\documentclass[a4]{amsart}
\usepackage{xcolor}
\usepackage[pdfauthor={chl},pdftitle={}]{hyperref}
\usepackage[foot]{amsaddr}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{mathtools}

\hypersetup{
    colorlinks,
    urlcolor={blue!80!black}
}

\title{}
\author{chl}
\email{chl@aliquote.org}
\date{}

\begin{document}
\vspace*{-2cm}

\maketitle

\end{document}
