Cambyse Rouzé

Talks

Invited talks


  • 05/2024- Stanford QIQC Seminar, Efficient thermalization with Gibbs Samplers



  • 05/2024-Séminaire d’Analyse Fonctionnelle de Jussieu: Complete modified log-Sobolev inequalities in matrix algebras


  • 04/2024-Phasecraft, London: Entropic decay in quantum lattice systems


  • 03/2024-Quacs team, Inria Saclay : Quantum Gibbs sampling


  • 10/2022-University of Cambridge: Quantum extensions of Talagrand, KKL and Freidgut’s theorems


  • 10/2022-University of Warwick: Quantum extensions of Talagrand, KKL and Freidgut’s theorems



  • 07/2022-ISTA, Vienna: Entropic decay of quantum Gibbs samplers


  •  07/2022-Université de Grenoble-Alpes, Grenoble, AMS-SMF-EMS joint international meeting, Session on Mathematical Challenges in Complex Quantum Systems: Entropy decay for quantum spin chains


  • 06/2021-Meeting of the ANR Qtraj, University of Toulouse: Non-commutative optimal transport, coarse curvature and concentration


  •  06/2021-Mathematical physics seminar, University of Toulouse: Quantum modified logarithmic Sobolev inequalities


  • 06/2021-Open PDE & Analysis Seminar and Lectures (online): Quantum modified logarithmic Sobolev inequalities

 

  •  05/2021-University of Cambridge, Kinetic coffee meeting: Quantum modified logarithmic Sobolev inequalities


  • 04/2021-Introduction to coercive inequalities workshop, University of Pavia: Entropic decay of quantum Gibbs samplers


  •  03/2021-Stochastic Analysis Group seminar, Institute of Science and Technology Austria: Entropic decay of quantum Gibbs samplers


  • 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 of Technology, 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


  • TQC 2024 - Okinawa: Dissipation-enabled bosonic Hamiltonian learning via new information-propagation bounds


  • TQC 2024 - Okinawa: Making both ends meet: from efficient simulation to universal quantum computing with quantum Gibbs sampling 


  • TQC 2024 - Okinawa: Information-theoretic generalization bounds for learning from quantum data 


  • QIP 2024 - Taipei: Spectral gap implies rapid mixing for commuting Hamiltonians


  • QIP 2024 - Taipei: Limitations of local update recovery in stabilizer-GKP codes: a quantum optimal transport approach


  • QIP 2024 - Taipei: Provably Efficient Learning of Phases of Matter


  • TQC 2023 - Aveiro: Efficient learning of ground & thermal states within phases of matter 


  • QIP 2023 - University of Ghent: Limitations of VQAs: a quantum optimal transport approach


  • QIP 2023 - University of Ghent: Quantum Talagrand, KKL and Friedgut's theorems and the learnability of quantum observables


  • TQC 2022 - University of Illinois at Urbana-Champaign: Rapid thermalization of 1D commuting Hamiltonians

 

  • TQC 2022 - University of Illinois at Urbana-Champaign: Quantum Differential Privacy: An Information Theory Perspective


  • QIP 2022 - California Institute of Technology, Pasadena: A refinement of Pinsker’s inequality and applications to state tomography


  • QIP 2022 - California Institute of Technology, Pasadena: Complete entropic inequalities for quantum Markov chains


  • Beyond i.i.d. in information theory 2021 - Taiwan National University: Complete Logarithmic Sobolev inequalities for Matrix algebras and Sub-Laplacians


  • Beyond i.i.d. in information theory 2021 - Taiwan National University: Learning quantum many-body systems from a few copies


  • Beyond i.i.d. in information theory 2021 - Taiwan National University: Deviation bounds and concentration inequalities for quantum noises


  • Beyond i.i.d. in information theory 2021 - Taiwan National University: Entropy decay for Davies semigroups of a one dimensional quantum lattice


  • Beyond i.i.d. in information theory 2021 - Taiwan National University: Quantum transport-entropy inequalities


  • ICMP 2021 - Geneva: The modified logarithmic Sobolev inequality for quantum spin systems


  • TQC 2021 - University of Latvia: Efficient learning of quantum extensive observables


  • 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