Name: Journées Approximation, 6th edition
Start: 2024-05-15T08:00:00+02:00
End: 2024-05-17T14:35:00+02:00
Location: Bât. M2, Cité Scientifique, ULille

Journées Approximation, 6th edition

de mercredi 15 mai 2024 (08:00) à vendredi 17 mai 2024 (14:35)

lundi 13 mai 2024
mardi 14 mai 2024
mercredi 15 mai 2024
09:30 Polynomial and rational convergence rates for Laplace problems on planar domains - Nick Trefethen (Université de Harvard, USA)
Polynomial and rational convergence rates for Laplace problems on planar domains
- Nick Trefethen (Université de Harvard, USA)
09:30 - 10:10
Room: Salle de réunion, premier étage
10:10 On Strong Asymptotics of Multiple Orthogonal Polynomials for Angelesco Systems - Maxim Yattselev (Indiana University (USA))
On Strong Asymptotics of Multiple Orthogonal Polynomials for Angelesco Systems
- Maxim Yattselev (Indiana University (USA))
10:10 - 10:50
Room: Salle de réunion, premier étage
10:50 coffee break
coffee break
10:50 - 11:10
Room: Salle de réunion, premier étage
11:10 Incursions on the discrete Painlevé I hierarchy - Ana Loureiro (University of Kent, UK)
Incursions on the discrete Painlevé I hierarchy
- Ana Loureiro (University of Kent, UK)
11:10 - 11:50
Room: Salle de réunion, premier étage
11:50 Adaptive Thiele Interpolation - Oliver Salazar (ING Belgium)
Adaptive Thiele Interpolation
- Oliver Salazar (ING Belgium)
11:50 - 12:30
Room: Salle de réunion, premier étage
12:40 lunch Ascotel
lunch Ascotel
12:40 - 14:20
Room: Salle de réunion, premier étage
14:30 Rational Fourier Approximation: Computation and Applications - André Weideman (Stellenbosch University, South Africa)
Rational Fourier Approximation: Computation and Applications
- André Weideman (Stellenbosch University, South Africa)
14:30 - 15:10
Room: Salle de réunion, premier étage
15:10 Spectral theorem for bounded banded matrices with positive bidiagonal factorization - Ana Foulquié (Universidade Aveiro, Portugal)
Spectral theorem for bounded banded matrices with positive bidiagonal factorization
- Ana Foulquié (Universidade Aveiro, Portugal)
15:10 - 15:50
Room: Salle de réunion, premier étage
15:50 coffee break
coffee break
15:50 - 16:10
Room: Salle de réunion, premier étage
16:10 A least squares analog to the Nuttall-Pommerenke theorem - Laurent Baratchart (INRIA)
A least squares analog to the Nuttall-Pommerenke theorem
- Laurent Baratchart (INRIA)
16:10 - 16:50
Room: Salle de réunion, premier étage
16:50 More than sparse interpolation: applications in signal processing and beyond - Wen-shin Lee (University of Stirling, UK)
More than sparse interpolation: applications in signal processing and beyond
- Wen-shin Lee (University of Stirling, UK)
16:50 - 17:30
Room: Salle de réunion, premier étage
jeudi 16 mai 2024
09:30 Christoffel functions for multiple orthogonal polynomials - Walter Van Assche (KU Leuven, Belgium)
Christoffel functions for multiple orthogonal polynomials
- Walter Van Assche (KU Leuven, Belgium)
09:30 - 10:10
Room: Salle de réunion, premier étage
10:10 Antenna Array Synthesis Using Variable Projection - Ramonika Sengupta (Eindhoven University, Netherlands)
Antenna Array Synthesis Using Variable Projection
- Ramonika Sengupta (Eindhoven University, Netherlands)
10:10 - 10:50
Room: Salle de réunion, premier étage
10:50 coffee break
coffee break
10:50 - 11:10
Room: Salle de réunion, premier étage
11:10 Markov chains in the theory of multiple orthogonal polynomials - Amilcar Branquinho (Universidade de Coimbra, Portugal)
Markov chains in the theory of multiple orthogonal polynomials
- Amilcar Branquinho (Universidade de Coimbra, Portugal)
11:10 - 11:50
Room: Salle de réunion, premier étage
11:50 Algorithms for normal forms of matrices of integers - George Labahn (University of Waterloo)
Algorithms for normal forms of matrices of integers
- George Labahn (University of Waterloo)
11:50 - 12:30
Room: Salle de réunion, premier étage
12:40 lunch Ascotel
lunch Ascotel
12:40 - 14:20
Room: Salle de réunion, premier étage
14:30 Sobolev orthogonality and boundary value problems - Miguel Pinar (Universidad Granda, Spain)
Sobolev orthogonality and boundary value problems
- Miguel Pinar (Universidad Granda, Spain)
14:30 - 15:10
Room: Salle de réunion, premier étage
15:10 Defects and Dirt in Test and Measurement - Andreas Beutler (Mahr, Göttingen)
Defects and Dirt in Test and Measurement
- Andreas Beutler (Mahr, Göttingen)
15:10 - 15:40
Room: Salle de réunion, premier étage
15:40
15:40 - 16:50
Room: Salle de réunion, premier étage
Contributions

