二十世纪已经过去五分之四了,它留给人们一笔丰富的数学遗产。八十年的数学发展,其成就之大,速度之快、范围之广,远远超出人们的预料。文献典籍浩如烟海,想理出二十世纪数学发展的线索,实非一人所能胜任。笔者为了探寻若干历史经验,贸然问 Four-fifths of the twentieth century has passed, leaving people with a rich mathematical legacy. Eighty years of mathematical development, its achievements, fast, wide range, far beyond people’s expectations. Literary books voluminous, trying to figure out the clues to the development of mathematics in the 20th century, really can not do one. In order to explore a number of historical experience, I rashly ask