupta, Separation Axioms in Bipolar Fuzzy Topological Spaces.- V. Singh and B. Singh, A Study of Ciric Type Generalized Contraction via B-contraction with Application.- D. Amin and D. B. Singh, Evolution of Weak Discontinuities in a Perfectly Conducting Mixture of Gas and Dust Particles.- S. Chawla and S. C. Sekhara Rao, Numerical Treatment for a Coupled System of Singularly Perturbed Reaction Diffusion Equations with Robin Boundary Conditions and having Boundary and Interior Layers.- M. Arora, M. Danesh, and A. Rana, Double-Diffusive Convection with the Effect of Rotation in Magnetic Nanofluids.- R. Sasikumar and P. Arriyamuthu, Modeling for Implications of Covid-19 Pandemic on Healthcare System in India.

About the Author

RAJESH KUMAR SHARMA is Assistant Professor at the Department of Mathematics, Nirma University, Ahmedabad, India. Earlier, he worked as Post-Doctoral Fellow at Universiti Kebangsaan Malaysia and National Taiwan University. He has more than 10 years of teaching and research experience. He has published research papers in SCI/SCIE/Scopus indexed journals and national/international conference proceedings. He has completed one externally sponsored research project funded by SERB, the Government of India. He has edited three conference proceedings, published by the American Institute of Physics. He is the life member of the Indian Society of Theoretical and Applied Mechanics and the Indian Society for Heat and Mass Transfer. His research interest is mainly in computational mechanics with focus on numerical simulation of fluid flow and heat transfer in boundary layer region. He has earned his Ph.D. degree from the Indian Institute of Technology (IIT) Roorkee, in 2011.

LORENZO PARESCHI is Professor of Numerical Analysis at the Department of Mathematics and Computer Science, University of Ferrara, Italy. He received his Ph.D. in Mathematics from the University of Bologna, Italy, and subsequently held visiting professorships at the Georgia Institute of Technology, Atlanta, USA; the University of Wisconsin-Madison, USA; the University of Orléans, France; and the University of Toulouse, France. He served as Department Chair from 2009–2018. He was awarded the Nelder Fellow at the Imperial College, London, UK, in 2015, and the John von Neumann Professor at the Technical University of Munich, Germany, in 2019. He is currently member of the steering committee of the Italian Society for Industrial and Applied Mathematics (SIMAI), and member of the Committee for Applications and Interdisciplinary Relations (CAIR) of the European Mathematical Society (EMS). He served as Associate Editor for several international journals among which are Multiscale Modelingand Simulation and the SIAM Journal on Scientific Computing. The results of his research activity are reported in more than 170 scientific publications and 5 books.

ABDON ATANGANA is Applied Mathematics professor at the University of the Free State, South Africa. He obtained his honours and master’s degrees from the Department of Applied Mathematics at the University of the Free State, South Africa, with distinction. He earned his Ph.D. degree in applied mathematics from the Institute for Groundwater Studies. He serves as Editor for 18 international journals and is also a reviewer of more than 200 international accredited journals and has been awarded the world champion of peer review twice, in 2016 and 2017. He also serves on more than 20 editorial boards of applied mathematics and mathematics journals. He has presented and participated in more than 20 international conferences and has been invited as plenary speaker at more than 10 international conferences of appliedmathematics and mathematics. His research interests are in methods and applications of partial and ordinary differential equations, fractional differential equations, perturbation methods, asymptotic methods, iterative methods, and groundwater modelling. He is the founder of the fractional calculus with non-local and non-singular kernels popular in applied mathematics today. Since 2013, he has published in 165 international accredited journals of applied mathematics, applied physics, geo-hydrology and bio-mathematics.

BIKASH SAHOO is Assistant professor at the Department of Mathematics, National Institute of Technology (NIT) Rourkerla, Odisha, India. He earned his Ph.D. degree from the Indian Institute of Technology (IIT) Roorkee. He has worked as a BOYSCAST fellow at the Norwegian University of Science and Technology, Norway. He has also worked as a postdoctoral fellow at Kyungpook National University, South Korea. Dr. Sahoo has more than 14 years of teaching and researchexperience. His area of research is mathematical fluid dynamics. He specifically works on non-Newtonian boundary layer flows. He has published numerous papers in journals of international repute and has presented many papers in national and international conferences. He has successfully guided many graduate and Ph.D. students. He has also worked in collaboration with eminent foreign researchers.

VIJAY KUMAR KUKREJA is Professor and Head, Department of Mathematics, Sant Longowal Institute of Engineering & Technology, Longowal, Punjab. He completed his Ph.D. in the year 1997 from the University of Roorkee, Roorkee. His research interests include mathematical modelling, data science and numerical solution of partial differential equations by using finite difference method, splines, and Hermite collocation methods. He has handled one research project each from the CSIR, New Delhi and the NBHM Mumbai. He has guided 6 Ph.D. students and 6 others are working under his supervision. He has delivered more than 30 invited talks at different institutions. Based on the research findings, he has published more than 60 papers in reputed international journals and presented more than 50 research papers at different conferences.