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\def\xyzemail{xingyuanzhang at 126 dot com}

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\begin{document}

\title{\LARGE\bf ITP 2015 Conference Booklet}

\author{Xingyuan Zhang, Chunhan Wu  and Christian Urban}

\date{\today}

%%\tableofcontents 

\maketitle

\chapter{Pre-Arrival}

\section{Registration and Conference Fee}

In short

\begin{itemize}

\item[(1)] you need to make a bank transfer for the conference 

fee in your local currency, and  

\item[(2)] you need to email Xingyuan with your details\\ 

  (\xyzemail)

\end{itemize}

\noindent Xingyuan will then confirm that the payment has been

received. Note that if you are Chinese and need a \emph{fa

piao} to reclaim the conference fee, you need to contact 

Xingyuan directly before making any money transfer. 

\medskip

\noindent The early conference fee is RMB 3300, which is

approximately \pounds{}350, \$533, or \euro{}488. It must be

transferred via bank transfer and must be made in your local 

currency; we cannot accept any other form of payment. The 

tutorials can be registered independently from the conference. 

The conference fee includes lunches during the conference. It

also covers the excursion, the conference banquet and a

welcome reception. 

\begin{center}

\begin{tabular}{l@{\hspace{4mm}}l}

Early conference fee until 31.~July: & RMB 3300\\

Late conference fee from 1.~August:  & RMB 3800\bigskip\\

Additional banquet dinner and excursion: & RMB 530\\

(one is included in the conference fee)\bigskip\\

Isabelle tutorial (21 -- 23 August): & RMB 250\\

Coq tutorial (27 -- 29 August):       & RMB 200\\

\end{tabular}

\end{center}

\noindent The amount payable needs to be

transferred to the account:

\begin{center}

\begin{tabular}{ll}

Account holder's name:&  Zhang Xingyuan\medskip\\

Beneficiary bank:& BANK OF CHINA\medskip\\

Swift Code:& BKCHCNBJ940\medskip\\

Account number:& 504066588897\medskip\\

Beneficiary bank address:&   Nanjing Mei Hua Shan Zhuang\\ 

                         &    Sub-branch, Nanjing, China\medskip\\

Account holder's address:& \\

  & Suite 2106, Building 20,\\
  & 20 Biao Ying,\\ 
  & Qinhuai District,\\ 
  & Nanjing, Jiangsu Province,\\
  & People's Republic of China.\\
\end{tabular}

\end{center}

\noindent {\bf Please make doubly-sure that your bank

transferral contains your full name as reference (additional

information field), and is in your local currency 

(e.g.~\euro, \$, \pounds)!} Otherwise we will have no idea 

where the money came from, and will not be able to receive

the money on our end. Please also make sure that your transferral

covers all bank fees.\bigskip

\section{Hotel Booking}


In short, you need to send your arrival and departure 

details to Chunhan 

(\cwemail).\bigskip

\noindent While it is possible to book the hotel via official

online travel web-pages, the price there is higher. The

easiest is to send Chunhan your name, arrival and departure

dates and he will send you back a booking ticket from Hanyuan

hotel, which you might need for your visa application. 

You can pay the hotel when you arrive using Visa or

MasterCard.

\section{Visa}

Please be aware that for travelling to China you will need a

visa, for which you have to apply {\bf beforehand}. It often takes

one or two weeks before a visa is granted. Though if you 

are prepared to pay a higher application fee, then you can 

shorten the delay to a few days. For the visa you

will need an invitation letter, which Chunhan will send you

(\cwemail). You need to provide him with your name, title, 

DOB, work address, e-mail and paper title (if you present a paper). 

He will e-mail you the invitation letter. You might also need

your hotel booking (see above) and flight details for the visa

application.

\chapter{Arrival}

Welcome in China. You made it to the destination airport.

Unless your are one of the very few foreigners who can speak

and read Chinese, potentially the most challenging part of

your journey is about to begin. Below we explain how to get to

Hanyuan Hotel in Nanjing from Nanjing Lukou Airport and from

Shanghai Pudong Airport. If you arrive from somewhere else and

need help, please let us know.

China is generally a safe country for travelling, if the usual

precautions are taken. We assume you have never been in China 

before, therefore let us still start with some general points.

\begin{itemize}

\item \textbf{Weather}\hspace{3mm} 

Unfortunately end of August is the time when it will be especially

hot in Nanjing (usually above 30$^{\circ}$C). Be prepared with lots of

light clothes, but do not forget a jumper, or sweater, since many

places are air-conditioned. It can also rain.

\item \textbf{Bottled Water}\hspace{3mm}

Whereas in many places it is safe to drink water from taps,

do not take chances and drink only bottled water! During the

conference we will provide bottled water. In other places you

have to buy bottles yourself. Remember, Chinese are famous for

nibbling on hot tea the whole day, even in sweltering 

temperatures. There is a reason for this. 

