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03/29/2023
Difference-based covariance matrix estimate in time series nonparametric regression with applications to specification tests
Long-run covariance matrix estimation is the building block of time seri...
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02/10/2023
Time-varying correlation network analysis of non-stationary multivariate time series with complex trends
This paper proposes a flexible framework for inferring large-scale time-...
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02/09/2023
UniPC: A Unified Predictor-Corrector Framework for Fast Sampling of Diffusion Models
Diffusion probabilistic models (DPMs) have demonstrated a very promising...
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10/15/2021