Proceedings of International Conference on Trends in Computational and Cognitive Engineering : TCCE 2019 Optical Chaotic Cryptosystem for Phase Images Using Random Amplitude and Phase Masks with Lorenz Map in Fresnel Domain Exact Series Solutions and Conservation Laws of Time Fractional Three Coupled KdV System Asymmetric Cryptosystem Using Structured Phase Masks in Discrete Cosine and Fractional Fourier Transforms Impact of Interchange of Coefficients on Various Fixed Point Iterative Schemes Quaternion Octonion to Dodecanion Manifold: Stereographic Projections from Infinity Lead to a Self Operating Mathematical Universe Biogeography Based Optimization (BBO) Trained Neural Networks for Wind Speed Forecasting Extended VIKOR TODIM Approach Based on Entropy weight for Intuitionistic Fuzzy Sets A Novel Algorithm for Allocation of General Elective Subjects in Choice Based Credit System Mathematical Modeling of Carotid Artery with an Incompressible Newtonian and Axisymmetric Flow On the Mild Solutions of Impulsive Semilinear Fractional Evolution Equations. This book presents various computational and cognitive modeling approaches in the areas of health education finance theenvironment engineering commerce and industry. Gathering selected conference papers presented atthe International Conference on Trends in Computational and Cognitive Engineering (TCCE) it sharescutting edge insights and ideas from mathematicians engineers scientists and researchers anddiscusses fresh perspectives on problem solving in a range of research areas.