Scientific program (Discrete Dynamical Systems, Finite Automata andCombinatorics, Urumqi(Urumchi,Wulumuqi) 1999) :
1) Discrete dynamical systems : symbolic dynamical systems, notions ofentropy and complexity, infinite words on a finite alphabet (spectral andergodic properties), prediction algorithms of a random process,pseudorandom sequences.
2) Finite Automata : Finite automata, substitutions and transductors,auto-similarity, fractal sets, diophantine approximations, systems ofnumeration, quasi-cristalline structures and tiling theory,Ising models and automata.
3) Combinatorics : Combinatorial properties of infinite words on a finitealphabet, arithmetical and geometrical properties of systems with lowcomplexity, and other topics on graphs and combinatorics.
Scientific committee
Yong-Chuan CHEN (Los Alamos and Nankai Univ.)
Teturo KAMAE (Osaka City Univ., Osaka)
Yuji ITO (Keio Univ., Yokohama)
Xiao-Feng GUO (Xingjiang Univ., Urumqi)
Christian Mauduit (Aix-Marseille II, Luminy)
Jacques PEYRIERE (Paris XI, Orsay)
Zhi-Ying WEN (Tsinghua Univ. and Wuhan Univ., Beijing)
Secretary of the conference
Ya-Ru Dang
Venue and dates
The conference will be held in the Xinjiang University (Urumqi, Xinjiang),23-27, August, 1999.
Call for papers
To submit a paper, you should attach a one-page abstract including thetitle, author(s), and an abstract of less than 100 words.The deadline for receipt of paper is 30 April, 1999.The abstract could be sent by e-mail in the LaTex fileto Prof. GUO Xiao-Feng or WEN Zhi-Ying(see below the e-mail address).
Accommodation
1). Most participants will be housed in the Hotel of Xinjiang University.
If there are not enough rooms in the Hotel of Xinjiang University,participants will be housed in the Hotel of Huaqiao. However, one needs totake a walk about fifteen minites to get to the conference site.
The cost of one room
Single 300 yuan/day (1 US Dollar=8.1 yuan about)
Double 150 yuan/day each person
2). The meals duing the conference will be coverd by the conference.
Registration fees
The registration fee is 400 yuan, the registration fee will be used to refreshment, banquets, etc.
Registration
You can register by
1). Complete the registration form and return it (together with theabstract of your paper) to GUO Xiao-Feng by e-mail: xfguo@xju.edu.cn
or fax: 86-991-2879377
or postal mail to:
Prof. Xiaofeng Guo, Institute of Mathematics and Physics, XinjiangUniversity, Wulumuqi Xinjiang 830046, P. R. China.
2). or by e-mail to WEN Zhi-Ying: wenzy@tsinghua.edu.cn
Organizer
Tsinghua University
Xinjiang University
Sponsors
NNSF of China
Xinjiang University
Transports
There are flights from Beijing, Shanghai and Guangzhou to Urumqi every day,when you arrive at the airport of Urumqi, we will pick you up to the hotel.(When you have reserved your flight to Urumqi, please tell us the number of theflightby e-mail or fax).
Tourism
We will organize a tour in some place near Urumqi (for example, Tianchi Lake)during the conference, of which the expense will be covered by the conference.If there are enough people who want to take a tourin other place of Xinjiang after the conference, we will help you to contactsome agent.
For example, a possible tour line is from Urumqi - Turpan(Tulufan) - Querle(Buositen lake) - Urumqi. It will spend 3 days (maybe August 27-29). The costis about 1500 yuan each person.
1. PERSONAL INFORMATION
NAME:
(Family) (First)
SEX:
NATIONALITY:
MAILING ADDRESS:
CITY:
STATE:
COUNTRY:
No. PASSPORT:
FAX:
TEL:
E-MAIL:
2. HOTEL RESERVATION
SINGLE:
(about 300yuan/day)
DOUBLE
(about 150yuan/day each person)
CHECK-IN DATE:
CHECK OUT DATE:
TOTAL NUMBER OF NIGHTS:
3. TOURISM
Do you attend the tourism after the conference?
Yes/no:
4. Please return this form as well as the abstractof your paper by e-mail (or by ordinary mail) to the oneof:
Prof. GUO Xiao-Feng: xfguo@xju.edu.cn
Prof. WEN Zhi-Ying: wenzy@tsing.hua.cn
A survey of Urumqi
Being located at the northern foot of the Tianshan Mountains and on theedge of the Zhungar Basin, Urumqi, with an area of 49.3 sq-km, withinthe urban district and a population of about 1.2 million, is the capital ofXinjiang,in the past travellers on the Silk Road all had to pass through it.
The golden season of this city is from May to September, when flowersare all in blossom and various kinds of melons and fruits are everywherein the city. In the suburbs of Urumqi there are many tourist spots andsummer resorts such as the well-known Tianchi Lake, the densely woodedNanshan Mountain, the stone coffins in the graves of the period of theWarringStates in Wulabo, the ruins of an ancient city built in the Yuan Dynasty,etc.The traditional sports such as girl chasing, lamb tussing, horse race, etc.which are often held in the Nanshan pastureland will all the more attractthe tourists.
A survey of Turpan
In the low-lying Turpan basin at the southern of the Tianshan Mountainin the central part at Xinjiang lies city of Turpan. The Turpan besinis the lowest area in China, in which the Aiding Lake, with the surfacebeing 154m, below sea level, is the second lowest spot, next onlyto the Dead Sea in Jordan, it is also the hottest place in China, socalled also the Fire Continent.
Turpan was called Gushi in ancient times. In the Han Dynasty it was firstcalledthe State Cheshiqian and later the State of Cheshiqianwang. In the NorthernWei Dynasty the Rourans established the Kindom of Gaochang in Turpan. In theTang Dynasty Xichang Zhou was established here and later it was changed toXi Zhou.In 1913, Turpan County was set up.
Turpan was an important and big town on the Silk Road. There are now in thesuburbsof the Turpan City the ruins of some ancient cities built more than 1500years agoand precious ünderground museums"-tombs of the ancient times from the 3rdto the9th centuries.
A survey of Kashi
Kashi Prefecture is situated in the southern part of Xinjiang, borderingupon theTaklamaken Desert in the east and upon Afghanistan, Pakistan and India tothe westand southwest. The Kashi city, is the capital of Kashi Prefecture, it is1473 km.from Urumqi.
Kashi is the abbreviation for Kashgar. In 60 B. C., it was administered asOffice of theGovernor of the Western Regions. In the Han Dynasty, Ban Chao, with Kashi ashis headquarters,stayed to built up the Western Regions for 30 years. After the establishmentof Xinjiang in 1884,Shufu County was set up here. In 1952, part of the county was seperated andthe Kashi City wasestablished.
Kashi has an arid continental climate of the temperate zone with distinctseasons,of which the summer is long while the winter is short. The annual average is11.7C andthe average temperature of July is 25.9C.
Being an important open city on the ancient Silk Road, Kashi has always beena place wherethe eastern and western cultures are blended. In Kashi tourists can enjoythe Kashi Mukam.Kashi is a city with many scenic and historical sites as the Apahoja Tomb,the EtgarMosque, the Yusup Hashajip Tomb, the ancient City of Isiksar, the ancientCity of Ban Chao,the ruins of Genggongtai,etc.
Foreigners can tour Kashi at any time of the year, but the best season fortourism are summerand autumn.