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Detailed program
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Tuesday, June 9, 2026 |
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08:00
09:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
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8:30 - 9:30 (1h)
Plenary talk (Auditorium Chateaubriand)
 Auditorium Chateaubriand
› Pythagorean–Hodograph Splines: From Structural Constraints to Constructive Approaches
- Lucia Romani, Universitá di Bologna
08:30-09:30 (1h)
9:30 - 10:00 (30min)
Coffee break
Rotonde Jacques Cartier
›10:00 (2h30)
› Auditorium Chateaubriand
10:00 - 12:30 (2h30)
MS: Optimisation and Machine Learning
Auditorium Chateaubriand
Chair: Edouard Pauwels
› A gradient flow for every c(x,y) cost: EVI-inspired convexity
- Pierre-Cyril Aubin-Frankowski
10:00-10:25 (25min)
› Bias-optimal bounds for SGD with computer-aided proofs
- Guillaume Garrigos
10:25-10:50 (25min)
› Correctness guarantees for the Burer-Monteiro factorization
- Irène Waldspurger
10:50-11:15 (25min)
› Implicit Bias in Gradient Flow Learning: Results, Open Questions, and link with Mirror-Flow Dynamics
- Loucas Pillaud-Vivien
11:15-11:40 (25min)
› Mean-field Learning for the management of consumption flexibilities in power systems
- Nadia Oudjane
11:40-12:05 (25min)
› The AdEMAMix Optimizer: Better, Faster, Older
- Pierre Ablin
12:05-12:30 (25min)
›10:00 (2h30)
› Grand Large Est
10:00 - 12:30 (2h30)
MS: Advances in splines: theory, methods, and applications
Grand Large Est
Chair: Tatyana Sorokina
› A Construction of $C^r$ Conforming Finite Elements on the Alfeld Split in Any Dimension
- Qingyu Wu
10:00-10:25 (25min)
› Overlap spline methods for elliptic boundary value problems
- Oleg Davydov
10:25-10:50 (25min)
› Quadrature rules for smooth splines on uniformly refined triangles
- Hendrik Speleers
10:50-11:15 (25min)
› Why spline products are hard, and how to fix them
- Francesco Patrizi
11:15-11:40 (25min)
› A sheaf theory framework for supersplines and finite elements
- Beihui Yuan
11:40-12:05 (25min)
› Geometric modeling at MTU Aero Engines: state of the art and research perspectives
- Dominik Mokriš
12:05-12:30 (25min)
10:00 - 12:30 (2h30)
CS: Sparse and high-dimensional approximation 1
Grand Large Ouest
› Approximation and learning with compositional tensor trains
- Charles Miranda
10:00-10:25 (25min)
› Iterative low-rank time integration of time-dependent Schrödinger equations
- Polina Sachsenmaier
10:25-10:50 (25min)
› Low-Rank Approximation by Randomly Pivoted LU
- Marc Aurèle Gilles
10:50-11:15 (25min)
› M-Tensor Formalism: A High Dimensional Approximation Framework for Scarce Data Contexts
- Rémi Cloarec
11:15-11:40 (25min)
› Preconditioning and Numerical Stability in Neural Network Training for Parametric PDEs
- Chenguang Duan
11:40-12:05 (25min)
› Reduced Order Models for Multiscale Problems –- Mitigating Kolmogorov barrier in RTE
- Tianyu Jin
12:05-12:30 (25min)
10:00 - 12:30 (2h30)
CS: Computer-aided geometric design 1
Bouvet
› Accurate shape preserving alternatives to Bernstein polynomials
- Eduardo Royo-Amondarain
10:00-10:25 (25min)
› Efficient evaluation of Gauss-Legendre curves
- Filip Chudy
10:25-10:50 (25min)
› Interpolation by double Pythagorean-hodograph curves of degree seven
- Selena Praprotnik
10:50-11:15 (25min)
› Numerically stable evaluation method for Gauss--Legendre basis
- Hwan Pyo Moon
11:15-11:40 (25min)
› On the topological types of pointwise products of general circles in the unit quaternions
- Niels Lubbes
11:40-12:05 (25min)
› Total positivity of Bernstein-type polynomial bases
- Hector Orera
