@article{backtothefuturelookaheadaugmentationandp, title = {Back to the Future: Look-ahead Augmentation and Parallel Self-Refinement for Time Series Forecasting}, author = {Sunho Kim and Susik Yoon}, year = {2026}, eprint = {2602.02146}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2602.02146}, }