new latex style files

aak-layout.sty

\ProvidesPackage{aak-layout}

\usepackage[colorlinks=true,linkcolor=blue]{hyperref}

\RequirePackage[
  textheight=0.7\paperheight,
  textwidth =0.7\paperwidth,
  top       =0.1\paperheight,
  bottom    =0.2\paperheight,
  left      =0.1\paperwidth,
  right     =0.2\paperwidth]{geometry}

\RequirePackage{setspace}
\onehalfspacing

% \parindent 0pt
\parskip 0.3cm

%% TITLE; SECTIONS; PARAGRAPHS

\RequirePackage{titlesec}
\RequirePackage{etoolbox}
\RequirePackage{titletoc}

\titlelabel{\thetitle.\ }
\titleformat{\section}{\centering\large\bfseries\uppercase}{\S\ \thesection.\ }{0em}{}
\titleformat*{\paragraph}{\bfseries}
\titleformat{\subparagraph}[runin]{\bfseries}{\thesubparagraph.\ }{0em}{}

\titlecontents{section}[1.5em]{}{\S\thecontentslabel.\ }{}{\titlerule*[1pc]{.} \thecontentspage}

% paragraph numbering

\newcounter{parano}[section]
\renewcommand{\theparano}{\ifdef{\aaknosections}{\arabic{parano}}{\arabic{section}.\arabic{parano}}}
\newcommand{\para}[1][]{\refstepcounter{parano}\paragraph{(\theparano)}%
\ifblank{#1}{}{\label{#1}}}

\titlespacing{\paragraph}{%
  15pt}{%              left margin
  0.5\baselineskip}{% space before (vertical)
  1em}%               space after (horizontal)

%% DEFINITIONS; CLAIMS

\newcommand{\dfn}[1]{\emph{#1}}
\newcommand{\claim}[1]{\emph{#1}}

aak-macros.sty

\ProvidesPackage{aak-macros}

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

\RequirePackage{mathrsfs} % script font

% diagrams
\RequirePackage[all]{xy}

% \numberwithin{equation}{section}

%% non-italicized capital letters

\DeclareMathSymbol{A}{\mathalpha}{operators}{`A}
\DeclareMathSymbol{B}{\mathalpha}{operators}{`B}
\DeclareMathSymbol{C}{\mathalpha}{operators}{`C}
\DeclareMathSymbol{D}{\mathalpha}{operators}{`D}
\DeclareMathSymbol{E}{\mathalpha}{operators}{`E}
\DeclareMathSymbol{F}{\mathalpha}{operators}{`F}
\DeclareMathSymbol{G}{\mathalpha}{operators}{`G}
\DeclareMathSymbol{H}{\mathalpha}{operators}{`H}
\DeclareMathSymbol{I}{\mathalpha}{operators}{`I}
\DeclareMathSymbol{J}{\mathalpha}{operators}{`J}
\DeclareMathSymbol{K}{\mathalpha}{operators}{`K}
\DeclareMathSymbol{L}{\mathalpha}{operators}{`L}
\DeclareMathSymbol{M}{\mathalpha}{operators}{`M}
\DeclareMathSymbol{N}{\mathalpha}{operators}{`N}
\DeclareMathSymbol{O}{\mathalpha}{operators}{`O}
\DeclareMathSymbol{P}{\mathalpha}{operators}{`P}
\DeclareMathSymbol{Q}{\mathalpha}{operators}{`Q}
\DeclareMathSymbol{R}{\mathalpha}{operators}{`R}
\DeclareMathSymbol{S}{\mathalpha}{operators}{`S}
\DeclareMathSymbol{T}{\mathalpha}{operators}{`T}
\DeclareMathSymbol{U}{\mathalpha}{operators}{`U}
\DeclareMathSymbol{V}{\mathalpha}{operators}{`V}
\DeclareMathSymbol{W}{\mathalpha}{operators}{`W}
\DeclareMathSymbol{X}{\mathalpha}{operators}{`X}
\DeclareMathSymbol{Y}{\mathalpha}{operators}{`Y}
\DeclareMathSymbol{Z}{\mathalpha}{operators}{`Z}

%% shortcuts

\RequirePackage{xspace}

\newcommand{\R}{\ensuremath{\mathbf{R}}\xspace}
\newcommand{\C}{\ensuremath{\mathbf{C}}\xspace}
\newcommand{\Q}{\ensuremath{\mathbf{Q}}\xspace}
\newcommand{\Z}{\ensuremath{\mathbf{Z}}\xspace}
\newcommand{\N}{\ensuremath{\mathbf{N}}\xspace}
\newcommand{\A}{\ensuremath{\mathbf{A}}\xspace}
\renewcommand{\P}{\ensuremath{\mathbf{P}}\xspace}

\renewcommand{\k}{\ensuremath{k}\xspace}

\newcommand{\mbb}[1]{\mathbb{#1}}
\newcommand{\mcal}[1]{\mathcal{#1}}

\DeclareMathOperator{\sgn}{\mathrm{sgn}}

\DeclareMathOperator{\GL}{\mathrm{GL}}
\DeclareMathOperator{\PGL}{\mathrm{PGL}}

\let\Re\undefined
\let\Im\undefined
\DeclareMathOperator{\Re}{\mathrm{Re}}
\DeclareMathOperator{\Im}{\mathrm{Im}}

\newcommand{\id}{\mathrm{id}}
\newcommand{\Id}{\mathrm{Id}}

\DeclareMathOperator{\Ker}{\mathrm{Ker}}
%\DeclareMathOperator{\im}{\mathrm{im}}

\DeclareMathOperator{\Aut}{\mathrm{Aut}}
\DeclareMathOperator{\Hom}{\mathrm{Hom}}

\DeclareMathOperator{\Sym}{\mathrm{Sym}}

\DeclareMathOperator{\Span}{\mathrm{Span}}

\DeclareMathOperator{\Tr}{\mathrm{Tr}}

\DeclareMathOperator{\Frac}{\mathrm{Frac}}

\DeclareMathOperator{\Cyl}{\mathrm{Cyl}}

\let\div\undefined
\DeclareMathOperator{\div}{\mathrm{div}}
\DeclareMathOperator{\grad}{\mathrm{grad}}

\DeclareMathOperator{\ord}{\mathrm{ord}}

\DeclareMathOperator{\chr}{\mathrm{char}}

\newcommand{\Mb}{\mathrm{Mb}}

\newcommand{\eps}{\varepsilon}

\renewcommand{\bar}[1]{\overline{#1}}

\renewcommand{\cal}[1]{\mathcal{#1}}

\newcommand{\sub}{\subset}
\newcommand{\sube}{\subseteq}

\newcommand{\incl}{\hookrightarrow}
\newcommand{\iso}{\stackrel{\sim}{\to}}

%% algebraic geometry

\DeclareMathOperator{\Spec}{\mathrm{Spec}}
\DeclareMathOperator{\Proj}{\mathrm{Proj}}
\renewcommand{\O}{\mathscr{O}}