\item \textbf{Traffic}\hspace{3mm} 

Do not even think of renting a car in China. Hence, while in

China, you probably will be mostly going around on foot. Be

careful though: You might come from a region where traffic rules are

organised so that pedestrians are mostly

treated with respect by all other road users, or even have an

``elevated status'' because they are considered the ``weakest''. 

Traffic in China is, in contrast, organised more, shall we say, 

according to a Darwinian model: Under no circumstance assume a

car (or even a bicycle or one of the noiseless electric motor bikes) will stop for you. As pedestrian, you

have to take care of everybody else. Therefore, whenever

possible cross roads at traffic lights and even if the light

shows green for you, look out for cars that pay no attention to this

fact. Also, zebra crossings do \emph{not}, I repeat, \emph{do not} 

have any special meaning in

China for the road users higher up the traffic ladder

(i.e.~bicycles and above). 

Even if it sounds too funny, take

our word and head this advice\ldots{}it might increase your

life-expectancy. 

\item \textbf{Free Public Wifi / Mobile Phones}\hspace{3mm}

While free public wifi is nowadays pretty ubiquitous in big

cities in China (Starbucks, Costas, McDonalds are obvious

places where to find wifi), you need a working mobile phone in

order to use it. You will have to register your number when

you log in, and the wifi operator will then send you a

password token via SMS. The problem is that chances are great

your mobile phone will \emph{not} work in China. Therefore do

not assume you can check information on the Internet while

travelling. 

At the hotel there will be wifi (with the super-secure

password: 123456789). But again, do not assume you can

download that last episode of the Daily Show: while bandwidth

will generally be enough for reading email, be prepared for an

uninterrupted stay in China, free from any disturbance coming

from online demands.

\item \textbf{Google etc}\hspace{3mm}There are two Great Walls in

China: one prevents you from accessing Google, for example. Use

\url{www.aol.com} or \url{www.bing.com} instead as your preferred

search engine. Also, if you care about such things, set your 

status on Facebook to ``unavailable'' for the period of time

you will be in China. Ditto Twitter. If you do want to access

those services, you need to use a VPN back home.

\item \textbf{Map of Hotel / Taxis}\hspace{3mm} While more and 

more young Chinese are exposed to English, you cannot 

rely on anyone of the general public speaking more than a few

words. Rather, you have to always calculate with the very, 

very likely scenario that nobody speaks any English at all

and all

signs round you are written in characters that do not give you the 

slightest idea what they are about. This means you always

have to prepare your travelling beforehand and ask for help

if you are unsure! 

One part of \emph{every} trip preparation, including your

arrival, should be to carry with you a printed copy of the map

where the Hanyuan Hotel is located (see Fig.~\ref{hanyuan}).

When you want to go to the hotel by taxi, you need to show the map to

the driver, since telling Hanyuan Hotel will most probably not

be understood and also the driver most likely does not know

where it is located. Showing the map will also guard against

the possible situation where a taxi driver cannot actually

read the address.\footnote{You might sneer at this. But

remember: the prime age of Chinese taxi drivers appears to be

50 plus. If you can also remember, between 1966 and 1976

somebody had the ``great'' idea to be nasty to teachers

(amonst others). So the education these people were able to

receive when their were in their teens was rather rudimentary.

Given that the ability of reading Chinese characters takes

years of arduous studying, it is glaringly obvious that it is

not their fault.} Take the map always with you: it might be

your life-line to avoid unpleasant situations. For 

travelling inside Nanjing, taxis can be hailed at the

street.

\item \textbf{Cash / Credit Cards}\hspace{3mm}While foreign

credit cards are accepted in a number of places, including

the hotel,\footnote{Visa and Mastercard} these places are 

considered ``upmarked'' in China. So if you insist on being able

to use your credit card, you will often be paying some form of 

premium. Cash still rules many aspects of Chinese life

(metro ticket, taxi journey,\ldots{}) where foreign credit cards 

are of no use (China has its own credit card system which is

accepted more widely, but also not everywhere). Pretty much the 

only places where cash can be obtained with a foreign credit 

card are ATMs in Chinese banks.\footnote{MORE INFO NEEDED}

\end{itemize}

\begin{figure}[p]

\begin{tabular}{l}

Address of Hanyuan Hotel:\medskip\\

%司机师傅，请将我送往``{\bf 童卫路20号翰苑宾馆}''，其位置如地图中红色A点所示。\\

%酒店电话：02584393962。谢谢！

\end{tabular}

\begin{center}

\makebox[0mm]{\includegraphics[scale=0.5]{travel_guide/badu.png}}

\end{center}

\caption{The location of the Hanyuan Hotel. Please print out!

