Berry–Robbins problem

In mathematics, the Berry–Robbins problem asks whether there is a continuous map from configurations of n points in R3 to the flag manifold U(n)/Tn that is compatible with the action of the symmetric group on n points. It was posed by Berry and Robbins () and solved positively by Atiyah ().

Berry–Robbins problem

In mathematics, the Berry–Robbins problem asks whether there is a continuous map from configurations of n points in R3 to the flag manifold U(n)/Tn that is compatible with the action of the symmetric group on n points. It was posed by Berry and Robbins () and solved positively by Atiyah ().