Unitary representations and von Neumann's continuous geometries.

Schneider, Friedrich Martin; Thom, Andreas · Proc Natl Acad Sci U S A · 2026

basic_science · Level V

Where this comes from

Abstract

We prove that the unit group of a nondiscrete irreducible, continuous ring, in the sense of John von Neumann, does not admit any nontrivial unitary representation continuous with respect to the strong operator topology.