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This book on functional analysis covers all the basics of the subject (normed, Banach and Hilbert spaces, Lebesgue integration and spaces, linear operators and functionals, compact and self-adjoint operators, small parameters, fixed point theory) with a strong focus on examples, exercises and practical problems, thus making it ideal as course material but also as a reference for self-study.

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Svetlin G. Georgiev, Kliment Ohridski University of Sofia, Bulgaria; Khaled Zennir, Qassim University, Saudi Arabia.

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