Mathematics_for_Physicists/chapters/complex_analysis.tex

% !TeX root = ../script.tex
\documentclass[../../script.tex]{subfiles}

\begin{document}
    \chapter{Complex Analysis}
    \vspace*{\fill}\par
    \pagebreak  

    \subfile{sections/complex_diff.tex}
    \subfile{sections/contour_integrals.tex}
    \subfile{sections/identity_continuation.tex}
\end{document}