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math.FA2017
Uffe Haagerup - His life and mathematics
Mohammad Sal Moslehian, Erling Størmer, Steen Thorbjørnsen +1
In remembrance of Professor Uffe Valentin Haagerup (1949--2015), as a brilliant mathematician, we review some aspects of his life, and his outstanding mathematical accomplishments.
math.FA2013★ 1 cited
A decomposition theorem for positive maps, and the projection onto a spin factor
Erling Størmer
It is shown that each positive map between matrix algebras is the sum of a maximal decomposable map and an atomic map which is both optimal and co-optimal. The result is analyzed i…