Fourier series and integrals in one variable: Pointwise convergence, convergence in L2, summation of Fourier series and integrals. Theorems of Parseval and Plancherel.
Fourier series and integrals in several variable: Fourier analysis in higher dimensions and on discrete Abelian groups.
Fourier analysis of analytic functions: Hardy functions on the unit disk, Paley-Wiener Theorem, Hardy functions and filters.
Applications: Selection of the following. Heat equation, wave equation, isoperimetric inequality, Laplace equation on the unit disk and half-plane, Szegő’s Theorem.