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Sponsors: 
University of Luxembourg, Mathematics Research Unit
University Paul Verlaine, Metz, LMAM
IRTG  Geometry and Analysis of Symmetries, Paderborn-Metz
ESF Research Networking Programme  Harmonic and Complex Analysis and
Applications
(HCAA)
ESF Research Networking Programme  Interaction of lowdimensional Topology and
Geometry with Physics (ITGP)
Luxembourg Mathematical Society  (SML)
Additional travel funds from the sources of
the Steklov Mathematical Institute, Moscow, and from
Japanese funds.
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