# Amsart: footnote for the author

Assume the following code:

    \usepackage{amssymb}
\usepackage{graphicx}   % if you want to include graphics files
\usepackage{amsmath}
\usepackage{amsthm}\begin{document}

\begin{document}

% author information

% first author

\author{Author 1}
\address{University 1}
\email{email 1}

% second author

\author{Author 2}

% the address where the research was carried out
\address{University 2}

% current address, usually not needed because it is the same as the
% regular address

\email{email 2}

% title

\title{Title}
\end{document}


How can I set a footnote to the authors (1 the the first and 2 to the second), such that at the end of the paper the number indicates which email address belongs to which author? For short I would like to have something like: Author 1^1 and at the end ^1 Email-address: email_1.

Thanks for your help.

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## 1 Answer

You can use the optional argument to \address or to \email

\documentclass{amsart}
\begin{document}
% author information
% first author
\author{Author 1}
\address[Author 1]{University 1}
\email{email 1}

% second author
\author{Author 2}
\address[Author 2]{University 2}
\email[Corresponding author]{email 2}

\title{Title}
\maketitle

\end{document}


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