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arXiv:1704.01095 [math.CO]AbstractReferencesReviewsResources

Fringe Analysis of Plane Trees Related to Cutting and Pruning

Benjamin Hackl, Clemens Heuberger, Sara Kropf, Helmut Prodinger

Published 2017-04-04Version 1

Rooted plane trees are reduced by four different operations on the fringe. The number of surviving nodes after reducing the tree repeatedly for a fixed number of times is asymptotically analyzed. The four different operations include cutting all or only the leftmost leaves or maximal paths. This generalizes the concept of pruning a tree. The results include exact expressions and asymptotic expansions for the expected value and the variance as well as central limit theorems.

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