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Introduction to Functional Analysis: Theory and Applications
Hardcover
ISBN13: 9783032374141
Publisher: Springer
Published: Jan 11 2027
Pages: 542
Language: English
Introduction to Functional Analysis: Theory and Applications is a comprehensive and modern introduction to one of the most important foundations of contemporary mathematics. Originally published in Spanish and widely adopted throughout the Latin American academic community, this English edition presents a thoroughly revised and expanded translation of the acclaimed second edition.
Designed to serve both as a graduate-level textbook and a long-term reference work, the book develops the fundamental results of Functional Analysis while emphasizing their role in mathematics, physics, engineering, and computational science. Core topics include duality, linear operators, variational problems, compact operators, spectral theory, weak topologies, distribution theory, and Sobolev spaces, complemented by numerous applications to partial differential equations, numerical analysis, and finite element methods.
A distinguishing feature of the text is its unified and interconnected approach. Rather than treating subjects as isolated topics, the author carefully links concepts, proofs, and results across chapters, helping readers develop a deeper understanding of the discipline as a coherent whole. Banach and Hilbert space theory are intentionally woven together, enabling readers to appreciate both their common foundations and their essential differences. Likewise, important applied topics such as Babuska-Brezzi theory, distribution theory and Sobolev spaces are revisited throughout the book from multiple perspectives, reinforcing understanding and highlighting their broad relevance.
Drawing on decades of teaching and internationally recognized research, Gabriel N. Gatica combines rigorous mathematical exposition with practical applications, detailed proofs, and research-inspired exercises. The result is a distinctive and engaging text that supports advanced undergraduate and graduate study while providing researchers and practitioners with a valuable reference across a wide range of mathematical and engineering disciplines.
Ideal for courses in Functional Analysis, Applied Mathematics, Partial Differential Equations, Optimization, Numerical Analysis, Finite Element Methods, and Mathematical Methods in Physics and Engineering.
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