本书包含超过两个学期的研究生水平的抽象代数课程所需的足够的材料,代数数论的介绍,和代数几何的基本知识。本书适合对代数感兴趣的研究生和数学研究人员阅读参考。This book,based on a firstyear graduate course the author taught at the University of Wisconsin, contains more than enough material for a twosemester graduatelevel abstract al