operatorname.tex

\left\{ \begin{array}{}
{\operatorname{div}}_{{x}}{u}{\operatorname{div}}^{{x}}{u}{\operatorname{div}}_{{x}}^{{y}}{u}{\operatorname{div}}_{{x}}^{{y}}{u} & \mathrm{operatorname} \\
{\operatorname{\star\ -lim'sup}}_{{x}\rightarrow 0}{u}{\operatorname{\star\ -lim'sup}}^{{w}}{u}{\operatorname{\star\ -lim'sup}}_{{x}\rightarrow 0}^{{w}}{u}{\operatorname{\star\ -lim'sup}}_{{x}\rightarrow 0}^{{w}}{u} & \mathrm{operatorname*} \\
{\operatorname{\star\ -lim'sup}}_{{x}\rightarrow 0}{u}{\operatorname{\star\ -lim'sup}}^{{w}}{u}{\operatorname{\star\ -lim'sup}}_{{x}\rightarrow 0}^{{w}}{u}{\operatorname{\star\ -lim'sup}}_{{x}\rightarrow 0}^{{w}}{u} & \mathrm{operatorname*:nolimits} \\
{\operatorname{curl}}_{{x}}{v}{\operatorname{argmax}}_{{K}}{u} & \mathrm{DeclareMathOperator} \\
\end{array}\right