- #1
HDB1
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- TL;DR Summary
- Cartan subalgebra
Please, How we can solve this:
$$
\mathfrak{h}=\mathbb{K} H \text { is a Cartan subalgebra of } \mathfrak{s l}_2 \text {. }
$$
it is abelian, but how we can prove it is self-normalizer, please:Dear @fresh_42 , if you could help,
![Face holding back tears :face_holding_back_tears: 🥹](https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f979.png)
$$
\mathfrak{h}=\mathbb{K} H \text { is a Cartan subalgebra of } \mathfrak{s l}_2 \text {. }
$$
it is abelian, but how we can prove it is self-normalizer, please:Dear @fresh_42 , if you could help,
![Heart :heart: :heart:](https://www.physicsforums.com/styles/physicsforums/xenforo/smilies/icons/heart.png)
![Face holding back tears :face_holding_back_tears: 🥹](https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f979.png)