Search Results for author: Daniel Zhengyu Huang

Found 7 papers, 5 papers with code

Convergence Analysis of Probability Flow ODE for Score-based Generative Models

1 code implementation15 Apr 2024 Daniel Zhengyu Huang, Jiaoyang Huang, Zhengjiang Lin

Score-based generative models have emerged as a powerful approach for sampling high-dimensional probability distributions.

An operator learning perspective on parameter-to-observable maps

1 code implementation8 Feb 2024 Daniel Zhengyu Huang, Nicholas H. Nelsen, Margaret Trautner

Computationally efficient surrogates for parametrized physical models play a crucial role in science and engineering.

Operator learning

Sampling via Gradient Flows in the Space of Probability Measures

no code implementations5 Oct 2023 Yifan Chen, Daniel Zhengyu Huang, Jiaoyang Huang, Sebastian Reich, Andrew M Stuart

Our third contribution is to study, and develop efficient algorithms based on Gaussian approximations of the gradient flows; this leads to an alternative to particle methods.

Variational Inference

Bayesian Spline Learning for Equation Discovery of Nonlinear Dynamics with Quantified Uncertainty

1 code implementation14 Oct 2022 Luning Sun, Daniel Zhengyu Huang, Hao Sun, Jian-Xun Wang

The equation residuals are used to inform the spline learning in a Bayesian manner, where approximate Bayesian uncertainty calibration techniques are employed to approximate posterior distributions of the trainable parameters.

Fourier Neural Operator with Learned Deformations for PDEs on General Geometries

6 code implementations11 Jul 2022 Zongyi Li, Daniel Zhengyu Huang, Burigede Liu, Anima Anandkumar

The resulting geo-FNO model has both the computation efficiency of FFT and the flexibility of handling arbitrary geometries.

valid

Long Random Matrices and Tensor Unfolding

no code implementations19 Oct 2021 Gérard Ben Arous, Daniel Zhengyu Huang, Jiaoyang Huang

In this paper, we consider the singular values and singular vectors of low rank perturbations of large rectangular random matrices, in the regime the matrix is "long": we allow the number of rows (columns) to grow polynomially in the number of columns (rows).

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