Français
1. Introduction
The spectral theorem, notwithstanding its abstract aspect, is the foundation or model on which many applications are based, whether of a theoretical nature such as the study of operator algebras, or of a more practical nature such as that of partial differential equations.
1.1 Two examples
There's nothing extraordinary about the situation described in the preamble, but let's take a look at two examples in the context of sequences or functions with integrable squares.
In the space
The Ultimate Scientific and Technical Reference
This article is included in
Mathematics
This offer includes:
Knowledge Base
Updated and enriched with articles validated by our scientific committees
Services
A set of exclusive tools to complement the resources
Practical Path
Operational and didactic, to guarantee the acquisition of transversal skills
Doc & Quiz
Interactive articles with quizzes, for constructive reading
Introduction
Continuous functional calculation
Bibliography
Websites
PAULIN (F.). – Complements to spectral theory and harmonic analysis http://www.math.u-psud.fr/∼ paulin/notescours/cours_magistere2.pdf
The Ultimate Scientific and Technical Reference
