OP-00692 Solution claimed Kadison’s similarity problem OA · AIM Open Applied Problems · C*-algebras · completely bounded maps · similarity problem
OP-00962 Open The Stone–Weierstrass problem for C*-algebras OA · C*-algebras · Peterson's operator algebra problems · pure states · Stone–Weierstrass theorem
OP-00964 Open Do reduced group C*-algebras remember torsion-free groups? OA · C*-superrigidity · Peterson's operator algebra problems · reduced group C*-algebras · torsion-free groups
OP-00980 Open Are locally reflexive C*-algebras exact? OA · C*-algebras · exactness · local reflexivity · Peterson's operator algebra problems