2 papers
math.OA2026
is flexibly stable in the operator norm
Alexander Lubotzky, Guy Salomon
A cornerstone of stability theory is Voiculescu's 1983 counterexample: he constructed a sequence of pairs of unitary matrices whose commutators converge to zero in the operator nor…
math.GR2025
Completely Syndetic Sets in Discrete Groups
Guy Salomon, Yotam Svoray, Ariel Yadin
We study completely syndetic (CS) sets in discrete groups - subsets that for every natural n admit finitely many left translates that jointly cover every n-tuple of group elements.…