Calculus of Variations, Optimal Control, and Mathematical Biology A Themed Issue Dedicated to Professor Delfim F. M. Torres on the Occasion of His 50th Birthday - Martins, Natália; Almeida, Ricardo; Silva, Cristiana João Soares da; Ammi, Moulay Rchid Sidi (MDPI - Multidisciplinary Digital Publishing Institute, 2023)
Keywords: ABC derivative; Abel equation; admissible positive functions; Adomian decomposition method; approximation solution; Banach fixed point theorem; basic reproduction number; boundary value problems; bounded variation functions; calculus of variations; Caputo derivative; compactness; controllability; convex surfaces; coronavirus disease 2019 (COVID-19); coronavirus infection system; COVID-19; data analysis; distributional derivatives; embeddings; epidemic fear; epidemiology; equilibrium; Euler–Lagrange equation; existence; existence analysis; fixed point theorems; fractional (p; fractional calculus; fractional control systems; fractional derivative; fractional derivatives; fractional differential equations; fuzzy fractional order derivative; fuzzy number; global sensitivity analysis; hybrid method; integration by parts formula; Kolmogorov–Riesz theorem; Lyapunov function; mathematical model; mathematical modeling; Mathematics and Science; maximum principle; measles; minimum energy; mixed constraints; multiplicative Euler–Lagrange equations; multiplicative integral functionals; n/a; Nemytskii operator; neutral evolution systems; Newton’s problem of minimal resistance; non-Newtonian calculus; optimal control; partial rank correlation coefficient (PRCC); periodic boundary value problems; Physics Informed Neural Networks; population dynamics; q)-difference; q)-integral; quantum mechanics; Reference, Information and Interdisciplinary subjects; Research and information: general; semi-analytical solution; Sobolev spaces; stability; surface area measure of a convex body; Ulam–Hyers stability; vaccination; vertical transmission; weighted generalized fractional calculus