Department of Mathematics
An application of decomposable maps in proving multiplicativity of low dimensional
- Author(s): Fukuda, Motohisa
- et al.
Published Web Locationhttps://arxiv.org/pdf/0906.3355.pdf
In this paper we present a class of maps for which the multiplicativity of the maximal output p-norm holds when p is 2 and p is larger than or equal to 4. The class includes all positive trace-preserving maps from the matrix algebra on the three-dimensional space to that on the two-dimensional.