Quadratic Mixing for the Lee–Sidford Dikin Walk
High dimensional sampling and interior point geometry.
Research across generative inference, scientific machine learning, optimization, probability, and numerical algorithms.
High dimensional sampling and interior point geometry.
Fragility hidden by benign average case behavior.
Uniqueness in the Harrison–Reiman class and a completely S class obstruction.
Row and column normalization, smoothness, and hyperparameter transfer. Slides
Path space importance sampling and sequential Monte Carlo.
Quantifying when approximate rewards can reliably guide additional computation.
Particle filtering for unbiased diffusion model data assimilation.
Defect correction for high dimensional PDE learning. Slides
A geometric route toward predictable scaling in physics informed neural networks.
Inverse power error versus inverse power estimation. Slides
A stability correction for randomized linear solvers.
Sample efficient uncertainty quantification through orthogonalization.
Spectral structure for balanced experiment design.
Mean field generalization theory for deep residual networks.
Rare events, Sobolev embedding, and minimax optimality.
Optimal rates for learning infinite dimensional operators. Slides
How derivative information changes optimization and statistical rates.
Sample complexity and optimality for learning PDE solutions. Slides
Optimization geometry behind neural collapse.
Learning under group imbalance in overparameterized models.
Provable optimization through overparameterization from depth.
Control inspired acceleration for adversarial training.
Learning differential operators and nonlinear dynamics from observations.
A differential equation view of deep network architecture.
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