Skip to main content

All Questions

1 question with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
9 votes
0 answers
267 views

Can we extend c.p. normal maps on a finite von Neumann algebra $M$ to $L_0(M)_+$?

Suppose that $M$ is a von Neumann algebra with a finite, normal, faithful trace $\tau$. Let $T\colon M\to M$ be a completely positive, normal map. Can $T$ be extended to a `positively linear map' ...
Tomasz Kania's user avatar
  • 11.3k