Si vous voulez garder le style de la page de titre de *yathesis*,
il faut *patcher* la commande `\maketitle`, c'est un peu long, mais ce ne doit pas être difficile,
sinon, vous pouvez redéfinir `\maketitle` et prenez le contrôle. contrôle . Voici un exemple, 
exemple ([voir plus loin](#ecm), pour un exemple plus ou moins fidèle au style *yathesis*).
	\makeatletter 
	\renewcommand{\maketitle}{%
	\booltrue{YAD@maketitle@used}% % ou bien ajouter l'option de classe `nomaketitle`
	\pagestyle{titles}%
	\newcommand{\printdate}{\today}%
	\begingroup%
	%-------------------------------
	\Huge\bfseries
	Mon Nom et Mon travail\par
	\centering
	Faire ce que vous voulez faire ici\par
	%-------------------------------
	\endgroup%
	\restoregeometry%
	\pagestyle{preliminary}}
	\makeatother
	
**ECM**
	\documentclass[12pt,space=onehalf,version=final]{yathesis}
	\usepackage[T1]{fontenc}
	\usepackage{kpfonts}
	\usepackage{microtype}
	\usepackage[xindy,quiet]{imakeidx}
	\usepackage[autostyle]{csquotes}
	\usepackage[backend=biber,safeinputenc]{biblatex}
	\usepackage[linktocpage]{hyperref}
	\usepackage[xindy,acronyms,symbols]{glossaries}
	
	\usepackage{mwe}
	
	\addbibresource{biblatex-examples.bib}
	
	%---------------------------------------------------------
	\makeatletter 
	\renewcommand{\maketitle}{%
	\booltrue{YAD@maketitle@used}% % ou bien ajouter l'option de classe `nomaketitle`
	\pagestyle{titles}%
	\newcommand{\printdate}{\today}%
	\begingroup%
	%-------------------------------
	\Huge\bfseries
	Mon Nom et Mon travail\par
	\centering
	Faire ce que vous voulez faire ici\par
	%-------------------------------
	\endgroup%
	\restoregeometry%
	\pagestyle{preliminary}}
	\makeatother
	%---------------------------------------------------------
	%---------------------------------------------------------
	
	\begin{document}
	
	\keywords{foo, bar}{bla, bla}
	
	\maketitle
	
	\begin{abstract}
	  \lipsum[1]
	\end{abstract}
	\begin{abstract}
	  \lipsum[2]
	\end{abstract}
	
	\makeabstract
	\tableofcontents
	\mainmatter
	\blinddocument
	\blinddocument
	\printbibliography
	\backmatter
	\tableofcontents
	
	\makebackcover
	
	\end{document}
----------
## <a name="ecm"></a>Exemple plus complet
    \documentclass[12pt,space=onehalf,version=final]{yathesis}
    \usepackage[T1]{fontenc}
    \usepackage{kpfonts}
    \usepackage{microtype}
    \usepackage[xindy,quiet]{imakeidx}
    \usepackage[autostyle]{csquotes}
    \usepackage[backend=biber,safeinputenc]{biblatex}
    \usepackage[linktocpage]{hyperref}
    \usepackage[xindy,acronyms,symbols]{glossaries}
    
    \usepackage{mwe}
    
    \addbibresource{biblatex-examples.bib}	
    %---------------------------------------------------------
    \expression{aim}{En vue de .......}{english}
    \expression{thesisdefendedby}{Rapport présenté par}{english}
    %---------------------------------------------------------
    \makeatletter
    %---------------------------------------------------------
    \renewcommand{\maketitle}{%
    	\booltrue{YAD@maketitle@used}%
    	\pagestyle{titles}%
    	\begingroup
    	\centering
    	\vspace*{.5cm}
    	\YAD@translation{institute} 
    	\textbf{\textsc{\Large\printinstitute}}
    	\par\vspace{.5cm}
    	\YAD@translation{universitydepartment}
    	\ifdefstring{\YAD@main@laboratory@nonamelink}{true}{%
    	\textbf{\printlaboratory{\YAD@main@laboratory@name}}%
    	}{%
    	  \textbf{\printlaboratory[\YAD@main@laboratory@url]{\YAD@main@laboratory@name}}%
    	}
    	\par\vspace{1.5cm}
    	{\large
    	  \YAD@translation{thesisdefendedby}
    	  \textbf{\printauthor}
    	}
    	\par\vspace{.5cm}
    	\YAD@translation{aim}
    	\printinstitute*
    	\par\vspace{1.5cm}
    	\large
    	\YAD@translation{academicfield}
    	\textbf{\printacademicfield}
    	\par\vspace{.5cm}
    	\YAD@translation{speciality} 
    	\textbf{\printspeciality}
    	\par\vspace{2.5cm}
    	\tcbset{colback=white,boxsep=3pt,boxrule=0.4pt,arc=0mm}%
    	\begin{tcolorbox}
    	\noindent
    		\begin{minipage}{\linewidth-2\fboxsep-2\fboxrule}
    			\noindent\centering
    			\Huge\bfseries
    			\printtitle
    			\par\vspace{.5cm}
    			\Large\printsubtitle
    		\end{minipage}%
    	\end{tcolorbox}
    	\endgroup
    	\restoregeometry%
    	\pagestyle{preliminary}%
    }
    \makeatother
    %---------------------------------------------------------
    \begin{document}
    \author[aa@zygo.fr]{Alphonse}{Allais}
    \title[Laugh's Chaos]{Le chaos du rire}
    \subtitle[Chaos' laugh]{Le rire du chaos}
    \academicfield[Mathematics]{Mathématiques}
    \speciality[Dynamical systems]{Systèmes dynamiques}
    \date{1}{1}{2222}
    \pres[logo=example-image-b]{Université Lille Nord de France}
    \institute[logo=image,url=http://www.univ-littoral.fr/]{ULCO}
    \laboratory[
    logo=labo,
    logoheight=1.25cm,
    telephone=(33)(0)3 21 46 55 86,
    fax=(33)(0)3 21 46 55 75,
    email=secretariat@lmpa.univ-littoral.fr,
    url=http://www-lmpa.univ-littoral.fr/
    ]{LMPA Joseph Liouville}{%
      Maison de la Recherche Blaise Pascal \\
      50, rue Ferdinand Buisson            \\
      CS 80699                             \\
      62228 Calais Cedex                   \\
      France}
    %
    
    \keywords{foo, bar}{bla, bla}
    
    \maketitle
    
    \begin{abstract}
      \lipsum[1]
    \end{abstract}
    \begin{abstract}
      \lipsum[2]
    \end{abstract}
    
    \makeabstract
    \tableofcontents
    \mainmatter
    \blinddocument
    \blinddocument
    \printbibliography
    \backmatter
    \tableofcontents
    
    \makebackcover
    
    \end{document}