2 papers
math.FA2019
Schur null preserving maps
Ying-Fen Lin, Donal O'Cofaigh
We provide a characterisation of Schur multiplicative maps on both finite and infinite dimensional matrix spaces, and show that every surjective Schur multiplicative contraction is…
math.OA2018
Operator system structures and extensions of Schur multipliers
Ying-Fen Lin, Ivan G. Todorov
For a given C*-algebra , we establish the existence of maximal and minimal operator -system structures on an AOU -space. In the case $\mathca…