A Study About [(γ,γ')]α -Regular Spaces, Normal Spaces with (γ,γ') -Open sets and α(γ,γ')- Open sets -- The Role of Harvesting in a Food Chain Model and its Stability Analysis -- Inventory Queuing System Study Using Simulation and Birth-Death Process -- Steady State Analysis of Bulk Queueing System with Renovation, Prolonged Vacation and Tune-up/shutdown Times -- Estimation of Public Compliance with Covid-19 Prevention Standard Operating Procedures through a Mathematical Model -- Campus Recruitment Cost Analysis: A Roadmap for HR Managers -- Certain Types of Domination In Nover Top Graphs -- Analysis and Classification of Physiological Signals for Emotion Detection -- Wiener and Zagreb indices for Helm and Web Graph -- Disease Classification using Particle Swarm Optimization with Fuzzy Neural Network.

The conference proceeding of ICMMCS 2021 presents most recent scientific and technological advances in the fields of engineering mathematics and computational science to strengthen the links in the scientific community. It is a collection of high-quality, peer-reviewed research papers presented at the Second International Conference on Mathematical Modeling and Computational Science (ICMMCS 2021), held online during October 29-30, 2021. The topics covered in the book are mathematical logic and foundations, numerical analysis, neural networks, fuzzy set theory, coding theory, higher algebra, number theory, graph theory and combinatory, computation in complex networks, calculus, differential educations and integration, application of soft computing, knowledge engineering, machine learning, artificial intelligence, big data and data analytics, high-performance computing, network and device security, Internet of Things (IoT).