Cambyse Rouzé

Talks

Invited talks:

  • 02/2021 - IPAM, workshop on Entropy inequalities, quantum information and quantum physics: Spectral methods for entropic contraction coefficients


  • 06/2020- Ludwig Maximilian University, Analysis and Mathematical Physics seminar: Discriminating unitary channels with energy-constrained states


  • 02/2020- University of Copenhagen,  QLunch: Approximate tensorization of the relative entropy for noncommutative conditional expectations 


  • 11/2019- Toulouse Mathematics institute, Analysis seminar: On the positivity of the modified logarithmic Sobolev constant for quantum spin systems


  • 09/2019-Budapest University ofTechnology, Workshop on Quantum information theory and mathematical physics: On the quantum modified logarithmic Sobolev inequality


  • 03/2019-University of Cambridge, Weekly group meeting of the CQIF: Functional inequalities and strong converses in quantum information theory 


  • 03/2019-University College London,  Weekly group meeting of the UCL Quantum Science and Technology Institute: Functional inequalities and strong converses in quantum information theory


  • 03/2019-Complutense University of Madrid, Weekly group meeting of MathQI: Functional inequalities and strong converses in quantum information theory 


  • 04/2018-TU Munich, Weekly group meeting of the M5 group: Towards a quantum generalization of the Ricci curvature lower bound


  • 05/2017-TU Munich, Weekly group meeting of the M5 group: Concentration of quantum states from quantum functional and Talagrand inequalities

 

  • 02/2017-Toulouse Mathematics institute, Workshop Quantum trajectories, parameter and state estimation: On asymmetric quantum hypothesis testing 


  • 10/2016- University of Pavia, Department of Mathematics: Convergence properties of a quantum diffusion semigroup via concavity of the quantum entropy power 

 

  • 09/2015-Krakow Mathematics Summer Institute, Noncommutative Workshop: Second-order asymptotics for quantum hypothesis testing beyond i.i.d.


Contributed talks:

  • QIP 2021 - Münich: Distinguishing unitaries with finite energy and a Gaussian Solovay-Kitaev theorem


  • QIP 2021 - Münich: On the entropic convergence of Gibbs samplers


  • Beyond i.i.d. in information theory 2020- Stanford: On the entropic convergence of Gibbs samplers


  • Beyond i.i.d. in information theory 2020- Stanford: Distinguishing unitaries with finite energy and a Gaussian Solovay-Kitaev theorem


  • Beyond i.i.d. in information theory 2019-UTS: From contraction of relative entropies to capacity estimates


  • Beyond i.i.d. in information theory 2018-Cambridge: Quantum reverse hypercontractivity: its tensorization and application to strong converses


  • QIP 2018-Delft: Functional inequalities for non-primitive quantum Markov semigroups and application to speeds of decoherence

 

  • Beyond i.i.d. in information theory 2017- IMS Singapore: Non asymptotic and moderate deviation results in quantum hypothesis testing


Posters:


  • 09/2017-Institut Henri Poincaré, thematic semester Analysis in Quantum Information Theory: Concentration of quantum states from quantum functional and Talagrand inequalities