A. Zygmund-trigonometric Series, Third Edition,... ✔
This section covers foundational topics including basic Fourier series, coefficients, summability, function classes, special series, absolute convergence, complex methods, divergence, and Riemann's theory.
This section delves into advanced subjects, including interpolation, differentiation of series, operators, almost everywhere convergence, further complex methods, Littlewood-Paley functions, integrals, and multiple Fourier series. A. Zygmund-Trigonometric Series, Third Edition,...
The book is structured into two main parts, covering the following chapters: Part I: Foundations and Convergence (Chapters 1–9) differentiation of series