@misc{zheng2023safe, title={Safe Navigation using Density Functions}, author={Andrew Zheng and Sriram S. K. S. Narayanan and Umesh Vaidya}, year={2023}, eprint={2306.15830}, archivePrefix={arXiv}, primaryClass={cs.RO}, doi={10.1109/LRA.2023.3311334}, url={https://arxiv.org/abs/2306.15830} }