81 citations · 383 across the 34 of their papers we have counts for
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math.GR2015★ 5 cited
Word Measures on Unitary Groups
Michael Magee, Doron Puder
We combine concepts from random matrix theory and free probability together with ideas from the theory of commutator length in groups and maps from surfaces, and establish new conn…
math.CO2015★ 19 cited
Ramanujan Coverings of Graphs
Chris Hall, Doron Puder, William F. Sawin
Let be a finite connected graph, and let be the spectral radius of its universal cover. For example, if is -regular then . We show that for every ,…