5 citations · 27 across the 15 of their papers we have counts for
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math.CO2018★ 1 cited
Reducing Simply Generated Trees by Iterative Leaf Cutting
Benjamin Hackl, Clemens Heuberger, Stephan Wagner
We consider a procedure to reduce simply generated trees by iteratively removing all leaves. In the context of this reduction, we study the number of vertices that are deleted afte…
math.CO2018★ 4 cited
Ascents in Non-Negative Lattice Paths
Benjamin Hackl, Clemens Heuberger, Helmut Prodinger
Non-negative Łukasiewicz paths are special two-dimensional lattice paths never passing below their starting altitude which have only one single special type of down step. They are…