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The skeleton-blocks decomposition of Bienaymé trees, and applications to their local convergence

Marc Bernard, Robin Stephenson

math.PRarXiv:2609.20657

Abstract

We study multi-type critical Bienaymé trees through the lens of the skeleton-blocks structure, seeing them as a monotype skeleton on which we have added multi-type blocks. This decomposition enjoys a remarkably elegant compatibility with the concept of local convergence, allowing us to find simple proofs of traditional local limit theorems.

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