latex-setup
My personal LaTeX setup 🦁️⚙️
Name | Size | Mode | |
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xalgebra.sty | 2457B | -rw-r--r-- |
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\NeedsTeXFormat{LaTeX2e}[1994/06/01] \ProvidesPackage{xalgebra}[2020/09/10 1.0.0 Usefull definitions for Algebra] \RequirePackage{amssymb} % For the double-struck capital letters \RequirePackage{amsmath} % For the \DeclareMathOperator \RequirePackage{mathrsfs} % For \mathscr % Generic stuff \newcommand{\abs}[1]{\left|\nobreak#1\nobreak\right|} % Absolute values \DeclareMathOperator{\Rad}{Rad} % Jacobson radical \DeclareMathOperator{\rad}{rad} % Jacobson radical % Linear Algebra stuff \newenvironment{system} {\left \{ \begin{aligned}} {\end{aligned} \right.} % Linear system of equations \DeclareMathOperator{\Tr}{Tr} % Operator trace \DeclareMathOperator{\Id}{Id} % Identity operator \DeclareMathOperator{\Bil}{Bil} % The space of bilinear maps \DeclareMathOperator{\Mat}{Mat} % Matrix algebra \DeclareMathOperator{\Sym}{Sym} % Symetric product of vector-spaces \DeclareMathOperator{\Flag}{Flag} % The space of full flags of a vector space \newcommand{\base}{\mathcal{B}} % Vectorspace base \renewcommand{\Re}{\mathrm{Re}\,} % Real component \renewcommand{\Im}{\mathrm{Im}\,} % Imaginary component \newcommand{\norm}[1]{\left\lVert\nobreak#1\nobreak\right\rVert} % Vector norm % Group Theory stuff \DeclareMathOperator{\Inn}{Inn} % Inner automorphism group \DeclareMathOperator{\Out}{Out} % Outer automorphism group \DeclareMathOperator{\sgn}{sgn} % Permutation sign (parity) \newcommand{\actson}{\circlearrowleft} % Group action indicator % Ring Theory stuff \DeclareMathOperator{\Frac}{Frac} % Field of fractions \DeclareMathOperator{\fchar}{char} % Field characteristic \DeclareMathOperator{\Irr}{Irr} % Minimal polynomial % Galois Theory \DeclareMathOperator{\Gal}{Gal} % Galois group \newcommand{\sepcloj}[1]{{#1}^\textsc{sep}} % Separable clojure of a Galois % extension % Module Theory \newcommand{\Ind}[2]{\operatorname{Ind}_{#2}^{#1}} % Induced module \newcommand{\Coind}[2]{\operatorname{Coind}_{#2}^{#1}} % Coinduced module \newcommand{\Res}[2]{\operatorname{Res}_{#2}^{#1}} % Restriction of scalars \DeclareMathOperator{\Ann}{Ann} % The annihilator of a % module % Homological algebra \DeclareMathOperator{\Ext}{Ext} % Ext functor \DeclareMathOperator{\Tor}{Tor} % Tor functor \endinput