\documentclass[reqno]{amsart}
\usepackage{amssymb}
\usepackage{hyperref}



\AtBeginDocument{{\noindent\small
\sc{Maltepe Journal of Mathematics} \newline
ISSN:2667-7660, URL:http://dergipark.org.tr/tr/pub/mjm \newline
Volume ? Issue ? (2020), Pages .}

\thanks{\copyright 2019 Maltepe Journal of Mathematics.}
\vspace{9mm}}

\makeatletter
\@namedef{subjclassname@2020}{%
  \textup{2020} Mathematics Subject Classification}
\makeatother

\begin{document}
\title[Title of Manuscript]
{Title of Manuscript}

\author[First Author, Second Author, and Third Author]{First Author*, Second Author**, and Third Author***\\
*Affilation of the first author, phone\\ **Affilation of the second author, phone:  \\***Affilation of the third author, phone: } % in alphabetical order

\address{First Author,\newline
 Address of the first author, Phone:}
\email{e mail address of the first author}

\address{Second Author, \newline
Address of the second author, Phone:}
\email{e mail address of the second author}

\address{ Third Author, \newline
 Address of the third author, Phone:}
\email{e mail address of the third author}


\thanks{Submitted . Published  .}
\thanks{ }

\subjclass[2020]{Primary: MSC Number ; Secondaries: MSC Numbers }
\keywords{key word 1; key word 2; keyword 3}

\begin{abstract}
The abstract should be self-contained and without citation, and not exceed 200 words. The
abstract may state the aim of the manuscript, approach, results and conclusions of the work. The abstract should be complete in it-self (no numerical references); it should not cite figures, tables, or sections of the paper.

\end{abstract}

\maketitle
\numberwithin{equation}{section}
\newtheorem{theorem}{Theorem}[section]
\newtheorem{lemma}[theorem]{Lemma}
\newtheorem{proposition}[theorem]{Proposition}
\newtheorem{corollary}[theorem]{Corollary}
\newtheorem*{remark}{Remark}
\newtheorem{definition}{Definition}[section]
\newtheorem{example}{Example}[section]


\section{title of the section}


\subsection{Subsection title}


\section{Title of section}

\section{Conclusion}

\subsection*{Acknowledgments}

\begin{thebibliography}{100}

\bibitem{CakalliAstudyonstatisticalconvergence} H. \c{C}akalli, A study on statistical convergence, Funct. Anal. Approx. Comput. 1 (2009) 19-24.
\bibitem{CakalliandDasFuzzycompactnessviasummability} H. \c{C}akalli, and Pratulananda Das, \textit{Fuzzy compactness via summability}, Appl. Math. Lett. \textbf{22} (2009) 1665-1669.
\bibitem{CakalliandKhanSummabilityintopologicalspaces} H. \c{C}akalli, and M.K. Khan, Summability in topological spaces, Appl. Math. Lett. \textbf{24} (2011)
    348-352.

 \end{thebibliography}


\end{document}