12:05-12:30 (25min)
›12:30 (1h30)
12:30 - 14:00 (1h30)
Lunch
14:00 - 15:00 (1h)
Plenary talk (Auditorium Chateaubriand)
Auditorium Chateaubriand
15:00 - 16:30 (1h30)
Poster Session 1 + Coffee
Rotonde Jacques Cartier
› Geometric Representation and BIM–BEM Interoperability in Building Energy Simulations: Tools Overview and Sources of Uncertainty
- Mariusz Cesarz
15:00-16:30 (1h30)
› Optimized multidimensional threshold-based classification in space weather applications
- Francesco Marchetti
15:00-16:30 (1h30)
› Partition of a Digital Surface into Pieces of Digital Planes
- Aude Marêché
15:00-16:30 (1h30)
› Minimax Optimal Kernel Two-Sample Tests with Random Features
- Soumya Mukherjee
15:00-16:30 (1h30)
› Variational Inference for Gaussian Mixtures via Spherical Hellinger-Kantorovich Gradient Flow
- Aratrika Mustafi
15:00-16:30 (1h30)
› A New Method to Accelerate SVM Resolution via Support Vector Identification
- Gabriel Viellefon
15:00-16:30 (1h30)
› Modelling with 3D Elastica
- Marc Isern Hacker
15:00-16:30 (1h30)
› Alignment and Automated Measurement of Smartphone-Reconstructed 3D Human Body Parts
- Hadrien Bigo--Balland
15:00-16:30 (1h30)
› Expressivity of congruence-based architectures for DNNs on positive-definite matrices
- Antonin Oswald
15:00-16:30 (1h30)
› Asymptotically optimal t-design curves on SO(3) and Gr2,4
- Clemens Karner
15:00-16:30 (1h30)
› G2 Pythagorean Hodograph Curves
- Mann Stephen
15:00-16:30 (1h30)
› Data-driven primal-dual methods for compressed hyperspectral single pixel imaging
- Séréna Hariga
15:00-16:30 (1h30)
› Integrating Gk-continuous surface schemes in G+Smo
- Dimitrios Tolis
15:00-16:30 (1h30)
› A Nonlinear Tensor Network Architecture for Compressed End-to-End Learning
- Jana Jovcheva
15:00-16:30 (1h30)
› Fast rigid alignment of discretized 3D objects in sliced Wasserstein distance
- Eric Verbeke
15:00-16:30 (1h30)
› High-dimensional classification problems with Barron regular boundaries under margin conditions
- Jonathan Garcia Rebellon
15:00-16:30 (1h30)
› Lofting Using Blending Techniques
- Tanja Henriksen
15:00-16:30 (1h30)
› Designing vertical transition curves with nonparametric Bézier and B-spline curves
- Javier Sánchez-Reyes
15:00-16:30 (1h30)
› Geometric phases of modulated multivariate time series
- Grégoire Doat
15:00-16:30 (1h30)
› Approximating Environmental Impact Surfaces through Behavioral Shift Simulations: An LCA-based Scenario Analysis in the 15-Minute City Framework
- Dorota Burchart
15:00-16:30 (1h30)
› Balanced LoRA: Removing Parameter Invariance to Accelerate Convergence
- Valérie Castin
15:00-16:30 (1h30)
› Variational Reconstruction of wind velocity fields from LiDAR Measurements
- Theau Cousin
15:00-16:30 (1h30)
› Complex rational plane curves
- Leonardo Fernandez-Jambrina
15:00-16:30 (1h30)
› A Finite Volume Scheme for Diffusion Equations on Curved Polygonal Meshes
- Hang Xudeng
15:00-16:30 (1h30)
› Isogeometric Analysis for Stress-Constrained Topology Optimization
- Guilherme Henrique Teixeira
15:00-16:30 (1h30)
› Geometric Representation and Accessibility-Aware Approximation of Mountain Trails for Assistive Off-Road Mobility: the “Mountains Without Barriers” Integrated Platform
- Marcin Staniek
15:00-16:30 (1h30)
› Multi-modal Routing Algorithms as a Tool for Spatial Optimization of 15-Minute City Zones: A Case Study of the SUMODO International Project
- Grzegorz Sierpinski
15:00-16:30 (1h30)
› Progressive Iterative Approximation for Gauss–Legendre Curves
- Jingxuan Li
15:00-16:30 (1h30)
› A higher order hybrid approximation method using splines to singularly perturbed parabolic convection-diffusion problem using adaptive mesh.
