3

Questions

1
6
votes
3
answers
428
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Applications of Hodge-de Rham Laplacian on p-forms ($p\neq 0,n$) in physics or engineering

oct 15 at 0:28 Hans 24826

3
1
vote
0
answers
239
views

Geometric derivation of the Einstein’s field equation from the Hilbert action.

sep 10 at 21:33 Lizao Li 26128

3
6
votes
1
answer
318
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Coordinate-free derivation of the Einstein’s field equation from the Hilbert action.

sep 10 at 9:04 Thomas Richard 1,4521411