Conférence - DimaScat : Théorie du scattering et asymptotiques spectrales d'opérateurs différentiels - en l'honneur de Dimitri Yafaev

Mercredi 20 Avril

09:00 - 09:30:  Welcome
Opening

09:30 - 10:30:  Ludvig Faddeev (Steklov Institute of Mathematics of the Russian Academy of Sciences, St. Petersburg)
Spectral problem with applications in quantum complex analysis

10:30 - 11:00:  Coffee break

11:00 - 12:00:  Bernard Helffer (Université de Nantes)
The Ginzburg-Landau functional with vanishing magnetic field

12:00 - 14:00:  Lunch

14:00 - 15:00:  Gian Michele Graf (ETH Zürich)
Topological insulators and scattering theory

15:00 - 16:00:  Nikolai Filonov (Steklov Institute of Mathematics of the Russian Academy of Sciences, St. Petersburg)
On the structure of the edges of spectral bands of the periodic Schrödinger operator

16:00 - 16:30:  Coffee break

16:30 - 17:30:  Nicolas Raymond (Université de Rennes 1)
Magnetic harmonic approximation

Jeudi 21 Avril

09:00 - 10:00:  Leonid Pastur (Institute for Low Temperature Physics and Engineering, Karkov)
Asymptotic trace formulas for ergodic operators and related topics of quantum informatics

10:00 - 10:30:  Coffee break

10:30 - 11:30:  Alexander Pushnitski (King's College London)
Spectral asymptotics for a class of compact Hankel operators

11:30 - 12:30:  Didier Robert (Université de Nantes)
Irregular time dependent perturbations of quantum Hamiltonians

12:30 - 14:30:  Lunch

14:30 - 15:30:  Grigori Rozenblum (Chalmers University of Technology, Gothenburg)
Eigenvalue estimates and asymptotics for Toeplitz operators with compactly supported symbols (an extreme case of Birman-Yafaev results on the spectrum of the scattering matrix)

15:30 - 16:30:  Timo Weidl (Universität Stuttgart)
Semiclassical spectral bounds with remainder terms

16:30 - 17:00:  Coffee break

17:00 - 17:30:  Andrei Yafaev (University College London)
A few words about Dima by Andrei

19:30 - 00:00:  Conference dinner

Vendredi 22 Avril

09:00 - 10:00:  Maxim Skriganov (Steklov Institute of Mathematics of the Russian Academy of Sciences, St. Petersburg)
Point distributions in compact metric spaces

10:00 - 10:30:  Coffee break

10:30 - 11:30:  Tatyana Suslina (Saint Petersburg State University, St. Petersburg)
Spectral approach to homogenization of nonstationary Schrödinger-type equations

11:30 - 12:30:  Alexander V. Sobolev (University College London)
Multi-parameter asymptotics for Wiener-Hopf operators

12:30 - 13:30:  Lunch

Partenaires

Irmar LMJL ENS Rennes LMBA LAREMA

Tutelles

ANR CNRS Rennes 1 Rennes 2 Nantes INSA Rennes INRIA ENSRennes UBO UBS Angers UBL