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Dive into the research topics where Pierre Py is active.

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Featured researches published by Pierre Py.


arXiv: Geometric Topology | 2013

Coxeter groups and Kähler groups

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

Quelques plats pour la métrique de Hofer

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

An exotic deformation of the hyperbolic space

Nicolas Monod; Pierre Py

On the one hand, we construct a continuous family of non-isometric proper


Kyoto Journal of Mathematics | 2017

A remark about weak fillings

Pierre Py

{\rm CAT}(-1)


Annales Scientifiques De L Ecole Normale Superieure | 2006

Quasi-morphismes et invariant de Calabi

Pierre Py

spaces on which the isometry group


Comptes Rendus Mathematique | 2006

Quasi-morphismes de Calabi et graphe de Reeb sur le tore

Pierre Py

{\rm Isom}({\bf H}^n)


arXiv: Geometric Topology | 2016

Cubulable K\"ahler groups

Thomas Delzant; Pierre Py

of the real hyperbolic


Archive | 2016

Cubulable Kähler groups

Thomas Delzant; Pierre Py

n


arXiv: Dynamical Systems | 2009

On continuity of quasi-morphisms for symplectic maps

Michael Entov; Leonid Polterovich; Pierre Py

-space acts minimally and cocompactly. This provides the first examples of non-standard


Comptes Rendus Mathematique | 2005

Quasi-morphisme de Calabi sur les surfaces de genre supérieur

Pierre Py

{\rm CAT}(0)

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Nicolas Monod

École Polytechnique Fédérale de Lausanne

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Thomas Delzant

University of Strasbourg

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Michael Entov

Technion – Israel Institute of Technology

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