Regensburg 2016 – wissenschaftliches Programm

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DY: Fachverband Dynamik und Statistische Physik

DY 30: Poster - Complex nonlinear systems

DY 30.8: Poster

Dienstag, 8. März 2016, 18:15–21:00, Poster C

Leaf-to-leaf distances in ordered Catalan tree graphsAndrew M. Goldsborough, John M. Fellows, Matthew Bates, S. Alex Rautu, George Rowlands, and •Rudolf A. Römer — University of Warwick, Coventry, CV4 7AL, UK

We study the average leaf-to-leaf path lengths on ordered Catalan tree graphs with n nodes and show that these are equivalent to the average length of paths starting from the root node. We give an explicit analytic formula for the average leaf-to-leaf path length as a function of separation of the leaves and study its asymptotic properties. At the heart of our method is a strategy based on an abstract graph representation of generating functions which we hope can be useful also in other contexts.

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