@article{whatifweletforecastingforgetasparsebottl, title = {What If We Let Forecasting Forget? A Sparse Bottleneck for Cross-Variable Dependencies}, author = {Fan Zhang and Shiming Fan and Hua Wang}, year = {2026}, eprint = {2605.08289}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2605.08289}, }