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Results tagged with hyperbolic-pde
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user 134299
Questions about partial differential equations of hyperbolic type. Often used in combination with the top-level tag ap.analysis-of-pdes.
6
votes
Does there exist an electromagnetic analogue of Einstein's field equations?
There is a profound conceptual shift between Gravitoelectromagnetism and General Relativity that cannot analogously occur between Maxwell's equations and any "???".
In General Relativity, there is not …
- 6,696
5
votes
About Dirac function
Your notion and the equality in the book are consistent, since
$$
\delta (a^2 t^2 - |x|^2 ) = \frac{1}{2|at|} (\delta (at-|x|) + \delta (at+|x|) )
$$
(I suppose an assumption is being made that $at>0$ …
- 6,696