Prima del frontespizio ho inserito queste righe di codice:
[\documentclass[a4paper,11pt,oneside,openright,english]{book} %CLASSE DEL DOCUMENTO
%———————————————————————————————————————–
\usepackage[T1]{fontenc}
\usepackage{indentfirst}
\usepackage{fancyhdr}
\usepackage{graphicx}
\usepackage{epstopdf}
\usepackage{booktabs}
\usepackage{amssymb}
\usepackage{amsmath} %DEFINIZIONE DEI PACCHETTI UTILIZZATI
\usepackage{latexsym}
\usepackage{amsthm}
\usepackage{eucal}
\usepackage{eufrak}
\usepackage{makeidx}
\usepackage{hyperref}
\hypersetup{colorlinks=true,linkcolor=blue}
\newcommand{\degree}{\ensuremath{^\circ}}
\providecommand{\abstract}{}
\providecommand{\abstractname}{Abstract}
\usepackage{abstract}
%—————————————————————————————————————
\pagestyle{fancy}\addtolength{\headwidth}{20pt}
\renewcommand{\chaptermark}[1]{\markboth{\thechapter.\#1}{}}
\renewcommand{\sectionmark}[1]{\markright{\thesection\#1}{}}
\cfoot{}
\rhead[\fancyplain{}{\bfseries\leftmark}]{\fancyplain{} %COMANDI PER UN BUON LAYOUT %
{\bfseries\thepage}}
\lhead[\fancyplain{}{\bfseries\thepage}]{\fancyplain{}
{\bfseries\rightmark}}
%——————————————————————————————————————————
\begin{document}
][/code]