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Christiane Tretter: Operator theory and applications: a successful interplay

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Time: Wed 2015-02-04 15.15 - 16.15

Lecturer: Christiane Tretter, Universität Bern and Stockholms Universitet

Location: Lecture hall Oskar Klein, AlbaNova


14.00-15.00 Pre-colloquium by PhD student Christoph Neuner (Room FB42, AlbaNova)
15:15-16:15 Colloquium lecture by Christiane Tretter (Room Oskar Klein, AlbaNova)
16:15-17:00 SMC social get together with refreshments


The theory of linear operators is an important tool to investigate the stability of physical systems or their time evolution. In turn, applications from physics and engineering have contributed considerably to the advances of operator theory. The most prominent example of this fruitful interaction is the interplay between quantum mechanics and the theory of self-adjoint operators in Hilbert spaces.

The talk will focus on more recent applications of operator theory, including magnetohydrodynamics and hydrodynamics. Special attention will be paid to non-selfadjoint eigenvalue problems. Here numerical calculations may fail to produce reliable results and, thus, rigorous analytical information provided by operator theoretic methods is highly desirable.

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Claudio Procesi: Analytic and combinatorial aspects of the Non Linear Schroedinger equation (NLS) on a torus 2015‑05‑27
Alexander Razborov: Continuous Combinatorics 2015‑03‑18
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