Tagged Questions

-2
votes
0answers
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Place in Europe where there are research groups with anti-de-Sitter geometry or minimal Lagrangian mappings [closed]

I am not sure whether this question is appropriate for this forum, but I am a mathematician with Ph.D. looking to apply to physics departments in Europe as a postdoctoral researcher where there are ...
4
votes
1answer
236 views

Differentiating inside an integral sign

I'm reading John Taylor's Classical Mechanics book and I'm at the part where he's deriving the Euler-Lagrange equation. Here is the part of the derivation that I didn't follow: I don't get how ...