TTMS14. Trace preserving maps and applications
Speaker: Dr. Huajun Huang, Auburn University
Title: Trace preserving maps and applications
Abstract: We will determine trace preserving maps $\phi_1,\ldots,\phi_m$ between various matrix spaces that satisfy $Tr(\phi_1(A_1)\cdots\phi_m(A_m))=Tr(A_1\cdots A_m)$ and display one of its applications in quantum information theory.