Picture for Sitan Chen

Sitan Chen

Faster Diffusion-based Sampling with Randomized Midpoints: Sequential and Parallel

Jun 03, 2024
Viaarxiv icon

Learning general Gaussian mixtures with efficient score matching

Apr 29, 2024
Viaarxiv icon

Critical windows: non-asymptotic theory for feature emergence in diffusion models

Add code
Mar 03, 2024
Figure 1 for Critical windows: non-asymptotic theory for feature emergence in diffusion models
Figure 2 for Critical windows: non-asymptotic theory for feature emergence in diffusion models
Figure 3 for Critical windows: non-asymptotic theory for feature emergence in diffusion models
Figure 4 for Critical windows: non-asymptotic theory for feature emergence in diffusion models
Viaarxiv icon

An optimal tradeoff between entanglement and copy complexity for state tomography

Feb 26, 2024
Viaarxiv icon

Provably learning a multi-head attention layer

Feb 06, 2024
Viaarxiv icon

Futility and utility of a few ancillas for Pauli channel learning

Sep 25, 2023
Viaarxiv icon

A faster and simpler algorithm for learning shallow networks

Jul 24, 2023
Viaarxiv icon

Learning Mixtures of Gaussians Using the DDPM Objective

Jul 03, 2023
Viaarxiv icon

The probability flow ODE is provably fast

May 19, 2023
Figure 1 for The probability flow ODE is provably fast
Figure 2 for The probability flow ODE is provably fast
Viaarxiv icon

Learning Narrow One-Hidden-Layer ReLU Networks

Apr 20, 2023
Figure 1 for Learning Narrow One-Hidden-Layer ReLU Networks
Figure 2 for Learning Narrow One-Hidden-Layer ReLU Networks
Viaarxiv icon