- #1

- 640

- 153

- TL;DR Summary
- I am having trouble to understand the print below.

I see that the first four equations are definitions. The problem is about the dimensions of the quotient.

Why does the set Kx forms a six dimensional Lie algebra?

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- I
- Thread starter LCSphysicist
- Start date

- #1

- 640

- 153

- TL;DR Summary
- I am having trouble to understand the print below.

I see that the first four equations are definitions. The problem is about the dimensions of the quotient.

Why does the set Kx forms a six dimensional Lie algebra?

- #2

Science Advisor

Gold Member

- 1,009

- 585

The quotient is naturally a Lie algebra since ##t^4## is an ideal (by the last two commutation relations).

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