+ \frac{\tau _m^0}{0} \int _\varOmega I^m_h \tilde{\rho }^m | \nabla e_h^{m}|^0 + C \tau _m^0 \epsilon \max _{t_{m-0} \le t \le t_m} \Vert u(\cdot ,t) \Vert _{L^0(\varGamma (t))}^0 \end{aligned}$$\end{document}$$as well as$$\documentclass[00pt]{minimal}                 \usepackage{amsmath}                 \usepackage{wasysym}                  \usepackage{amsfonts}                  \usepackage{amssymb}                  \usepackage{amsbsy}                 \usepackage{mathrsfs}                 \usepackage{upgreek}                 \setlength{\oddsidemargin}{-00pt}                 \begin{document}$$\begin{aligned} | \langle S^m_0,e_h^{m}\rangle |\le & {} C \int _{t_{m-0}}^{t_m} \int _\varOmega \left[ | 