Get personalized book recommendations based on your reading history and preferences. Our algorithm analyzes your favorite books and reading patterns to suggest your next great read.

Functional Equations is a category of mathematics books focused on equations in which the unknowns are functions, with the goal of determining all functions that satisfy given relations between inputs and outputs. Titles in this area cover classic equations (such as Cauchy, Jensen, d’Alembert, Abel, and Pexider), functional inequalities, fixed-point and iterative equations, and problems posed on various domains (reals, integers, groups, metric spaces). Typical methods include substitution, symmetry and invariance, regularity assumptions (continuity, monotonicity, boundedness), convexity, and tools from analysis, algebra, and number theory. The category spans accessible introductions and problem collections (including olympiad-style training) to advanced monographs and research texts, with applications to analysis, probability, information theory, geometry, and dynamical systems, often characterizing familiar functions like exponentials, logarithms, and trigonometric functions.

Filter books by their publication year. Enter the earliest year (Start) and latest year (End) to find books published within that period. Leave either field empty to search from the beginning of time or up to the present day.