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arxiv: 1106.4685 · v1 · pith:B2D5UKRAnew · submitted 2011-06-23 · 🧮 math.CO

Posetted trees and Baker-Campbell-Hausdorff product

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keywords baker-campbell-hausdorffposettedtreescombinatorialexplicitexpressionformulaintroduce
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We introduce the combinatorial notion of posetted trees and we use it in order to write an explicit expression of the Baker-Campbell-Hausdorff formula.

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