Pierre Py
École normale supérieure de Lyon
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Publication
Featured researches published by Pierre Py.
arXiv: Geometric Topology | 2013
Pierre Py
We study homomorphisms from K¨ ahler groups to Coxeter groups. As an application, we prove that a cocompact complex hyperbolic lattice (in complex dimension at least 2) does not embed into a Coxeter group or a right-angled Artin group. This is in contrast with the case of real hyperbolic lattices.
Crelle's Journal | 2008
Pierre Py
Abstract We show, by an elementary and explicit construction, that the group of Hamiltonian diffeomorphisms of certain symplectic manifolds, endowed with Hofers metric, contains subgroups quasi-isometric to Euclidean spaces of arbitrary dimension.
American Journal of Mathematics | 2014
Nicolas Monod; Pierre Py
On the one hand, we construct a continuous family of non-isometric proper
Kyoto Journal of Mathematics | 2017
Pierre Py
{\rm CAT}(-1)
Annales Scientifiques De L Ecole Normale Superieure | 2006
Pierre Py
spaces on which the isometry group
Comptes Rendus Mathematique | 2006
Pierre Py
{\rm Isom}({\bf H}^n)
arXiv: Geometric Topology | 2016
Thomas Delzant; Pierre Py
of the real hyperbolic
Archive | 2016
Thomas Delzant; Pierre Py
n
arXiv: Dynamical Systems | 2009
Michael Entov; Leonid Polterovich; Pierre Py
-space acts minimally and cocompactly. This provides the first examples of non-standard
Comptes Rendus Mathematique | 2005
Pierre Py
{\rm CAT}(0)