Conference on Scientific Computing

Michel Crouzeix

Institute

Université de Rennes 1

Address

Le Gille Pesset 35830 BETTON

Presentation

oral (Plenary talk)

Title

Some estimates in a non self-adjoint context

Abstract

Spectral theory is a very efficient tool for estimating functions of a self-adjoint operator, but the situation is much more difficult if we consider non normal operators. We present some remarks which have been of use to us and illustrate them by some applications in numerical analysis.

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