\documentclass[a4paper,11pt,titlepage]{report}
%\pdfoutput=1
\usepackage{epsfig,cite,amsfonts,amssymb,amsmath,bbold}
\usepackage[font=small,labelfont={sf,bf}]{caption}
\usepackage{subcaption}
\usepackage[T1]{fontenc}
\usepackage{tikz}
\usetikzlibrary{decorations.pathreplacing}
\usetikzlibrary{patterns} %per usare i retini
\usepackage[english]{babel}
\usepackage{simplewick}
\usepackage{dsfont}
\usepackage[utf8]{inputenc}
\usepackage{physics}
\usepackage{siunitx}
\usepackage{booktabs}
\usepackage{wrapfig}
\usepackage{slashed}
\usepackage{float}
\usepackage{MnSymbol} %llangle, rrangle
\usepackage{amsthm}
\newtheorem{theorem}{Theorem}[section]
\setcounter{MaxMatrixCols}{20}
\usepackage[toc]{appendix}
\usepackage{float}
\usepackage{footmisc}
\usetikzlibrary{decorations.pathreplacing}
\usepackage{cancel}
\usepackage{tikz-feynman}
\tikzfeynmanset{compat=1.1.0}
%\usepackage[natbib=true,backend=biber]{biblatex}
%\addbibresource{my.bib}
\usepackage{algorithm}
\usepackage{algpseudocode}
% Make references clickable
%\usepackage{hyperref}
\usepackage[hidelinks]{hyperref}
%\usepackage[colorlinks=true, linkcolor=black, citecolor=black, urlcolor=black]{hyperref}
%\usepackage[compat=1.1.0]{tikz-feynman}
\tikzfeynmanset{warn luatex=false}
\begin{document}
\selectlanguage{english}
\input{Titlepage.tex}
\newpage
\null
\thispagestyle{empty}
\newpage
\null
\thispagestyle{empty}
\newpage
\null
\thispagestyle{empty}
\pagenumbering{roman}
\chapter*{Acknowledgements}
\addcontentsline{toc}{chapter}{Acknowledgements} % Add to Table of Contents
I want to thank all of you...
\newpage
\null
\thispagestyle{empty}
\chapter*{List of Publications}
\addcontentsline{toc}{chapter}{List of Publications} % Add to Table of Contents
Add the list of your publications
\newpage
\null
\thispagestyle{empty}
%\setcounter{page}{3}
\addtocontents{toc}{\protect\thispagestyle{empty}}
\tableofcontents
\thispagestyle{empty}
\setcounter{page}{1}
\clearpage
\pagenumbering{arabic}
\chapter*{Introduction\label{ch:intro}}
\addcontentsline{toc}{chapter}{Introduction} % Add to Table of Contents
Introduction
\chapter{First chapter}
...
\chapter*{Conclusions and outlook}\label{ch:concl}
\addcontentsline{toc}{chapter}{Conclusions} % Add to Table of Contents
Conclusions...
%\appendix
%\bibliography
\end{document}