Sumários

Lesson no. 26: Evolution Problems, part IV

29 Maio 2018, 14:00 Hugo Tavares

The Hille-Yosida theorem (conclusion). Applications to the heat and wave equation.


Lesson no. 25: Evolution Problems, part III

25 Maio 2018, 11:00 Hugo Tavares

The abstract Cauchy problem.  The resolvent. Hille-Yosida theorem and Yosida approximation


Exercise class 13

24 Maio 2018, 11:00 Hugo Tavares

The Hille-Yosida Theorem and applications.
Solution of exercises 1 and 2 of Exercise sheet 9.


Lesson 24: Evolution Problems, part II

22 Maio 2018, 14:00 Hugo Tavares

Evolution Problems: the case of bounded operators (the exponential).
Definition of semigroup; contraction semigroups. The infinitesimal operator of a semigroup: differentiable properties, general properties.


Lesson 23: Elliptic Problems, part IV. Evolution Problems, part I

18 Maio 2018, 11:00 Hugo Tavares

Conclusion of the H^2-regularity for ellitpic problems. Higher interior regularity. Global regularity and application to the study of a 4th order problem.

Evolution Problems: motivations and abstract Cauchy Problem. Preliminaries on functions with values in Banach spaces (continuity, differentiability, integration).