data/mathematical/277.mml
<math xmlns='http://www.w3.org/1998/Math/MathML' display='inline'><semantics><mrow><msubsup><mi>U</mi> <mo>±</mo> <mo>†</mo></msubsup><mo>=</mo><msub><mi>U</mi> <mo>±</mo></msub></mrow><annotation encoding='application/x-tex'>U_{\pm}^{\dagger}=U_{\pm}</annotation></semantics></math>