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Tag: Semigroup

abstract algebra

Abstract algebra 2: Introduction to Semigroup

September 14, 2017May 11, 2018 - by zyymat - Leave a Comment

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.

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