List questions from mathematical-physics

Published on 29 May 2020 - 17:24

30

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Nonlinear vector calculus problem

Published on 29 Mar 2026 - 17:52

107

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Functional Derivative with Difficult Chain Rule

Published on 23 Feb 2026 - 10:14

220

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Angular integrals used in QED

Published on 30 May 2020 - 17:55

41

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If $V^{\mu}$ is a killing vector, then is $∇_μ V^{\mu} = 0$?

Published on 26 Mar 2026 - 3:00

55

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Computing a trace containing $\gamma$-matrices

Published on 28 Mar 2026 - 22:06

147

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Why does the trace show up in such expressions?

Published on 28 Mar 2026 - 22:08

67

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Differentiating a "function-valued" function.

Published on 31 May 2020 - 18:22

296

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A new type of manifold, is such a construction interesting? Is it relevant for the Euler-Lagrange equations

Published on 26 Mar 2026 - 20:40

224

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'Taylor Expansion' of Integral - Asymptotic expansion - Exponential function

Published on 26 Mar 2026 - 14:42

210

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Function satisfying $f(v,w) = f(Uv,Uw)$ for any vectors $v,w$ and unitary $U$

Published on 01 Jun 2020 - 18:28

55

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Proving an equation built up out of Dirac-$\gamma$ matrices

Published on 25 Mar 2026 - 14:22

121

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Mathematical astrophysics subjects for math graduate students

Published on 25 Mar 2026 - 7:43

162

Views

Angular Momentum Balance in Fluid Mechanics

Published on 27 Mar 2026 - 19:31

33

Views

Proving Lorentz Transformation identities

Published on 06 Jun 2020 - 8:35

List Question

What is the volume of a hollow spherical shell?

Nonlinear vector calculus problem

Functional Derivative with Difficult Chain Rule

Angular integrals used in QED

If $V^{\mu}$ is a killing vector, then is $∇_μ V^{\mu} = 0$?

Computing a trace containing $\gamma$-matrices

Why does the trace show up in such expressions?

Differentiating a "function-valued" function.

A new type of manifold, is such a construction interesting? Is it relevant for the Euler-Lagrange equations

'Taylor Expansion' of Integral - Asymptotic expansion - Exponential function

Function satisfying $f(v,w) = f(Uv,Uw)$ for any vectors $v,w$ and unitary $U$

Proving an equation built up out of Dirac-$\gamma$ matrices

Mathematical astrophysics subjects for math graduate students

Angular Momentum Balance in Fluid Mechanics

Proving Lorentz Transformation identities

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