- #1
symplectic
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Hi
In the ADM formalsim, we need at some point to see the normal vector (to the 3D surfaces) as a 1-form.
How can we (simply) see that? (Please no Frobenius theorem, otherwise, with more explanation about this theorem)
No idea!
Homework Statement
In the ADM formalsim, we need at some point to see the normal vector (to the 3D surfaces) as a 1-form.
Homework Equations
How can we (simply) see that? (Please no Frobenius theorem, otherwise, with more explanation about this theorem)
The Attempt at a Solution
No idea!
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