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A forest formula for pre-Lie exponentials, Magnus' operator and cumulant-cumulant relations. (arXiv:2203.11968v1 [math.CO]) http://arxiv.org/abs/2203.11968
A forest formula for pre-Lie exponentials, Magnus' operator and cumulant-cumulant relations. (arXiv:2203.11968v1 [math.CO]) http://arxiv.org/abs/2203.11968