Introduction to Functional Analysis
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Beschreibung
Functional analysis has become one of the essential foundations of modern applied mathematics in the last decades, from the theory and numerical solution of differential equations, from optimization and probability theory to medical imaging and mathematical image processing.
This textbook offers a compact introduction to the theory and is designed to be used during one semester, fitting exactly 26 lectures of 90 minutes each. It ranges from the topological fundamentals recalled from basic lectures on real analysis to spectral theory in Hilbert spaces. Special attention is given to the central results on dual spaces and weak convergence.
Functional analysis has become one of the essential foundations of modern applied mathematics in the last decades, from the theory and numerical solution of differential equations, from optimization and probability theory to medical imaging and mathematical image processing.
This textbook offers a compact introduction to the theory and is designed to be used during one semester, fitting exactly 26 lectures of 90 minutes each. It ranges from the topological fundamentals recalled from basic lectures on real analysis to spectral theory in Hilbert spaces. Special attention is given to the central results on dual spaces and weak convergence.
Presents essential knowledge in a compact format Concentrates on the theoretical fundamentals relevant to applied mathematics Includes carefully chosen examples and exercises
Autor*in
Christian Clason
Themen in »Introduction to Functional Analysis«
normed vector space linear operators dual space weak convergence spectrum
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“The first remarkable aspect of this unique book is its unifying approach. … The book also is well written, is self-contained, and includes timely, useful lists of references. Any researcher or graduate student working on fractional-in-time semilinear equations should read this essential book.” (Pablo Raúl Stinga, SIAM Review, Vol. 64 (1), March, 2022)
“In my next functional analysis course I will definitely include Clason’s book in my reading list … . this book is a valuable addition to the literature for anyone teaching a one-semester course in functional analysis. It covers all the important topics that we want graduate students to understand, and in a very structured and efficient way. Students may find it helpful to have an efficient and concise textbook for self-study and reference purposes.” (Armin Schikorra, SIAM Review, Vol. 63 (4), December, 2021)
“I do like the book! Most impressive to me is perhaps that the whole text is just 160 pages and still the explanations do not feel condensed while really the essential points are taken care of.” (Olav Nygaard, zbMATH 1461.46001, 2021)
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