András György is a Senior Staff Research Scientist at Google DeepMind, London, UK. He received his Ph.D. from the Budapest University of Technology and Economics, Hungary. He was a postdoctoral […]

Denny Wu is a Faculty Fellow at the Center for Data Science, New York University and the Flatiron Institute Abstract: We study the sample and time complexity of online stochastic […]

Abstract: The denoising diffusion probabilistic model (DDPM) has become a cornerstone of generative AI. While sharp convergence guarantees have been established for DDPM, the iteration complexity typically scales with the […]