Results on nonlocal controllability for impulsive fractional functional integro-differential equations via degree theory

This manuscript mainly focuses on the nonlocal controllability analysis for the impulsive fractional functional integro-differential equation (IFrFIDE) in n-dimensional Euclidean space. To attain the solution representation of the given system, we use the Laplace transform technique and the Mittag-Leffler function. Initially, we obtained the existence and uniqueness of a solution by using the topological degree method, contraction mapping and Gronwall's inequality. Moreover, we also explore the nonlocal controllability results for our given problem. Furthermore, two numerical examples and a filter system are provided for our given dynamical system. It is helpful to demonstrate the efficacy of our findings.