First announcement

The Fifth China-Japan-Korea International Symposium on Ring Theory.

This symposium was organized in the last symposium held in Nanjing, China 2004.

Many participants are expected to attend this symposium to develop Ring Theory.

All the information about this Symposium will be served in the web site

We hope that you can accept our invitation and look forward to your response.

　　　 3-1. Yoyogi Kamizono-cho, Shibuya-ku, Tokyo 151-0052, JAPAN

　　　 TEL. +81-3-3467-7201 (General number)　　　　　　　　　　　　

Schedule:　 This symposium starts in the morning of September 11 (Tue.) and ends in the

afternoon of September 14 (Fri.).　After this symposium, there will be one day for sightseeing or shopping, etc.

The symposium is held every 4 year on a rotating basis. The first symposium was held in 1991 in Guilin, China. In 1995 the second symposium took place in Okayama, Japan.　

At the second symposium it was decided to include Korea, who hosted the symposium of 1999.

For the detail of the history of　the symposium, refer to the web page

"http://ring.cec.yamanashi.ac.jp/~ring/cjk2007/history.html" .

The purpose of the symposium is to contribute to the development of ring theory and to strengthen the ties of friendship by mutual understanding between ring theorists in China, Japan and Korea. Some experts of other countries will be expected to attend the symposium.

Registration fee: 15,000 Japanese Yen (About US$150) for each participant;

　　　　　　　 10,000 Japanese Yen (About US$100)　for each accompany person.

Registration fee is paid upon arrival. We normally expect that participants will arrive on September 10 (Mon.) and depart on September 16 (Sun.), 2007.

The registration fee covers soft drinks, banquet, local sightseeing during this symposium,

　　All participants (including accompany members) should fill out the registration form

on the web page　" http://ring.cec.yamanashi.ac.jp/~ring/cjk2007/"

One page (A4 size) abstract of contributed presentations will be printed in a booklet which will be distributed to all participants.

As far as possible, author(s) should make full use of the page to give the readers a

complete account of their work. It is preferred that abstracts should be prepared using a LaTex

style file. Abstracts (including titles and affiliations) should be submitted by email to

Both tex source file and dvi file are required. For the sample of header, refer to the web page

"http://ring.cec.yamanashi.ac.jp/~ring/cjk2007/abst-ex.html".

　　The proceedings of this symposium will be published by World Scientific. All papers

submitted to the proceedings will be refereed to achieve a high scientific level.

　　During this symposium, all participants stay in National Olympic Memorial Youth Center.

The cost of accommodation per person will be in the following. (Remark that it is not definite.)　

　 Single room with bath room and every meal except Sunday: 　　35,000 Yen

　 Single room without bath room with every meal except Sunday:　23,000 Yen

Normally visa is not required for short stay usually within 90 days except CHINESE

RESIDENCE.　For Chinese participants, the main organizer will send an invitation letter

to individual participant in which all the items are written to apply Japanese Visa to

Japanese embassy or a Japanese consul in China. For more information, refer to the web page

" http://ring.cec.yamanashi.ac.jp/~ring/cjk2007/visa.html ".

If you are required some documents, we are ready to issue them, please send email to

For the list of Japanese embassy or a Japanese consul, refer to the web page

September is the beginning of Autumn. But in Tokyo it is still hot.　The temperature in daytime is about 28 degrees Celsius or 82 degrees Fahrenheit. But all the buildings and transportation are air-conditioned, you can stay and go anywhere comfortably.

Japanese Yen is the only currency used in Japan. Money exchanges by cash or traveler's cheques can be made at any Bank in towns or at airports. If you arrive by airplane, you should better first exchange some Japanese money at Bank in the Airport, so as to be able to pay for taxi and other minor costs.

　　There are three main International Airports (Narita, Kansai, Central Japan International

Airport)　in Japan for airlines from China, Korea and pacific area.　

From airports, there are several railway lines to reach NYC. For details, refer to the web page

" http://ring.cec.yamanashi.ac.jp/~ring/cjk2007/trans.html ".

　　NYC is located in the center of down town area in Tokyo, but it is quiet and comfortable.

There are many public transportation like subway lines, JR and private railway lines and bus

lines which is inexpensive.　The frequency of service is every few minutes.

　 * Masaike Kanzo (Tokyo Gakugei University) Main organizer E-mail: masaike

u-gakugei.ac.jp

　 * Oshiro Kiyoichi (Yamaguchi University)　 Fund　E-mail: oshiro

po.cc.yamaguchi-u.ac.jp

　 * Marubayashi Hidetoshi (Naruto University of Education ) Proceeding E-mail:marubaya

naruto-u.ac.jp

　 * Masahisa Sato (University of Yamanashi ) Administration　E-mail: msato

yamanashi.ac.jp

　　　Kitamura Yoshimi ,　Miyachi Jun-ichi (Tokyo Gakugei University)

　　　Yokogawa Kenji (Okayama University of Science ), Iwanaga Yasuo (Shinshu University)

　　　Yamagata Kunio (Tokyo University of Agriculture and Technology)

　　* Jianlong Chen (Southeast University)　　　E-mail: jlchen

seu.edu.cn

　　* Nanqing Ding(Nanjing University)　　　　E-mail: nqding

nju.edu.cn

　　* Quanshui Wu (Fudan University)　　　　 E-mail: qswu

fudan.edu.cn

　　* Yingbo Zhang (Beijing Normal University) E-mail: zhangyb

bnu.edu.cn

　　* Jin Yong Kim (Kyung Hee University)　　 E-mail: jykim

nms.kyunghee.ac.kr

　　* Chan Huh(Pusan National University)　　　E-mail: chuh

pusan.ac.kr

　　* Yang Lee (Pusan National University)　　　E-mail: ylee

pusan.ac.kr

　　* Yong Uk Cho (Silla University)　　　　　 E-mail: yucho

silla.ac.kr

　　* Seog Hoon Rim (Kyungpook National University)　　　E-mail: shrim

bh.knu.ac.kr

　　* Chen Yong Hong(Kyung Hee National University)　　　E-mail: hcy

khu.ac.kr

　　* Nam Kyun Kim (Hanbat National University)　　　E-mail: nkkim

hanbat.ac.kr