\documentclass[10pt,twocolumn]{article}
\usepackage{graphicx}
\usepackage{amsmath}
\newcommand{\Keywords}[1]{\par\noindent
{\small{\em Keywords\/}: #1}}
\title{strong text}
\author{ \and
\centerline{Department of Computer Engineering,College of engineering,city}}
\date{}
\begin{document}
\maketitle
\begin{abstract}
1 Answer
There is no need for \centerline
within the \author
declaration, since the \author
- set as part of \maketitle
- is already centred. So, remove it (and the seemingly superfluous \and
):
\documentclass[twocolumn]{article}
\title{strong text}
\author{Department of Computer Engineering, College of Engineering, City}
\begin{document}
\maketitle
\begin{abstract}
Some abstract
\end{abstract}
\end{document}
lines 11-11
are blank, so I'm not fully convinced this code is the code causing the problems (or I edited it wrongly).\centerline
there? Please reprimand them.