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math.GR2023
Stable Invariants of Words from Random Matrices
Doron Puder, Yotam Shomroni, Danielle Ernst-West +1
Let be a word in a free group. A few years ago, Magee and the first named author discovered that the stable commutator length (scl) of , a well-known topological invariant,…
math.GR2023
On the Aldous-Caputo Spectral Gap Conjecture for Hypergraphs
Gil Alon, Gady Kozma, Doron Puder
In their celebrated paper (arXiv:0906.1238), Caputo, Liggett and Richthammer proved Aldous' conjecture and showed that for an arbitrary finite graph, the spectral gap of the interc…