This book contains select chapters of proceedings presented at the Second International Conference on Mathematics and its Applications, held in Antalya, Turkey, from 9 to 13 November 2023. Contributors are all active academicians and researchers in their respective fields. It includes chapters on algebra, ring theory, algebraic coding theory, algebraic graph theory, and differential equations. The book covers recent research in the boundaries of several fields of mathematics, particularly algebra and differential equations with applications. It will be useful not only to experts but also to the beginners of research in algebras, differential equations and related topics.