15:40 Arnoldi orthogonalization to tackle Sobolev least squares problem - Amin Faghih (KU Leuven (Belgium))

15:40 The Lanczos Tau Framework for Time-Delay Systems - Evert Provoost (KU Leuven, Belgium) Wim Michiels (KU Leuven, Belgium)
16:50 Optimal prediction measures and polynomials of extremal growth - Franck Wielonsky (Université Aix-Marseille)
Optimal prediction measures and polynomials of extremal growth
- Franck Wielonsky (Université Aix-Marseille)
16:50 - 17:30
Room: Salle de réunion, premier étage
17:30 Fractional time derivative through the lens of Herglotz-Nevanlinna function theory - Yvonne Ou (University of Delaware, USA)
Fractional time derivative through the lens of Herglotz-Nevanlinna function theory
- Yvonne Ou (University of Delaware, USA)
17:30 - 18:10
Room: Salle de réunion, premier étage
18:30 Conference diner : Restaurant La table
Conference diner : Restaurant La table
18:30 - 21:30
Room: Salle de réunion, premier étage
vendredi 17 mai 2024
09:30 MOCCA: A fast Algorithm for parallel MRI reconstruction using model based coil calibration - Gerlind Plonka (Université de Göttingen)
MOCCA: A fast Algorithm for parallel MRI reconstruction using model based coil calibration
- Gerlind Plonka (Université de Göttingen)
09:30 - 10:10
Room: Salle de réunion, premier étage
10:10 Chebyshev polynomials and Widom factors - Jacob Christiansen (University of Lund, Sweden)
Chebyshev polynomials and Widom factors
- Jacob Christiansen (University of Lund, Sweden)
10:10 - 10:50
Room: Salle de réunion, premier étage
10:50 coffee break
coffee break
10:50 - 11:10
Room: Salle de réunion, premier étage
11:10 Sub-Sampled Exponential Analysis in Antenna Applications - Dirk de Villiers (Stellenbosch University, South Africa)
Sub-Sampled Exponential Analysis in Antenna Applications
- Dirk de Villiers (Stellenbosch University, South Africa)
11:10 - 11:50
Room: Salle de réunion, premier étage
11:50 Approximation of positive polynomials for global optimization - Bernard Mourrain (INRIA)
Approximation of positive polynomials for global optimization
- Bernard Mourrain (INRIA)
11:50 - 12:30
Room: Salle de réunion, premier étage
12:40 lunch at Ascotel
lunch at Ascotel
12:40 - 14:20
Room: Salle de réunion, premier étage