Abstract algebra 2: Introduction to Semigroup abstract algebra Add comments Sep 142017 本科的代数对半群(Semigroup)至多只是介绍了这个概念, 没有更多深入. 其实, 半群还是蛮重要的, 在偏微分方程组(Partial differential equation)有许多应用. Leave a Reply Cancel reply Your Comment Name (required) E-mail (required) URI Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.