\DeclareMathOperator{\M}{\mathcal{M}}
\DeclareMathOperator{\B}{\mathcal{B}}
\DeclareMathOperator{\ps}{\mathcal{P}}
\DeclareMathOperator{\pr}{\mathbb{P}}
\DeclareMathOperator{\E}{\mathbb{E}}
\DeclareMathOperator{\supp}{supp}
\renewcommand{\Re}{\ensuremath{\operatorname{Re}}}
\renewcommand{\Im}{\ensuremath{\operatorname{Im}}}
