In this post we discuss the closed subgroups of \(\mathbb{R}^n\). This topic was covered in my Lie groups and Lie algebras course and I thought it to be interesting. The following notes are part of the lecture notes. This particular part donot contain any references, so please feel free to contact me regarding addition of any references and/or suggestions. I donot claim the following work to be mine.

Closed subgroups of \(\mathbb{R}^n\)

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