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math.PR2019
Martin boundary of killed random walks on isoradial graphs
Cédric Boutillier, Kilian Raschel
We consider killed planar random walks on isoradial graphs. Contrary to the lattice case, isoradial graphs are not translation invariant, do not admit any group structure and are s…
math.PR2019
On the least common multiple of several random integers
Alin Bostan, Alexander Marynych, Kilian Raschel
Let denote the least common multiple of independent random integers uniformly chosen in . In this note, using a purely probabilistic approach, we de…