SOLVED AND UNSOLVED PROBLEMS IN THE THEORY OF TRIGONOMETRIC AND ORTHOGONAL SERIES

Abstract

CONTENTS ??1. Introduction ??2. Fourier coefficients ??3. Convergence ??4. Convergence to 0 and to +? ??5. Divergent series ??6. Summability ??7. The problem of the representation of functions ??8. Absolute convergence and summability ??9. Unconditional convergence ??10. Fourier series and integrals ??11. Basic problemsReferences