@article {32773,
	title = {The roughness exponent and its model-free estimation},
	journal = {Annals of Applied Probability},
	volume = {35},
	year = {2025},
	pages = {1049-1082},
	url = {https://arxiv.org/abs/2111.10301},
	author = {Xiyue Han and Alexander Schied}
}
