Abstract
Let $G$ be a quasirandom graph on $n$ vertices, and let $W$ be a random walk on $G$ of length $\alpha n^2$. Must the set of edges traversed by $W$ form a quasirandom graph? This question was asked by Böttcher, Hladký, Piguet and Taraz. Our aim in this paper is to give a positive answer to this question. We also prove a similar result for random embeddings of trees.
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