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math.PR2024
Rough differential equations and planarly branched universal limit theorem
Xing Gao, Nannan Li, Dominique Manchon
The universal limit theorem is a central result in rough path theory, which has been proved for: (i) rough paths with roughness ; (ii) geometric rou…
math.CO2024
Free Novikov algebras and the Hopf algebra of decorated multi-indices
Zhicheng Zhu, Xing Gao, Dominique Manchon
We propose a combinatorial formula for the coproduct in a Hopf algebra of decorated multi-indices that recently appeared in the literature, which can be briefly described as the gr…