@article {MR3856206,
	title = {Model-free portfolio theory and its functional master formula},
	journal = {SIAM J. Financial Math.},
	volume = {9},
	number = {3},
	year = {2018},
	pages = {1074{\textendash}1101},
	author = {Schied, Alexander and Speiser, Leo and Voloshchenko, Iryna}
}
