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20世纪70年代末,随着徐迟《哥德巴赫猜想》的发表,他和华罗庚、陈景润、王元、张广厚等中科院数学所一批杰出科学家的名字一起,几乎是一夜之间,在大江南北传开,成为一颗颗家喻户晓的“科技明星”;他与张广厚合作,在函数论研究中取得一系列重要成果,尤其是在国际上第一次提出和建立了值分布论中过去被认为彼此无关的两个基本概念间的联系及其定量表达,从而震动了世界数学界,评价它是“既新颖又深刻”,与哥德巴赫猜想研究一样是纯粹数学方面“第一流的工作”;1977年,他接到国际数学界热情洋溢的邀请函,经当时在京全体政治局委员的批阅通过,成为十年浩劫后第一个迈出国门的科学家,20多年来,他先后应邀赴美、苏、德、英、日、瑞士、新西兰等国的50多所著名大学讲学,多次出席国际学术会议,一直是国际上函数值分布论领域的学科带头人之一。他就是现任中国科学院数学与系统科学研究院院长——杨乐。
In the late 1970s, along with Xu Chi’s publication of “Goldbach Conjecture,” he and Hua Luogeng, Chen Jingrun, Wang Yuan and Zhang Guanghou, together with the names of a group of distinguished scientists from the Chinese Academy of Mathematics Sciences, almost overnight, Open, become a well-known “science and technology star”; he and Zhang Guanghou cooperation, in the study of function theory to achieve a series of important results, especially in the world for the first time proposed and established value distribution theory in the past is considered to be irrelevant to each other The two basic concepts of the relationship between the quantitative and expression, which shocked the world of mathematics, evaluation of it is “both new and profound,” and Goldbach conjecture research is purely mathematical “first-class work”; 1977 He received a warm invitation from the international mathematical community. After being approved by all the Politburo members in Beijing at that time, he became the first scientist to go abroad after a decade of catastrophe. For more than 20 years, he has been invited to go to the United States, More than 50 famous universities in Germany, Britain, Japan, Switzerland, New Zealand and other countries gave lectures and attended international conferences for many times. It has been one of the academic leaders in the field of functional value distribution in the world . He is currently the Dean of Mathematics and Systems Science Institute of Chinese Academy of Sciences - Yang Le.