Affiche de recherche (paysage)

\documentclass[25pt,a0paper,landscape]{tikzposter}
\usepackage{amsmath}

\title{Poster Title Goes Here}
\author{First Author, Second Author}
\institute{Example University}

\usetheme{Default}

\begin{document}
\maketitle

\begin{columns}
\column{0.33}
\block{Motivation}{
  Why this problem matters, readable from three meters away.
}
\column{0.33}
\block{Method}{
  The core idea and its one equation:
  \[ k = A e^{-E_a / RT}. \]
}
\column{0.34}
\block{Results}{
  Headline numbers, one chart, and the takeaway sentence.
}
\end{columns}

\end{document}