有人能帮助我吗?我希望我的 Beamer Slides 上方导航栏中的圆圈居中。
我现在的代码如下:
\documentclass[8pt,hideothersubsections]{beamer}
\usepackage{beamerthemesplit}
\usepackage[applemac]{inputenc}
\usepackage[english]{babel}
\usepackage{lmodern}
\usepackage{amsmath}
\usepackage{amsthm}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{graphicx}
\usepackage{subfigure}
\usepackage{multirow}
\usepackage{bm}
\graphicspath{{./immagini/}}
\usepackage[font=small,labelfont=bf]{caption}
\usepackage{tikz}
\usepackage{eurosym}
\theoremstyle{plain}
\renewcommand{\thmhead}[3]{\thmname{#1}\thmnumber{ #2}\thmnote{ (#3)}}
\newtheorem{thm}{Teorema}
\newtheorem{cor}[thm]{Corollario}
\newtheorem{es}{Esercizio}
\newtheorem{lem}[thm]{Lemma}
\newtheorem{prop}[thm]{Proposizione}
\newtheorem{defi}{Definizione}
\theoremstyle{definition}
\newtheorem{oss}{Osservazione}
\theoremstyle{definition}
\newtheorem{ese}{Esempio}
\theoremstyle{definition}
\newtheorem{conge}{Congettura}
\theoremstyle{definition}
\DeclareMathOperator{\sgn}{sgn}
\usetheme{Berlin}
%\usetheme{Frankfurt}
%\usecolortheme[named=red]{structure}
%\usecolortheme[RGB={0,0,25}]{structure}
\usepackage{remreset}
\makeatletter
\@removefromreset{subsection}{section}
\makeatother
\setcounter{subsection}{1}
\setbeamertemplate{caption}[numbered]
%\setbeamertemplate{headline}{}
%\setbeamertemplate{footline}{}
\definecolor{darkcyan}{rgb}{0.0, 0.55, 0.55}
%\usecolortheme{dolphin}
\usecolortheme[named=darkcyan]{structure}
\usefonttheme[onlymath]{serif}
\setbeamertemplate{navigation symbols}{}
\pgfdeclareimage[height=1cm]{logonuovo}{logo_Unibg}
\titlegraphic{\pgfuseimage{logonuovo}}
\title{Persistent and Temporary Efficiency in Airport Cost Function}
\author[Gianmaria Martini]{Gianmaria Martini$^\S$, Davide Scotti$^\S$, Domenico Viola$^*$ \& Giorgio Vittadini$^{\dag}$}
%{{\textbf{Gianmaria Martini}$^\S$}, {\textbf{Davide Scotti}$^\S$}, {\textbf{Domenico Viola}$^*$} \& {\textbf{Giorgio Vittadini}$^{\dag}$}
% \\
% \textbf{Presentation by Gianmaria Martini}\\
% \textbf{2017 ATRS World Conference--Antwerp} \\
\institute[Universit\`a degli Studi di Bergamo]
{
\small{$^\S$Universit\`a degli Studi di Bergamo} \\
\small{$^*$Universit\`a degli Studi di Bari} \\
\small{$^{\dag}$Universit\`a degli Studi di Milano--Bicocca} \\
}
\date{July 2017}
\begin{document}
\begin{frame}
\titlepage
\end{frame}
\section{Outline}
\begin{frame}
\frametitle{Outline of presentation} % Insert frame title between curly braces
\tableofcontents
\end{frame}
\section{Motivation}
\begin{frame}
\frametitle{Motivation \#1} % Insert frame title
\end{frame}
\begin{frame}
\frametitle{Motivation \#2} % Insert frame title
\end{frame}
\begin{frame}
\frametitle{Motivation \#3} % Insert frame title
\end{frame}
\section{Data}
\begin{frame}
\frametitle{Data \#1} % Insert frame title
\end{frame}
\begin{frame}
\frametitle{Data \#2} % Insert frame title
\end{frame}
\begin{frame}
\frametitle{Data \#3} % Insert frame title
\end{frame}
\section{Literature}
\begin{frame}
\frametitle{Literature \#1} % Insert frame title
\end{frame}
\begin{frame}
\frametitle{Literature \#2} % Insert frame title
\end{frame}
\begin{frame}
\frametitle{Literature \#3} % Insert frame title
\end{frame}
\end{document}