On certain equivalent norms on Tsirelson's space

Edward Odell, Nicole Tomczak-Jaegermann

Tsirelson's space $T$ is known to be distortable but it is open as to whether or not $T$ is arbitrarily distortable. For $n\in \mathbb{N}$ the norm $\Vert \cdot {\Vert }_n$ of the Tsirelson spa…