1 citations · 1 across the 2 of their papers we have counts for
2 papers
q-fin.ST2026
Beyond Visual Realism: Toward Reliable Financial Time Series Generation
Fan Zhang, Jiabin Luo, Zheng Zhang +3
Generative models for financial time series often create data that look realistic and even reproduce stylized facts such as fat tails or volatility clustering. However, these appar…
cs.LG2025★ 1 cited
Posterior Collapse as a Phase Transition in Variational Autoencoders
Zhen Li, Fan Zhang, Zheng Zhang +1
We investigate the phenomenon of posterior collapse in variational autoencoders (VAEs) from the perspective of statistical physics, and reveal that it constitutes a phase transitio…