pkgs.tex

\RequirePackage{amsmath}
\RequirePackage{amssymb}
\RequirePackage{amsfonts}
\RequirePackage{amsthm}


\RequirePackage[backend=biber]{biblatex}
\RequirePackage[pagestyles]{titlesec}
\RequirePackage{xcolor}
\RequirePackage{titletoc}

\RequirePackage{hyperref}
\hypersetup{
    colorlinks = true,
    linkcolor = green!50!black,
    anchorcolor = green!50!black,
    citecolor = green!50!black,
    filecolor = green!50!black,
    urlcolor = green!50!black
    }

\RequirePackage{graphicx}
\RequirePackage{subcaption}
\renewcommand{\figurename}{Fig.}
\renewcommand{\contentsname}{Contents.}
\renewcommand{\listfigurename}{List of figures.}
\DeclareCaptionFormat{custom}
{%
    {\footnotesize{\lsstylehelp{150}\scshape{{#1#2}}}\textit{#3}}
}
\captionsetup{format=custom}

\RequirePackage{enumitem}

\RequirePackage{tabularx}
\RequirePackage{mathrsfs}

% Only list chapters and sections in the ToC
\setcounter{tocdepth}{1}

% Section format in ToC
\titlecontents{section}
    [0pt]
    {}
    {\quad}
    {}
    {\titlerule*[1pc]{.}\contentspage}



\RequirePackage{fancyhdr}
\RequirePackage{extramarks}
\pagestyle{fancy}
\fancyhf{}
\renewcommand{\headrulewidth}{0pt}
\fancyhead[LE,RO]{\footnotesize\thepage}
\fancyhead[CE]{\scshape \MakeLowercase{\leftmark}}
\fancyhead[CO]{\scshape\MakeLowercase{\rightmark}}

\makeatletter
\renewcommand{\chaptermark}[1]{%
  \markboth{%
    \ifnum\c@secnumdepth>\m@ne
      \@chapapp\ {\small\thechapter}. \ %
    \fi
  #1%
  }{}%
}
\makeatother

\makeatletter
\renewcommand{\chaptermark}[1]{%
        \markboth{\thechapter.\ #1}{}}
% unnumbered chapters in the header
\renewcommand{\chaptermark}[1]{%
        \markboth{#1}{}}
        
\renewcommand{\sectionmark}[1]{\markright{\small #1}}
\renewcommand{\thepage}{\footnotesize\arabic{page}}
\makeatother



\RequirePackage[norule,symbol,perpage]{footmisc}
\RequirePackage{microtype}
\SetTracking{encoding=*, shape=sc}{60}
\widowpenalty10000
\clubpenalty10000
\usepackage{url}
\urlstyle{same}

% \RequirePackage[
%   oldstylenums, largesmallcaps
% ]{kpfonts}



% \usepackage[math-style=ISO]{unicode-math}
% \defaultfontfeatures{Mapping=tex-text}
% \DisableLigatures{encoding = *, shape = sc*}
% \setmainfont[Ligatures={Common,TeX},
% SmallCapsFeatures={
%   LetterSpace=7.5
% }]{Latin Modern}
% \setmathfont[Scale=0.97,Ligatures=TeX,
% math-style=TeX
% ]{Latin Modern Math}
% % \setmathfont[range=it/{Latin,latin}]{Linux Libertine O Italic}
% % % \setmathfont[range=up]{Junicode}
% % % \setmathfont[range=it/{Greek, greek}]{Linux Libertine O Italic}
% % \setmathfont[range=up/{Greek, greek}]{Linux Libertine O}
% % \setmathfont[range=it/{Greek, greek}]{Linux Libertine O Italic}
% \setmathfont[range=frak/{latin,Latin},
%                    Scale=MatchUppercase,
%                    StylisticSet=1,
%                    script-features={},
%                    sscript-features={}
%             ]{Unifraktur Maguntia}

% Theorem environments
\theoremstyle{plain}
\newtheorem*{theorem}{theorem}
\newtheorem*{lemma}{lemma}
\newtheorem*{corollary}{corollary}
% Numbered theorems
\newtheorem{theoremx}{theorem}[subsection]
\newtheorem{lemmax}{lemma}[subsection]
\newtheorem{corollaryx}{corollary}[subsection]
\newtheorem{corollaryb}{corollary}[subsection]



\theoremstyle{definition}
\newtheorem*{definition}{definition}

\renewenvironment{proof}{{\itshape Proof. }}{{\scshape q.e.d.}}

\RequirePackage{longtable}

\RequirePackage{pdfpages}

\AtBeginDocument{
    \let\phi\varphi
    \let\epsilon\varepsilon
    \let\iff\Leftrightarrow
    \let\implies\Rightarrow
    \let\leq\leqslant
    \let\geq\geqslant
    \let\theta\vartheta
    \let\emptyset\varnothing
}