import diffgeoI script

diffgeoI/main.tex

+\documentclass[12pt, a4paper]{amsbook}
+\usepackage{scriptum_style}
+
+% ============================================================================
+\author{\large{Dr. Vadim Alekseev\\
+\LaTeX: B. Sc. Alexander Schulz\\\vspace*{1em}
+Version: \today}}
+\title{Differentialgeometrie
+\footnote{Fragen und Anmerkungen per Mail an vadim.alekseev@tu-dresden.de oder aschulz@pks.mpg.de.}}
+
+
+\begin{document}
+
+\let\oldproofname=\proofname
+\renewcommand{\proofname}{\textit{\oldproofname}}
+\onehalfspace
+\maketitle
+\tableofcontents
+\flushleft
+
+% Inhalt -----------------------------------------
+\input{chapters/chapter_1}
+\input{chapters/chapter_2}
+\input{chapters/chapter_3}
+% ------------------------------------------------
+% bibliography, figures, lists -------------------
+\listoffigures
+\listoftables
+\bibliographystyle{plain}
+\bibliography{diff_bib}
+
+% ------------------------------------------------
+\end{document}
\ No newline at end of file

diffgeoI/scriptum_style.sty

+\ProvidesPackage{scriptum_style}
+
+\usepackage[utf8]{inputenc}
+\usepackage[ngerman]{babel}
+% math packages
+\usepackage{amsmath, amssymb, amstext, amsthm, amscd}
+\usepackage{stmaryrd}
+\usepackage{mathtools}
+\usepackage{mathrsfs}
+\usepackage{enumerate}
+% graphics packages
+\usepackage{graphicx}
+\usepackage{subfig}
+\usepackage{floatflt}
+\usepackage{float}
+\usepackage{wrapfig}
+\usepackage{pgfplots}
+\usepackage{tikz}
+\usepackage{tikz-cd}
+\pgfplotsset{compat=1.14}
+% layout packages
+\usepackage{fancyhdr}
+\usepackage{epigraph}
+
+
+
+
+%\usepackage[left=2cm,right=2cm,top=2cm,bottom=2cm]{geometry}
+\usepackage{hyperref}
+\usepackage{a4wide,setspace}
+\usepackage{etoolbox}
+%\usepackage{stmaryrd, mathptmx}
+
+\makeatletter
+%\numberwithin{section}{chapter}
+%\def\@secnumfont{\mdseries}
+%\def\section{\@startsection{section}{1}%
+%  \z@{.7\linespacing\@plus\linespacing}{.5\linespacing}%
+%  {\normalfont\scshape\centering}}
+%\def\subsection{\@startsection{subsection}{2}%
+%  \z@{.5\linespacing\@plus.7\linespacing}{-.5em}%
+%  {\normalfont\bfseries}}
+\setcounter{tocdepth}{3}
+
+\patchcmd{\@thm}{\let\thm@indent\indent}{\let\thm@indent\noindent}{}{}
+\patchcmd{\@thm}{\thm@headfont{\scshape}}{\thm@headfont{\bfseries}}{}{}
+
+\makeatother
+\newtheoremstyle{rmk}% name
+  {3pt}%Space above
+  {3pt}%Space below
+  {\normalfont}%Body font
+  {0pt}%Indent amount
+  {\itshape}% Theorem head font
+  {.}%Punctuation after theorem head
+  {0.3em}%Space after theorem head 2
+  {}%Theorem head spec (can be left empty, meaning ‘normal’)
+
+\expandafter\patchcmd\csname\string\proof\endcsname
+  {\normalparindent}{0pt}{}{}
+
+% NEW ENVIRONMENTS ===========================================================
+\theoremstyle{definition}
+\newtheorem{defn}{Definition}[chapter]
+
+\theoremstyle{plain}
+\newtheorem{theo}[defn]{Theorem}
+\newtheorem{cor}[defn]{Korollar}
+\newtheorem{prop}[defn]{Proposition}
+\newtheorem{lem}[defn]{Lemma}
+\theoremstyle{rmk}
+\newtheorem{rem}[defn]{Bemerkung}
+\newtheorem{bsp}[defn]{Beispiel}
+\newtheorem{ueb}[defn]{\"Ubung}
+% ======== NEW COMMANDS  ========
+% ------ special fonts -----------
+\newcommand{\mf}{\mathbf}
+\newcommand{\mc}{\mathcal}
+\newcommand{\mb}{\mathbb}
+\newcommand{\mk}{\mathfrak}
+\newcommand{\ms}{\mathscr}
+\newcommand{\msf}{\mathsf}
+\newcommand{\mr}{\mathrm}
+\newcommand{\Cs}{\mbox{$C^*$}}
+\newcommand{\ul}{\underline}
+\newcommand{\ib}[1]{\left( #1\right)}
+% ---- statistical operators ------
+\newcommand{\ex}[1]{\mb E\left[ #1 \right]}
+\newcommand{\var}[1]{\mb V \left[ #1 \right]}
+% ---------------------------------
+\newcommand{\ip}[1]{\left\langle #1\right\rangle}
+\newcommand{\abs}[1]{\left| #1 \right|}
+\newcommand{\norm}[1]{\left\Vert #1 \right\Vert}
+\newcommand{\cbnorm}[1]{\left\Vert #1 \right\Vert_{\mathrm{cb}}}
+\newcommand{\lt}{\left(}
+\newcommand{\rt}{\right)}
+\newcommand{\ltt}{\left[}
+\newcommand{\rtt}{\right]}
+\newcommand{\lb}{\left\lbrace}
+\newcommand{\rb}{\right\rbrace}
+\newcommand{\bra}{\left\langle}
+\newcommand{\ket}{\right\rangle}
+\newcommand{\com}[1]{\left[#1 \right]}
+\newcommand{\beq}{\begin{equation}}
+\newcommand{\eeq}{\end{equation}}
+\newcommand{\beqn}{\begin{equation*}}
+\newcommand{\eeqn}{\end{equation*}}
+\newcommand{\brq}{\begin{dmath}[compact]}
+\newcommand{\erq}{\end{dmath}}
+\newcommand{\brqn}{\begin{dmath*}[compact]}
+\newcommand{\erqn}{\end{dmath*}}
+\newcommand{\bbra}{\langle\!\langle}
+\newcommand{\kett}{\rangle\!\rangle}
+\newcommand{\eps}{\varepsilon}
+\newcommand{\Op}{\mathrm{OP}}
+\newcommand{\Sd}{\mathrm{Sd}}
+\newcommand{\inj}{\rightarrowtail}
+\newcommand{\surj}{\twoheadrightarrow}
+\newcommand{\pd}[2]{\frac{\partial #1}{\partial #2}}
+\renewcommand{\Re}{\mathop{\mathrm{Re}}}
+\renewcommand{\Im}{\mathop{\mathrm{Im}}}
+\newcommand{\leftsub}[2]{\prescript{}{#1}{#2}}
+\newcommand{\leftsup}[2]{\prescript{#1}{}{#2}}
+\newcommand{\ilim}[1][n]{\lim_{#1\to\infty}}
+\newcommand{\op}{{\operatorname{{op}}}}
+\newcommand{\vntens}{\overline{\otimes}}