mserrano_shortcuts.sty

\ProvidesPackage{mserrano_shortcuts}
\usepackage{fullpage,amssymb,amsmath,amsthm,mathrsfs}
\renewcommand{\epsilon}{\varepsilon}
\makeatletter
\def\th@plain{
   \itshape
    \thm@headfont{\bfseries}
    \let\thm@indent\noindent
}
\def\th@definition{
   \normalfont
   \thm@headfont{\bfseries}
   \let\thm@indent\noindent
}
\def\th@remark{
   \normalfont
   \thm@headfont{\itshape}
   \let\thm@indent\noindent
}
\renewenvironment{proof}[1][\proofname]{\par
   \pushQED{\qed}
   \normalfont \topsep6\p@\@plus6\p@\relax
   \trivlist
   \item[\hskip\labelsep
         \em
     #1\@addpunct{.}]\ignorespaces
}{
   \popQED\endtrivlist\@endpefalse
}
\makeatother
\theoremstyle{plain}
\newtheorem{theorem}{Theorem}
\newtheorem{openprob}{Open Problem}
\newtheorem{axiom}{Axiom}
\newtheorem{lemma}{Lemma}
\newtheorem{proposition}{Proposition}
\newtheorem*{corollary}{Corollary}
\theoremstyle{definition}
\newtheorem{exercise}{Exercise}
\newtheorem{definition}{Definition}
\newtheorem*{example}{Example(s)}
\theoremstyle{remark}
\newtheorem*{remark}{Remark}
\newtheorem*{note}{Note}
\newtheorem*{recall}{Recall}
\newtheorem*{question}{Question}
\newtheorem*{answer}{Answer}
\newcommand{\mn}[1]{{\left\lVert#1\right\rVert^*}}
\newcommand{\s}[1]{{\left\{#1\right\}}}
\newcommand{\floor}[1]{{\left\lfloor#1\right\rfloor}}
\newcommand{\subgen}[1]{{\left\langle#1\right\rangle}}
\newcommand{\characteristic}{\textrm{ {\rm char} }}
\newcommand{\Aut}{\textrm{{\rm Aut}}}
\newcommand{\id}{\textrm{{\rm id}}}
\newcommand{\stab}{\textrm{{\rm stab}}}
\newcommand{\orbit}{\mathscr{O}}
\newcommand{\lcm}{\textrm{{\rm lcm}}}
\DeclareMathAlphabet{\mathpzc}{OT1}{pzc}{m}{it}
\newcommand{\mi}{\mathpzc{i}}
\newcommand{\ot}{\otimes}
\newcommand{\R}{\mathbb{R}}
\newcommand{\Q}{\mathbb{Q}}
\newcommand{\N}{\mathbb{N}}
\newcommand{\Z}{\mathbb{Z}}
\newcommand{\C}{\mathbb{C}}
\newcommand{\I}{\mathbb{I}}
\renewcommand{\P}{\mathbb{P}}
\newcommand{\DNE}{\textrm{DNE}}
\newcommand{\sgn}{\textrm{ sgn }}
\newcommand{\dell}{\partial}
\newcommand{\del}{\nabla}
\newcommand{\m}[1]{{\left|#1\right|}}
\newcommand{\nm}[1]{{\left\|#1\right\|}}
\newcommand{\maxnorm}[1]{{\left\|#1\right\|_{\infty}}}
\newcommand{\inner}[1]{{\left\langle#1\right\rangle}}
\newcommand{\Image}{\textrm{im}}
\newcommand{\Domain}{\textrm{Domain}}
\newcommand{\mesh}{\textrm{mesh }}
\newcommand{\Area}{\textrm{Area}}
\newcommand{\interior}{\textrm{{\rm int}}}
\newcommand{\Rie}{\mathscr{R}}
\newcommand{\cc}{\mathscr{C}}
\newcommand{\cd}{\mathscr{D}}
\newcommand{\tr}{\textrm{{\rm tr}}}
\newcommand{\lang}{\mathcal{L}}
\newcommand{\superscript}[1]{\ensuremath{^{\textrm{#1}}}}
\newcommand{\subscript}[1]{\ensuremath{_{\textrm{#1}}}}
\newcommand{\fres}{\upharpoonleft}
\renewcommand{\th}[0]{\superscript{th}}