mysymbols.tex

\newcommand{\cfl}{{\mathcal{C}}}

% velocity
\newcommand{\Ub}{{\bf U}}
\newcommand{\gb}{{\bf g}}
\newcommand{\Gb}{{\bf G}}
\newcommand{\Hb}{{\bf H}}

% systems
\newcommand{\Ab}{{\bf A}}
\newcommand{\Uc}{{\,\boldsymbol{\mathcal{U}}}}
\newcommand{\Rc}{{\,\boldsymbol{\mathcal{R}}}}
\newcommand{\Fb}{{\bf F}}
\newcommand{\qb}{{\bf q}}

% reactions
\newcommand{\omegadot}{{\dot{\omega}}}
\newcommand{\Hnuc}{{H_\mathrm{nuc}}}

% diffusion
\newcommand{\kth}{{k_\mathrm{th}}}

% eigenvectors
\newcommand{\evm}{{(-)}}
\newcommand{\evz}{{(\circ)}}
\newcommand{\evzs}[1]{{(\circ,#1)}}
\newcommand{\evp}{{(+)}}
\newcommand{\enu}{{(\nu)}}

\newcommand{\lb}{{\bf l}}
\newcommand{\rb}{{\bf r}}
\newcommand{\Lb}{{\bf L}}
\newcommand{\Rb}{{\bf R}}
\newcommand{\Lambdab}{{\boldsymbol{\Lambda}}}

\newcommand{\wb}{{\bf w}}

% directional exponents
\newcommand{\exx}{{(x)}}
\newcommand{\eyy}{{(y)}}

% Riemann and compressible
\newcommand{\riemann}{{\mathcal{R}}}
\newcommand{\Ic}{{\mathcal{I}}}

% derivative shortcuts
\newcommand{\ddx}[1]{{\frac{{\partial#1}}{\partial x}}}
\newcommand{\ddy}[1]{{\frac{{\partial#1}}{\partial y}}}
\newcommand{\ddz}[1]{{\frac{{\partial#1}}{\partial z}}}
\newcommand{\ddr}[1]{{\frac{{\partial#1}}{\partial r}}}
\newcommand{\ddt}[1]{{\frac{{\partial#1}}{\partial t}}}
\newcommand{\DDt}[1]{{\frac{{D#1}}{D t}}}

% F-V shortcuts
\newcommand{\favg}[1]{{\langle #1\rangle}}

\newcommand{\dx}{\Delta x}
\newcommand{\dy}{\Delta y}
\newcommand{\dt}{\Delta t}

% limited slopes
\newcommand{\Dux}{\overline{\Delta u}^{(x)}}
\newcommand{\Duy}{\overline{\Delta u}^{(y)}}

\newcommand{\Dvx}{\overline{\Delta v}^{(x)}}
\newcommand{\Dvy}{\overline{\Delta v}^{(y)}}


\newcommand{\imag}{I}