hsfzLZH1's Homepage
2026
- A quasitrace that cannot be a trace—and finite algebras with an infinite tensor product
- Every bounded cocycle has a primitive: the Kadison–Ringrose cohomology claim
- One operator can generate a whole von Neumann algebra
- Two free entropies disagree even when both are finite
- No scalar shadows in central sequences: a criterion for Jiang–Su stability
- Paving every maximal abelian subalgebra with a uniform number of pieces
- One irreducible representation does not determine the compact operators
- When every extended trace determines a stabilized operator algebra
- Half the mean dimension: an exact bridge from dynamics to operator comparison
- From local infinite size to Cuntz-algebra absorption