The day of May 12, 1989 is the 70 th birthday of Professor Wu Wen-tsn, an outstanding Ghinese mathematician, an internationally recognized topologist and a founder of Mechanized Mathematic. After long years of arduous...The day of May 12, 1989 is the 70 th birthday of Professor Wu Wen-tsn, an outstanding Ghinese mathematician, an internationally recognized topologist and a founder of Mechanized Mathematic. After long years of arduous research endeavors, Wu has made enormous achievements in various aspects, and won for himself an international reputation. Wu Wen-tsn was fomerly deputy direcor of Institute of Mathematies, Academia Sinica and then deputy directer of Institute of Systems Sciences, Acade-展开更多
Ameeting to celebrate the 90th birthday of late Prof. L. K. Hua (1910-1985) was held on November 12, 2000 in Beijing. The meeting, jointly sponsored by the Chinese Academy of Sciences (CAS) and Chinese Association for...Ameeting to celebrate the 90th birthday of late Prof. L. K. Hua (1910-1985) was held on November 12, 2000 in Beijing. The meeting, jointly sponsored by the Chinese Academy of Sciences (CAS) and Chinese Association for Science and Technology (CAST), was attended by about 200 people from all walks of life.展开更多
The 24 International Congress of Mathematicians (ICM2002) was held from August 20 to 28 in Beijing. About 4,200 mathematicians from more than 100 countries participated in the quadrennial meeting orga nized by the... The 24 International Congress of Mathematicians (ICM2002) was held from August 20 to 28 in Beijing. About 4,200 mathematicians from more than 100 countries participated in the quadrennial meeting orga nized by the Chinese Mathematics Society (CMS) under the auspices of the International Mathematical Union (IMU). The Chinese Academy of Sciences was among the eight sponsors of the Congress. ……展开更多
Prof. Zhang Jingzhong, a well-known Chinese mathematician, is now serving as the honorary director of the Chengdu Institute of Computer Application under the CAS and as an instructor for doctorate students.His outstan...Prof. Zhang Jingzhong, a well-known Chinese mathematician, is now serving as the honorary director of the Chengdu Institute of Computer Application under the CAS and as an instructor for doctorate students.His outstanding attainments in the field of mathematics and computer science include his pioneering work of enriching theories and methods in mechanized demonstration,the concept of "educational mathematics" and his meritorious service as a prolific popular science writer. On December I.1936, Prof.Zhang was born in a teacher’s family in Runan County,Henan Province.After successfully passing an entrance examination in 1954,展开更多
Studies the stability for them manifold of equilibrium state of the autonomous Birkhoffsystem. Uses the Liapunov's direct method and the first approximation method to obtain thestability criterion for the manifold...Studies the stability for them manifold of equilibrium state of the autonomous Birkhoffsystem. Uses the Liapunov's direct method and the first approximation method to obtain thestability criterion for the manifold of equilibrium state of the system. Gives an example toillustrate the application of the result.展开更多
文摘The day of May 12, 1989 is the 70 th birthday of Professor Wu Wen-tsn, an outstanding Ghinese mathematician, an internationally recognized topologist and a founder of Mechanized Mathematic. After long years of arduous research endeavors, Wu has made enormous achievements in various aspects, and won for himself an international reputation. Wu Wen-tsn was fomerly deputy direcor of Institute of Mathematies, Academia Sinica and then deputy directer of Institute of Systems Sciences, Acade-
文摘Ameeting to celebrate the 90th birthday of late Prof. L. K. Hua (1910-1985) was held on November 12, 2000 in Beijing. The meeting, jointly sponsored by the Chinese Academy of Sciences (CAS) and Chinese Association for Science and Technology (CAST), was attended by about 200 people from all walks of life.
文摘 The 24 International Congress of Mathematicians (ICM2002) was held from August 20 to 28 in Beijing. About 4,200 mathematicians from more than 100 countries participated in the quadrennial meeting orga nized by the Chinese Mathematics Society (CMS) under the auspices of the International Mathematical Union (IMU). The Chinese Academy of Sciences was among the eight sponsors of the Congress. ……
文摘Prof. Zhang Jingzhong, a well-known Chinese mathematician, is now serving as the honorary director of the Chengdu Institute of Computer Application under the CAS and as an instructor for doctorate students.His outstanding attainments in the field of mathematics and computer science include his pioneering work of enriching theories and methods in mechanized demonstration,the concept of "educational mathematics" and his meritorious service as a prolific popular science writer. On December I.1936, Prof.Zhang was born in a teacher’s family in Runan County,Henan Province.After successfully passing an entrance examination in 1954,
文摘1685年法国国王路易十四派遣了第一批“国王数学家”前往中国,李明(Louis Lecomte)是五位到达北京的法国耶稣会士之一,并在1688年到达后受到康熙皇帝召见,中法两国间从此开启了近百年的早期文化交流。李明是十七世纪末最早深入中国各地考察、游历、传教,并对他所见所闻进行详尽分析描述的法国人。综观他笔下北京城的描述,我们不难发现,作者始终抱着强烈的好奇心,以亲眼探索北京城的姿态审视异国都城里能够看到的一切,他的描写宛若一幅康熙年间北京城写实的画面。李明对北京古老的历史,独特的建筑风格,以及繁荣的商业氛围等都做了比较客观的描述,这为“启蒙时代”的法国读者传递了比较翔实的信息。由于“礼仪之争”的原因,他只好奉命回到法国解释有关中国传教的情况,1696年他在巴黎出版了在中国期间给法国上层人士的十四封书信,取名为《中国近况新志》(Nouveaux mémoiressurl’étatprésentde la Chine)。尽管李明在中国停留的时间很短暂,但是回到法国后出版的十四封长信已经对中国社会进行了颇为详细的介绍,而且他分析的内容不但全面详细,而且不少内容是对当时中国和法国的情况进行的文化和历史的对比。本文着重研究李明关于北京城特点的分析和描述,特别是他对中、法城市区别的对比。李明对北京城的观察和分析为当今学者的北京历史研究提供了第一手真实的史料。
文摘Studies the stability for them manifold of equilibrium state of the autonomous Birkhoffsystem. Uses the Liapunov's direct method and the first approximation method to obtain thestability criterion for the manifold of equilibrium state of the system. Gives an example toillustrate the application of the result.
