Journées Approximation, 6th edition

Europe/Paris
Salle de réunion, premier étage (Bât. M2, Cité Scientifique, ULille)

Salle de réunion, premier étage

Bât. M2, Cité Scientifique, ULille

Avenue Carl Gauss, 59655 Villeneuve d'Ascq Cedex
Description

The international conférences "Journées Approximation" in Lille give opportunity for exchanging ideas by french, belgian and other european colleagues working on approximation theory, numerical  linear algebra and their applications. The ja2024 edition will be a two and a half day meeting in May 2024  from Wednesday 15th at 9 a.m. to Friday 17th at 2 p.m. with 40 minutes talks only by invitation. 

There will be also a poster session, please let us know if you want to contribute. ja2024 will also be the 2024 Annual Meeting of the EXPOWER network.

Inscriptions (free but mandatory) are open until April 15, 2024.

Some updated practical informations can be found here. Please find here a Zoom link for the talks of the Journées Approxiation. 


Invited talks are given by

The organization committee


 

Registration
Inscription ja2024
    • 9:30 AM 10:10 AM
      Polynomial and rational convergence rates for Laplace problems on planar domains 40m
      Speaker: Nick Trefethen (Université de Harvard, USA)
    • 10:10 AM 10:50 AM
      On Strong Asymptotics of Multiple Orthogonal Polynomials for Angelesco Systems 40m
      Speaker: Maxim Yattselev (Indiana University (USA))
    • 10:50 AM 11:10 AM
      coffee break 20m
    • 11:10 AM 11:50 AM
      Incursions on the discrete Painlevé I hierarchy 40m
      Speaker: Ana Loureiro (University of Kent, UK)
    • 11:50 AM 12:30 PM
      Adaptive Thiele Interpolation 40m
      Speaker: Oliver Salazar (ING Belgium)
    • 12:40 PM 2:20 PM
      lunch Ascotel 1h 40m
    • 2:30 PM 3:10 PM
      Rational Fourier Approximation: Computation and Applications 40m
      Speaker: André Weideman (Stellenbosch University, South Africa)
    • 3:10 PM 3:50 PM
      Spectral theorem for bounded banded matrices with positive bidiagonal factorization 40m
      Speaker: Ana Foulquié (Universidade Aveiro, Portugal)
    • 3:50 PM 4:10 PM
      coffee break 20m
    • 4:10 PM 4:50 PM
      A least squares analog to the Nuttall-Pommerenke theorem 40m
      Speaker: Laurent Baratchart (INRIA)
    • 4:50 PM 5:30 PM
      More than sparse interpolation: applications in signal processing and beyond 40m
      Speaker: Wen-shin Lee (University of Stirling, UK)
    • 9:30 AM 10:10 AM
      Christoffel functions for multiple orthogonal polynomials 40m
      Speaker: Walter Van Assche (KU Leuven, Belgium)
    • 10:10 AM 10:50 AM
      Antenna Array Synthesis Using Variable Projection 40m
      Speaker: Ramonika Sengupta (Eindhoven University, Netherlands)
    • 10:50 AM 11:10 AM
      coffee break 20m
    • 11:10 AM 11:50 AM
      Markov chains in the theory of multiple orthogonal polynomials 40m
      Speaker: Amilcar Branquinho (Universidade de Coimbra, Portugal)
    • 11:50 AM 12:30 PM
      Algorithms for normal forms of matrices of integers 40m
      Speaker: George Labahn (University of Waterloo)
    • 12:40 PM 2:20 PM
      lunch Ascotel 1h 40m
    • 2:30 PM 3:10 PM
      Sobolev orthogonality and boundary value problems 40m
      Speaker: Miguel Pinar (Universidad Granda, Spain)
    • 3:10 PM 3:40 PM
      Defects and Dirt in Test and Measurement 30m
      Speaker: Andreas Beutler (Mahr, Göttingen)
    • 3:40 PM 4:50 PM
      Coffee break & Poster Session & Meeting Expower
      • 3:40 PM
        Arnoldi orthogonalization to tackle Sobolev least squares problem 1h 10m
        Speaker: Mr Amin Faghih (KU Leuven (Belgium))
      • 3:40 PM
        The Lanczos Tau Framework for Time-Delay Systems 1h 10m
        Speakers: Mr Evert Provoost (KU Leuven, Belgium), Mr Wim Michiels (KU Leuven, Belgium)
    • 4:50 PM 5:30 PM
      Optimal prediction measures and polynomials of extremal growth 40m
      Speaker: Franck Wielonsky (Université Aix-Marseille)
    • 5:30 PM 6:10 PM
      Fractional time derivative through the lens of Herglotz-Nevanlinna function theory 40m
      Speaker: Yvonne Ou (University of Delaware, USA)
    • 6:30 PM 9:30 PM
      Conference diner : Restaurant La table 3h
    • 9:30 AM 10:10 AM
      MOCCA: A fast Algorithm for parallel MRI reconstruction using model based coil calibration 40m
      Speaker: Gerlind Plonka (Université de Göttingen)
    • 10:10 AM 10:50 AM
      Chebyshev polynomials and Widom factors 40m
      Speaker: Jacob Christiansen (University of Lund, Sweden)
    • 10:50 AM 11:10 AM
      coffee break 20m
    • 11:10 AM 11:50 AM
      Sub-Sampled Exponential Analysis in Antenna Applications 40m
      Speaker: Dirk de Villiers (Stellenbosch University, South Africa)
    • 11:50 AM 12:30 PM
      Approximation of positive polynomials for global optimization 40m
      Speaker: Bernard Mourrain (INRIA)
    • 12:40 PM 2:20 PM
      lunch at Ascotel 1h 40m