Raphael Mignot
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The barycenter in free nilpotent Lie groups and its application to iterated-integrals signatures Open
We establish the well-definedness of the barycenter (in the sense of Buser and Karcher) for every integrable measure on the free nilpotent Lie group of step $L$ (over $\mathbb{R}^d$). We provide two algorithms for computing it, using metho…