Alon Dogon (Weizmann): Efficient stability for the lamplighter @iashuji

Uploaded June 2026 | Updated September 2026, 3 days ago

The 25th Midrasha Mathematicae on Groups, Expanders and Codes -- Celebrating Alex Lubotzky's 70th birthday.
Day 4, Session 2
Speaker: Alon Dogon (Weizmann)
Title: Efficient stability for the lamplighter
Abstract: I will talk about joint work with Thomas Vidick, showing that the lamplighter group is Hilbert Schmidt stable with polynomial rate and radius. This shows that for arbitrarily many projections conjugate by a unitary evolution, if polynomially many almost commute, then they can be corrected to nearby conjugated commuting projections.

Alon Dogon (Weizmann): Efficient stability for the lamplighter

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