Abstract
A linear subspace of has the property if every element of its predual has the form with . We prove that if and is a unital operator subalgebra of which has the property , then . We consider whether this is true for arbitrary .
Citation
Stephen Rowe. Junsheng Fang. David Larson. "${\rm P}_1$ subalgebras of $M_n(\mathbb C)$." Involve 4 (3) 213 - 250, 2011. https://doi.org/10.2140/involve.2011.4.213
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