Completely positive map

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Completely positive map" – news · newspapers · books · scholar · JSTOR (July 2020) (Learn how and when to remove this message)

In mathematics a positive map is a map between C*-algebras that sends positive elements to positive elements. A completely positive map is one that satisfies a stronger, more robust condition.