\label{hanyuan}} 

\end{figure}

\section{Travel from Nanjing Lukou Airport to the Hanyuan Hotel}

There are essentially three options depending on how frugal

or adventurous you want to be:

\begin{itemize}

\item The first option is to take a taxi for the whole journey

      from the airport to the hotel. Follow the taxi signs at

      the airport and take a yellow taxi. The journey will

      cost you around 130 RMB (\euro{}19, \$21) and takes

      about 45 minutes. Show the driver the map in

      Fig.~\ref{hanyuan}. The taxi needs to be paid in cash.

\item A bit less expensive is going first by Metro Line S1

      from the airport to Nanjing Nan Railway Station (Nanjing

      South Railway Station). The metro will operate between

      6:40 and 22:00. As you can see in the map in

      Fig.~\ref{metronanjing}, Nanjing Nan will be the last

      stop on Line~S1. At Nanjing Nan Railway Station you go

      to the taxi stand, which means following the yellow path

      in the map below, and take a taxi from there. To reach

      the taxi stand you need to leave the metro via exit 2B

      and follow the signs for ``Taxi (Underground)''. This

      option takes approximately 55 minutes and costs 7 RMB

      for the metro ticket and around 36 RMB for the taxi.

      \begin{center}

      \includegraphics[scale=0.4]{travel_guide/ggg.jpg}

      \end{center}

\item If you already paid the fixed price for the metro, why

      not going the whole way by metro? This is the third

      option. The disadvantage is that you need to change

      at Nanjing Nan Railway Station to Line 3 and at 

      Daxinggong to Line 2 for Xiamafang or Muxuyuan, which

      are the closest station to the Hanyuan Hotel 

      (Fig.~\ref{metronanjing}). Both

      stations then need a 15 minutes walk to the hotel.

      This is another disadvantage of this option if you have 

      a heavy suitcase.

\end{itemize}

\begin{figure}[p]

\begin{center}

\makebox[0mm]{\includegraphics[scale=1.1]{travel_guide/metromapnanjing.png}}

\end{center}

\caption{Metro map of Nanjing. Stations

Xiamafang and Muxuyuan on Line 2 are 

closest to the hotel.\label{metronanjing}} 

\end{figure}

\subsubsection*{Getting a Ticket for the Metro in Nanjing}

Entering the metro station at the airport means you have to go 

through a brief security check where your luggage will be 

X-rayed. After the check you will see ticket machines

\begin{center}

\includegraphics[scale=0.27]{travel_guide/20150331_110412.jpg}

\hspace{4mm}

\includegraphics[scale=0.27]{travel_guide/20150331_110548.jpg}

\end{center}

\noindent which can change the language to English. You need

to select the destination station (shown on the right). Next

you need to pay for the ticket in 10 RMB or 5 RMB bank notes,

or 1 RMB coins. (INFO WHERE TO GET CHANGE?) You will obtain a

blue plastic coin which is your ticket. This coin needs to be

swiped when going through the gates of the metro (shown on the

right). 

\begin{center}

\includegraphics[scale=0.27]{travel_guide/20150331_110738.jpg}

\hspace{4mm}

\includegraphics[scale=0.27]{travel_guide/IMG_7177.jpg}

\end{center}

\noindent At the end of your journey you will

have to return the blue coin at the exit gate. (??)

\section{Travel from Shanghai Pudong Airport}

Many of the participants will arrive at Shanghai Pudong

Airport. From there, in short, you have to get to (1) the Hong

Qiao railway station and then from there to (2) Nanjing Nan

railway station. From Nanjing Nan, you can follow the

suggestions in Section \ref{nanjingtaxi}. Overall this will

take approximately 3h of travelling to the hotel. 

\subsection*{From Shanghai Pudong Airport to Hong Qiao Train Station}

For the first leg to Hong Qiao train station there are

essentially two travel options: one recommended by locals

and being the more sensible option is to take the airport bus;

the other is by the World's only commercial Maglev train 

and a change to the metro. 

\begin{itemize}

\item \textbf{Option 1 by Airport bus}: 

At the Pudong Airport follow the signs for Airport Bus, or Airport

Ring Bus. You have to take Line 1, which operates between 7:00

and 23:00. The bus stop where you have to wait is 

\begin{center}

\begin{minipage}[t]{10cm}

\mbox{\includegraphics{travel_guide/image005.jpg}}

\end{minipage}

\end{center}

The waiting time is around 15 minutes during peak hours, or 30

minutes at other times. The ticket costs 30 RMB (\euro{}4.25,

\$5) and can be bought on the bus. This however requires cash.

While you wait, be prepared to be harassed by taxi drivers,

who insist on driving you to Hong Qiao train station. You can

ignore them: it will cost you more, around 100 RMB; the bus is

comfortable and air-conditioned, unlike the taxi; and, like

the taxi driver, the bus driver already aims for maximum

possible speed given good road conditions. 

