3

I want to use \documentclass[12pt,a4paper]{article} in the place of \documentclass[12pt,reqno]{amsart}. However I want to add the following in the bottom of the first page

enter image description here

This is my codes

\documentclass[12pt,a4paper]{report}

 \usepackage{geometry}
 \geometry{left=3cm,right=2cm,top=2.5cm,bottom=2cm}
 \usepackage{setspace}
 \onehalfspacing

\begin{document}

\footnte{2010 Mathematics Subject Classification. Primary ..; Secondary ...}
\end{document}
4

Without using a package:

\documentclass[12pt,a4paper]{report}

 \usepackage{geometry}
 \geometry{left=3cm,right=2cm,top=2.5cm,bottom=2cm}
 \usepackage{setspace}
 \onehalfspacing

% -------------
\makeatletter
\def\keywords{\xdef\@thefnmark{}\@footnotetext}
\makeatother

\begin{document}
    Hello world.%
    \keywords{2010 \emph{Mathematics Subject Classification.} Primary ..; Secondary \dots}%
    \keywords{\emph{Key words and phrases.} Positive Operator \dots}%
    \footnote{Normal footnote}
    Some text here.
\end{document}

pic

2

With the titlefoot package:

\documentclass[12pt,a4paper]{report}

 \usepackage{geometry}
 \geometry{left=3cm,right=2cm,top=2.5cm,bottom=2cm}
 \usepackage{setspace}
 \onehalfspacing

 \usepackage{titlefoot}

\begin{document}

\unmarkedfntext{2010 Mathematics Subject Classification. Primary ..; Secondary ...\newline\hspace*{2em}Keywords:}
\end{document}

enter image description here

  • Thank you but what about key words and phrases? – Schüler Nov 29 '18 at 18:51
  • @Schüler Just added – book Nov 29 '18 at 18:51
  • @Schüler Was my pleasure to help! – book Nov 29 '18 at 20:10

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