29 \def\vphi{\varphi}

    29 \def\vphi{\varphi}

    30 \def\inv{^{-1}}

    30 \def\inv{^{-1}}

    31 \def\ol{\overline}

    31 \def\ol{\overline}

    32 \def\BD{BD}

    32 \def\BD{BD}

    33 \def\bbc{{\mathcal{BBC}}}

    33 \def\bbc{{\mathcal{BBC}}}

    34 \def\vcone{\text{V-Cone}}

    35 \def\vcone{\text{V-Cone}}

    35 

    36 

    36 \def\spl{_\pitchfork}

    37 \def\spl{_\pitchfork}

    37 \def\trans#1{_{\pitchfork #1}}

    38 \def\trans#1{_{\pitchfork #1}}

    38 

    39