The airport bus takes around 1h and makes only two stops at

the very end of the journey. Both stops are in near

proximity. You have to take the \emph{second} stop at Hong Qiao

Railway Station. You will be able to see the big signs of

Hong Qiao Railway Station when you approach the station. Do 

not take the exit for Hong Qiao International Airport.

\item \textbf{Option 2 Maglev train / Metro}: 

Of course travelling on the Maglev is pretty cool\ldots{}

reaching speeds of 415 km/h at certain(!) times of the day,

namely 9:02--10:47 and 15:02--16:47. At other times it will 

travel only at mere speeds of 300 km/h.  Anyway, a

ticket will set you back around 50 RMB (\euro{}7, \$8). The

ticket can be paid in cash or credit card. 

The service of the Maglev

starts at 7:02 and finished the day at 21:42.

To take this option 

at the airport, you will need to follow the Maglev signs. The problem with

this option, however, is that you can only go until  Longyang 

Road Station and then have to

change into the overcrowded metro Line 2. The change to the

metro is a short walk from the Maglev. You have to first buy a

ticket at the metro station and then take Line 2. The good thing

about this option is that metro travelling in Shanghai is

pretty easy for foreigners as all stations are signed out in letters. Overall

the journey time of this option is around 2h. So unless

you really want to sample the feeling of travelling for 7

minutes at 415 km/h, we recommend Option 1 by bus. 

\end{itemize}

\subsection*{From Hong Qiao Train Station to Nanjing Nan via

High-Speed Train}

The airport bus will stop directly in front of the southern

part of the Hong Qiao train station. As background, train

stations above the village level in China are organised more

like an airport, than the sleepy train station you might be

familiar with. Therefore you first have to go through a

security gate where luggage is checked and you padded by a

security guard. The security guard might be of either sex and

this is seen as normal by Chinese. The entire check is done

orderly, but appears to be only a token check and so

fortunately is very speedy. 

Next you need to buy a train ticket. There are ticket

counters, see left below, signed out in the main hall. 

\begin{center}

\includegraphics[scale=0.8]{travel_guide/image038.jpg}

\includegraphics[scale=0.8]{travel_guide/image040.jpg} 

\end{center}

\noindent You have to queue on the longer queue and buy a

ticket for Nanjing Nan (Nan stands for South station). You

will need to show your passport in order to buy a ticket. The

ticket will cost around 135 RMB and looks like this:

The G-Number (G42 above) stands for the train number. Then

there is the coach number and seat number. The ticket above is

for second class (-\ -). For the short duration of the trip

there is no real need to buy a ticket for first class.

Next you have to wait for your train on the main concourse of

the station. On the main display the platform of your train

will be displayed 30 minutes before departure. Assuming you

have some time, rest for a moment and take in the atmosphere

of a typical Chinese train station\ldots nothing like what you

can experience, for example, at Clapham Junction during

rush-hour.\footnote{Trivia, in case you did not know: Clapham Junction

supposedly is the biggest train station in Europe in terms of

passengers and rail tracks.}

Once you know the platform, go to the gate. Be careful, the

gates are nestled between the shops and might be easily

overlooked. For each platform there are two gates labelled `A'

and `B', respectively. `A' stands for the front of the train 

and `B' for the rear -- you know which one to go from your 

ticket.

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 \begin{tabular}[t]{@{}|@{\hspace{0.5mm}}L{\cw}@{\hspace{0.5mm}}|}

  \multicolumn{1}{c}{\textbf{Monday}}\\

  \hline

  9:00 -- 10:00\smallskip\\

  Short Intro Session\smallskip\\

  M.~Moscato, C.~Munoz, A.~Smith\\

  Affine Arithmetic and Applications to Real-Number Proving\\

  \hline

  \multicolumn{1}{@{}|l|@{}}{\hspace{-1mm}\cellcolor{blue!20}20 mins coffee break}\\

  \hline

  10:20 -- 11:10\smallskip\\

  J.~Hölzl, A.~Lochbihler, D.~Traytel\\ 

  A Formalized Hierarchy of Probabilistic System Types (Proof 

  Pearl)\smallskip\\

  F.~Immler\\ 

  A Verified Enclosure for the Lorenz Attractor (Rough 

  Diamond)\\

  \hline

  \multicolumn{1}{@{}|l|@{}}{\hspace{-1mm}\cellcolor{blue!20}20 mins coffee break}\\

  \hline

  11:30 -- 12:30\smallskip\\

  A.~Anand, R.~Knepper\\ 

  ROSCoq: Robots Powered by Constructive Reals\smallskip\\

  H.~Chan, M.~Norrish\\

  Mechanisation of AKS Algorithm: Part 1 – the Main Theorem\\