Harmonic Integrals is a mathematical text written by Georges De Rham. The book focuses on the topic of harmonic integrals, which are integrals that are defined in terms of harmonic functions. The text provides a comprehensive introduction to the theory of harmonic integrals, including their properties, applications, and various techniques for solving them. The book is aimed at advanced undergraduate and graduate students in mathematics, as well as researchers and professionals working in the field of mathematical analysis. The text is highly regarded for its clear and concise writing style, as well as its thorough coverage of the subject matter. Overall, Harmonic Integrals is an essential resource for anyone interested in the theory and applications of harmonic integrals.Lectures Delivered In A Seminar Conducted By Professors Hermann Weyl And Karl Ludwig Siegel At The Institute For Advanced Study, 1950.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.