Introduction to Hilbert space / Nicholas Young.

Includes indexes.

Foreword;
Introduction;
1. Inner product spaces;
2. Normed spaces;
3. Hilbert and Banach spaces;
4. Orthogonal expansions;
5. Classical Fourier series;
6. Dual spaces;
7. Linear operators;
8. Compact operators;
9. Sturm-Liouville systems;
10. Green's functions;
11. Eigenfunction expansions;
12. Positive operators and contractions;
13. Hardy spaces;
14. Interlude: complex analysis and operators in engineering; 15. Approximation by analytic functions;
16. Approximation by meromorphic functions;
Appendix;
References;
Answers to selected problems;
Afterword;
Index of notation;
Subject index.

This textbook is an introduction to the theory of Hilbert space and its applications.