@article{turningstalegradientsintostablegradients, title = {Turning Stale Gradients into Stable Gradients: Coherent Coordinate Descent with Implicit Landscape Smoothing for Lightweight Zeroth-Order Optimization}, author = {Chen Liang and Xiatao Sun and Qian Wang and Daniel Rakita}, year = {2026}, eprint = {2605.14373}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2605.14373}, }