谱写数学现代史的新篇章──记北京大学数学系讲师徐庆和先生本刊特约记者谢伯芳初次见到徐先生给我的印象是：中等个儿瘦瘦的，身着一套深灰色西装，四十开外的样子，朋友介绍说：“这是北大数学系的徐先生。”我们彼此点头示意。徐先生—一个标准的中国知识分子形象，走... Writing a new chapter in the modern history of mathematics ─ ─ Department of Mathematics, Peking University lecturer Mr. Xu Qinghe Special correspondent Xie Bo-fang first met Mr. Xu impression to me: a middle-thin, dressed in a dark gray suit, four Ten out of the way, a friend said: “This is Mr. Xu of Mathematics Department of Peking University.” We nodded to each other. Mr. Xu - a standard image of Chinese intellectuals, go ...