- Asish Saini
15:00-16:30 (1h30)
› Adaptive mesh generation and a higher order hybrid method using splines to singularly perturbed parabolic reaction-diffusion equations.
- Mamta Godara
15:00-16:30 (1h30)
›16:30 (2h30)
› Auditorium Chateaubriand
16:30 - 19:00 (2h30)
MS: Kernel-based Methods in Approximation and Learning Theory
Auditorium Chateaubriand
Chair: Holger Wendland
› Fourier-free convergence results for kernel methods
- Armin Iske
16:30-16:55 (25min)
› General superconvergence for kernel-based approximation
- Gabriele Santin
16:55-17:20 (25min)
› Kernel-based Operator Reconstruction with Applications to Physics Informed Learning
- Rüdiger Kempf
17:20-17:45 (25min)
› Multiscale Approximation as Bias Reduction for Manifold-Valued Regression
- Nir Sharon
17:45-18:10 (25min)
› Scattered data approximation in samplet coordinates
- Multerer Michael
18:10-18:35 (25min)
› Semi-Lagrange schemes on manifolds
- Christian Rieger
18:35-19:00 (25min)
16:30 - 19:00 (2h30)
MS: Geometry Processing
Grand Large Est
Chair: Julie Digne
› Geometric Hints for Learning with Shapes
- Mirela Ben Chen
16:30-16:55 (25min)
› Analysis of 3D Plants
- Stefanie Wuhrer
16:55-17:20 (25min)
› Computational Homogenization for Inverse Design of Surface-based Inflatables
- Yingying Ren
17:20-17:45 (25min)
› Conformal Deformations Through the Lens of Curvature
- Etienne Corman
17:45-18:10 (25min)
› Towards Neural Geometry Processing
- Niloy Mitra
18:10-18:35 (25min)
› Neural implicit shape interpolation
- Camille Buonomo
18:35-19:00 (25min)
16:30 - 19:00 (2h30)
CS: Optimal transport
Grand Large Ouest
› Gromov-Wasserstein at Scale, Beyond Squared Norms
- Guillaume Houry
16:30-16:55 (25min)
› Multiscaling in Wasserstein Spaces
- Wael Mattar
16:55-17:20 (25min)
› Quantum optimal transport and interpolations in quantum chemistry
- Etienne Obermeyer
17:20-17:45 (25min)
› Statistical Estimaton of Monge Transport Maps via Brenier Potentials
- Léo Portales
17:45-18:10 (25min)
› Variational Analysis in the Wasserstein Hierarchy
- Christophe Vauthier
18:10-18:35 (25min)
› Linearized Optimal Transport for Geophysical Flow Forecasting
- Mia Busuladzic-Begic
18:35-19:00 (25min)
16:30 - 19:00 (2h30)
CS: Image and signal processing
Bouvet
› Completion of multivariate filterbanks by neural networks
- Tomas Sauer
16:30-16:55 (25min)
› ConveyorAD: A Benchmark Dataset and Minimally Supervised Pipeline for Real-Time Industrial Anomaly Detection
- Alexandre Leclerc
16:55-17:20 (25min)
› Dual Gradient Flow and Dual Power Method for the Computation of Nonlinear Eigenfunctions
- Jonathan Laubmann
17:20-17:45 (25min)
› Min-max Error Bounds for Multivariate Super-Resolution
- Nuha Diab
17:45-18:10 (25min)
› Multi-band Angular Template Matching Algorithm
- Fabian Kruse
18:10-18:35 (25min)
› Spherical Framelets from Spherical Designs
- Xiaosheng Zhuang
18:35-19:00 (25min)
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| Session | Speech/Intervention | Logistics | Break | Tour |
