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\documentclass[10 pt,a4paper,twoside,reqno]{amsart} 
\usepackage{amsfonts,amssymb,amscd,amsmath,enumerate,verbatim,calc,graphicx} 
\renewcommand{\baselinestretch}{1.2} 
\usepackage{bm}
\usepackage{ragged2e}
\textwidth = 12.5 cm 
\textheight = 20 cm 
\topmargin = 0.5 cm 
\oddsidemargin = 1 cm 
\usepackage[abs]{overpic}
\evensidemargin = 1 cm 
\pagestyle{plain} 
\newcommand\blfootnote[1]{%
\begingroup
\renewcommand\thefootnote{}\footnote{#1}%
\addtocounter{footnote}{-1}%
\endgroup
}
\newtheorem{theorem}{Theorem}
\newtheorem{definition}{Definition}
\begin{document}
\justify
\centering
\title{\textbf{ON THE REFLECTION PROPERTY OF A CIRCULAR PARABOLOID}}
\maketitle
\author{\textbf{S. Aryan}}
\begin{abstract}
 Text for abstract. 
\end{abstract}
\section{Introduction}
\justify
 This is the introduction. 
 \end{document}

When I run this code. I get the text "This is the introduction" printed without the initial space before the word "This." I want the paragraph to be justified but when I use \justify I lose the space before the first word that marks the beginning of a paragraph. Is there a way to resolve this trade-off? In order to make my problem more clearer, I have posted below an image that shows the paragraphs in my actual document.

enter image description here

I want the word "The" in the image to be shifted to the right to mark the beginning of a paragraph.

Student
  • 567
  • Most of amsart users require, that the first paragraph after section, subsection ... titles are not indented. – Zarko Jan 10 '17 at 18:47
  • I can't remove amsart because it is the journal's preamble, so what should I do? – Student Jan 10 '17 at 18:51
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    Obey journal rule. If they select amsart as document class, that this is desired/requested behavior. All others paragraphs after first after section/subsection .. tiles are indented. – Zarko Jan 10 '17 at 18:56
  • It should be obvious, that after any kind of section always a new paragraph is starting. So why would one focus on that fact, by additionally indenting the paragraph? You only need to indent the second and later paragraphs, as you otherwise don't know, where a paragraph starts. – Jan Jan 10 '17 at 19:01
  • See edit of my answer. Some my assumption wasn't correct :(. Package amsart make all paragraphs indented, but this rule you override with commands \centering and \justify. – Zarko Jan 10 '17 at 19:24
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    if this is for journal submission (or even if it is not!) don't put font changes into structural commands like \title and \author it means the document won't meet the journal style guidelines and complicates extracting the metadata to put into the various databases of author/title information – David Carlisle Jan 10 '17 at 20:50

1 Answers1

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Edit: After reexamination of your MWE I observe, that your problem is use of \centering and \justify and placing of \author{...}. After removing former two commands and moving latter in correct place (before \maketitle), your MWE become:

\documentclass[10 pt,a4paper,twoside,reqno]{amsart}
\usepackage{amsfonts,amssymb,amscd,amsmath,enumerate,verbatim,calc,graphicx}
\renewcommand{\baselinestretch}{1.2}
\usepackage{bm}
\usepackage{ragged2e}
\textwidth = 12.5 cm
\textheight = 20 cm
\topmargin = 0.5 cm
\oddsidemargin = 1 cm


\usepackage{blindtext}

\begin{document}
\title{\textbf{ON THE REFLECTION PROPERTY OF A CIRCULAR PARABOLOID}}
\author{\textbf{S. Aryan}}
\maketitle

\begin{abstract}
\blindtext
\end{abstract}
\section{Introduction}
\blindtext
\blindtext
\end{document}

enter image description here

Zarko
  • 296,517