Conflito entre Beamer, Babel e Tikz

Question

Estou preparando notas de aula em turco e tenho um diagrama para procedimento de modelagem matemática. Mas eunão podeproduza uma boa saída para o código a seguir. Quando eu removo os três primeirospacotes, obtenho a saída desejada. No entanto, preciso mantê-los em meu documento. Você me ajudaria nesse sentido?

\documentclass[10pt,notheorems]{beamer}

\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[turkish]{babel}

\usepackage{tikz}
\usetikzlibrary{positioning,shapes,arrows}

\hypersetup{bookmarksdepth=4,bookmarksnumbered=true,bookmarksopen=true}

\usetheme{Warsaw}
\usecolortheme{seahorse}

\begin{document}

\begin{frame}[fragile]{}{}

\begin{figure}
  \centering
  \begin{tikzpicture}
    \node (rwp) [draw,fill=blue!20,text centered,minimum height=2em,rounded corners] {Ger\c{c}ek ya\c{s}am problemi};
    \node (mm) [right=2cm of rwp,draw,fill=purple!20,text centered,minimum height=2em,rounded corners] {Matematiksel model};
    \node (mc) [below=2cm of mm,draw,fill=green!20,text centered,minimum height=2em,rounded corners] {Matematiksel \c{c}{\i}kar{\i}m};
    \node (rwq) [below=2cm of rwp,draw,fill=red!20,text centered,minimum height=2em,rounded corners] {Ger\c{c}ek ya\c{s}am tahminleri};
    \path [draw,->] (rwp.east) -- node [above] {Form\"{u}lasyon} (mm.west);
    \path [draw,->] (mm.south) -- node [right] {\c{C}\"{o}z\"{u}m} (mc.north);
    \path [draw,->] (mc.west) -- node [below] {Yorum} (rwq.east);
    \path [draw,->] (rwq.north) -- node [left] {Kontrol} (rwp.south);
  \end{tikzpicture}
  \caption{Modelleme s\"{u}reci}\label{s2ss2fig1}
\end{figure}

\end{frame}

\end{document} 

Answer 1

Babel define vários atalhos para simplificar a entrada de caracteres especiais, o que é muito útil para inserir letras, mas às vezes isso causa conflitos com outros pacotes. Felizmente tikztem a biblioteca \usetikzlibrary{babel}que resolve o problema.

\documentclass[10pt,notheorems]{beamer}

\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[turkish]{babel}

\usepackage{tikz}
\usetikzlibrary{positioning,shapes,arrows}

\usetikzlibrary{babel}

\hypersetup{bookmarksdepth=4,bookmarksnumbered=true,bookmarksopen=true}

\usetheme{Warsaw}
\usecolortheme{seahorse}

\begin{document}

\begin{frame}[fragile]{}{}

\begin{figure}
  \centering
  \begin{tikzpicture}
    \node (rwp) [draw,fill=blue!20,text centered,minimum height=2em,rounded corners] {Ger\c{c}ek ya\c{s}am problemi};
    \node (mm) [right=2cm of rwp,draw,fill=purple!20,text centered,minimum height=2em,rounded corners] {Matematiksel model};
    \node (mc) [below=2cm of mm,draw,fill=green!20,text centered,minimum height=2em,rounded corners] {Matematiksel \c{c}{\i}kar{\i}m};
    \node (rwq) [below=2cm of rwp,draw,fill=red!20,text centered,minimum height=2em,rounded corners] {Ger\c{c}ek ya\c{s}am tahminleri};
    \path [draw,->] (rwp.east) -- node [above] {Form\"{u}lasyon} (mm.west);
    \path [draw,->] (mm.south) -- node [right] {\c{C}\"{o}z\"{u}m} (mc.north);
    \path [draw,->] (mc.west) -- node [below] {Yorum} (rwq.east);
    \path [draw,->] (rwq.north) -- node [left] {Kontrol} (rwp.south);
  \end{tikzpicture}
  \caption{Modelleme s\"{u}reci}\label{s2ss2fig1}
\end{figure}

\end{frame}

\end{document}