deletions | additions       diff --git a/header.tex b/header.tex  index e69de29..24ae5d5 100644  --- a/header.tex  +++ b/header.tex 
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\documentclass[12pt,a4paper]{report}  \usepackage[utf8]{inputenc}  \usepackage{amsmath}  \usepackage{amsfonts}  \usepackage{amssymb}  \usepackage{bbold}  \usepackage[italian,english]{babel}  \usepackage{graphicx}  \usepackage{pgfplots}  \usepackage{lettrine}  \usepackage{yfonts}  \usepackage{calligra}  \usepackage[T1]{fontenc}  %\usepackage[Bjornstrup]{fncychap}  \usepackage{mathrsfs}  \usepackage{float}  \usepackage[caption = false]{subfig}  %\usepackage[style=numeric-comp]{biblatex}  %\renewcommand%   %\LettrineFontHook}%   %{\fontfamily{calligra}}%   %\renewcommand%   %{\LettrineTextFont}{\itshape}  %\ChTitleVar{\Huge\calligra}  %\renewcommand{\sfdefault}{iowa}  \newcommand{\bra}[1]{\ensuremath{\left\langle#1\right|}}  \newcommand{\ket}[1]{\ensuremath{\left|#1\right\rangle}}  \newcommand{\bbra}[1]{\ensuremath{\left\langle\langle#1\right|}}  \newcommand{\kket}[1]{\ensuremath{\left|#1\right\rangle\rangle}}  \newcommand{\braket}[2]{\ensuremath{\left\langle#1 \vphantom{#2}\right| \left. #2 \vphantom{#1}\right\rangle}}  \newcommand{\ketbra}[2]{\ensuremath{\left|#1\right\rangle \left\langle#2\right|}}  \newcommand{\ddag}[1]{D^{\dagger}(#1)}  \newcommand{\disp}[1]{e^{#1a^{\dagger}-#1^*a}}  \newcommand{\Abs}[1]{\ensuremath{|#1|}}  \newcommand{\Absq}[1]{\ensuremath{|#1|^2}}  \newcommand{\conj}[1]{\ensuremath{#1^*}}  \newcommand{\panino}[3]{\ensuremath{\left\langle#1|#2|#3\right\rangle}}  \newcommand{\heav}[2]{\ensuremath{\theta(#1-#2)}}  \newcommand{\adag}{a^{\dagger}}  \newcommand{\id}{\mathbb{1}}  \newcommand{\Hilb}{\ensuremath{\mathscr{H}}}  \newcommand{\Call}[1]{{\LARGE\calligra #1}}  \newcommand{\Lettr}[2]{\lettrine[lines=1]{\itshape{\Large #1}}{~#2}}  \newcommand{\Rosso}[1]{\textcolor{red}{#1}}  \newcommand{\Blu}[1]{\textcolor{blue}{#1}}