When Does Adversarial Refinement Help? A Negative Result and Open Problem in Adapting R3GAN to Time Series Imputation

arXiv:2609.23102 · cs.LG · Submitted 2026-09-19 · Read on arXiv

cs.LG

Submitted: 2026-09-19

Updated: 2026-09-19

Comments: 4 pages, 1 figure, 2 tables. Accepted at the 12th Workshop on Mining and Learning from Time Series (MiLeTS 2026), held with KDD 2026. This arXiv version incorporates a post-workshop reproducibility audit of the saved runs. Code: https://github.com/he-yufeng/adversarial-refinement-imputation

Code: https://github.com/he-yufeng/adversarial-refinement-imputation

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Ablation — 2× in this paper · explained in 1 episode
• Diffusion Model — 2× in this paper · explained in 8 episodes
• Diffusion Models — 2× in this paper · explained in 6 episodes
• Provenance — 1× in this paper · explained in 3 episodes
• Transformer — 1× in this paper · explained in 2 episodes

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