Skip to main content\(\newcommand{\angles}[1]{\left\langle #1 \right\rangle}
\expandafter\mathchardef\expandafter\varphi\number\expandafter\phi\expandafter\relax
\expandafter\mathchardef\expandafter\phi\number\varphi
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\newcommand{\K}{\mathcal{K}}
\newcommand{\h}{\mathcal{H}}
\newcommand{\eps}{\epsilon}
\DeclareMathOperator{\M}{\mathcal M(\mathcal A \otimes \mathcal K)}
\DeclareMathOperator{\spans}{span}
\DeclareMathOperator{\tr} {Tr}
\DeclareMathOperator{\spn}{span}
\DeclareMathOperator{\idx}{ind}
\DeclareMathOperator{\diag}{diag}
\newcommand{\projone}{p}
\newcommand{\projtwo}{q}
\newcommand{\lt}{<}
\newcommand{\gt}{>}
\newcommand{\amp}{&}
\)