Helmholtz operator fundamental solution
97237
(Fundamental) Solution of the Helmholtz equation
115707
Which form of Maxwell's equations is fundamental, in integral form or differential form?
29304
Surface integral of a scalar over a unit cube.
25164
Velocity-Dependent Potential and Helmholtz Identities
12924
How to derive Maxwell's equations from the electromagnetic Lagrangian?
109331
Evaluating Real and Imaginary parts in a dispersion equation via ContourPlot
95226
Laplace operator's interpretation
101786
Proving the Lorentz invariance of the Lorentz invariant phase space element
69491
Asymptotic expansion for Fresnel Integrals
74566
Electromagnetic Tensor in Cylindrical Coordinates
62692
Retrieving Maxwell's equations from the minimum action principle
133044
Intuitive explanation of the difference between waves in odd and even dimensions
83824
Are energy and momentum separable for EM waves
36574
Does separation of variables in PDEs give a general solution?
150081
Deriving Lagrangian density for electromagnetic field
159017
Bohr-Sommerfeld quantization condition from the WKB approximation
60514
Isometric  Left Inverse Adjoint