Sumários

Lecture 14: Fourier Transform, part III. Sobolev Spaces, part I

9 Abril 2019, 10:30 Hugo Tavares

The derivative of a temperate distribution is a temperate distribution. A polynomial times a tempered distribution is a tempered distribution. Formulas for derivatives of tempered distributions.
Introduction to the Sobolev Spaces W^{k,p}(Omega): definition, norms, examples, elementary properties.


Lecture 13. Fourier Transform, part II

5 Abril 2019, 12:00 Hugo Tavares

The Schwarz space: embeddings and dense sets.

The Fourier Transform and its inverse from the Schwarz space into itself,
Extension to L^2: Plancherel's and Parseval's formulas.


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4 Abril 2019, 11:00 Hugo Tavares

Trabalho autónomo dos alunos.


Lecture 12: Distributions part II; Fourier Transform part I

2 Abril 2019, 10:30 Hugo Tavares

Higher order derivative of a distribution. COmputation of the derivative of the fundamental solution of the Laplace Equation in the sense of distributions.
Definition of Fourier Transform and Inverse Fourier Transform in L^1.
The Schwarz space, definition of convergence.


Lecture 11: Distributions, part I

29 Março 2019, 12:00 Hugo Tavares

The theory of distributions.

- Definition of the test function space, and notion of convergence
- Definition of distribution and convergence in the sense of distributions. Examples.
- Derivative of a distribution.