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arXiv · 0906.0152

Long and short paths in uniform random recursive dags

Luc Devroye·Svante Janson
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Abstract

In a uniform random recursive k-dag, there is a root, 0, and each node in turn, from 1 to n, chooses k uniform random parents from among the nodes of smaller index. If S_n is the shortest path distance from node n to the root, then we determine the constant \sigma such that S_n/log(n) tends to \sigma in probability as n tends to infinity. We also show that max_{1 \le i \le n} S_i/log(n) tends to \sigma in probability.

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Luc Devroye, Svante Janson. 2009-05-31. Long and short paths in uniform random recursive dags. https://doi.org/10.1007/s11512-009-0118-0

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