Here is my personal note of the book, Advanced Modern Algebra, written by Joseph J. Rotman. It's the second time I try to write a note concerning abstract algebra. Maybe this …

(这里收集了本人做过的一些比较巧妙的数学分析题目，争取做到每日一题。应该用不了多久就变成亿日一题了（笑） ...