\documentclass[a4paper,english]{amsart} \usepackage[latin9]{inputenc} \synctex=-1 \usepackage{babel} \usepackage{verbatim} \usepackage{mathtools} \usepackage{amsthm} \usepackage{amstext} \usepackage{amssymb} \usepackage{amsfonts} \usepackage{esint} \usepackage{a4wide} \usepackage[unicode=true,bookmarks=false,breaklinks=false,pdfborder={0 0 1},backref=false,colorlinks=false]{hyperref} \hypersetup{colorlinks,linkcolor=blue,anchorcolor=blue,citecolor=blue} \usepackage{breakurl} \usepackage{mathrsfs} \usepackage{babel} \usepackage{enumitem} \begin{document} \title[]{} \author{ } \maketitle Ces\acute{a}ro mean of the corresponding quantum measure is weak* convergent to zero. \end{document}