preamble.sty

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\usepackage{import}
\usepackage{amsmath, amsthm, amssymb, mathtools}
\usepackage[backend=biber, style=numeric]{biblatex}
\usepackage{enumitem}
\usepackage{fancybox}
\usepackage{forloop}
\usepackage{geometry}
\usepackage{graphicx}
\usepackage{iftex}
\usepackage{indentfirst}
\usepackage{scrextend}		% adjust local margin
\usepackage{tabu, longtable, booktabs, multirow, makecell, caption}
\usepackage{titlesec}
\usepackage[nottoc]{tocbibind}
% Last packages to be loaded
\usepackage[unicode]{hyperref}
\usepackage[numbered]{bookmark}

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	\usepackage{mathptmx}
\fi

\ifXeTeX
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	\setmonofont[Ligatures=TeX]{Consolas}
\fi

\geometry{
	a4paper,
	top=3cm,
	bottom=3.5cm,
	left=3.5cm,
	right=2cm
}

\author{Huỳnh Quang Dự}
\title{TÌM HIỂU MÃ HÓA DỰA TRÊN ĐỊNH DANH VÀ ỨNG DỤNG}
\date{Tháng 5, 2019}

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\newcommand*{\rootPath}{D:/WORK/Thesis/Thesis}
% \addbibresource{\rootPath/bibliography.bib}
\addbibresource{\rootPath/bibliography_full.bib}
% \addbibresource{\rootPath/conference.bib}

\newtheorem*{theorem}{Định lý}
% \newtheorem{proposition}[theorem]{Mệnh đề}
% \newtheorem{lemma}[theorem]{Bổ đề}

\theoremstyle{definition}
\newtheorem{definition}{Định nghĩa}[chapter]
% \newtheorem{example}[theorem]{Ví dụ}

\theoremstyle{remark}
\newtheorem*{remark}{Nhận xét}

\newenvironment{game}[2]{\par\noindent\textbf{#1} (#2). \hspace{1ex}}{}
\newenvironment{problem}[2]{\par\noindent\textbf{#1 (#2).} \hspace{1ex}}{\par}

\newsavebox{\mybox}
\newenvironment{supposition}[1]
{
	\noindent
	\begin{lrbox}{\mybox}
		\begin{minipage}{\textwidth}
			\vspace{0.2\baselineskip}
			\hspace{1ex}
			\textbf{Giả thiết.} (#1)
			\vspace{0.2\baselineskip}
			\begin{addmargin}[1cm]{0.5cm}
}
{
			\end{addmargin}
			\vspace{0.5\baselineskip}
		\end{minipage}
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	\fbox{\usebox{\mybox}}
	\par
}

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	pdftitle=\@title,
	pdfauthor=\@author,
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	urlbordercolor={1 1 1}
}
\urlstyle{same}

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\newcommand{\challenger}{$\mathcal{C}\ $}
\newcommand{\scheme}{$\mathcal{E}\ $}
\newcommand{\abs}[1]{\left| \ #1 \ \right|}