List questions from mathematical-physics

Published on 31 Mar 2026 - 20:27

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Geometric meaning of Berezin integration

Published on 27 Mar 2026 - 16:11

49

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Proving an equality with complex numbers

Published on 24 Sep 2015 - 20:28

1.4k

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Noether's theorem and lie groups. A question related to the meaning of a lie group.

Published on 25 Sep 2015 - 0:27

215

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How to add Displacement using the Component Method?

Published on 25 Sep 2015 - 0:29

1k

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Energy conservation for the wave equation

Published on 31 Mar 2026 - 5:41

1.3k

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Second fundamental form for surfaces (extrinsic curvature)

Published on 27 Mar 2026 - 3:49

189

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derivative of tensor

Published on 27 Sep 2015 - 23:02

59

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Hey, anyone who can help me with this calculus-problem?

Published on 30 Sep 2015 - 8:13

1.1k

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How to rigorously understand continuous bases?

Published on 31 Mar 2026 - 20:30

86

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I can't find any formula to solve this differential equation.

Published on 02 Oct 2015 - 20:41

43

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Boundary value problem $y''(x)= \kappa^2 \left(y(x) + \frac{y(x)^2}{2} \right)$

Published on 03 Oct 2015 - 0:43

139

Views

Work against friction is proportional to length of path

Published on 03 Oct 2015 - 4:48

522

Views

Is $\int |x\rangle \langle x|dx$ Mathematical?

Published on 03 Apr 2026 - 8:35

91

Views

How can I compute how many and which quartic invariants of a given group representation are linearly independent?

Published on 29 Mar 2026 - 7:40

List Question

How to verify the completeness of a given Hilbert space?

Geometric meaning of Berezin integration

Proving an equality with complex numbers

Noether's theorem and lie groups. A question related to the meaning of a lie group.

How to add Displacement using the Component Method?

Energy conservation for the wave equation

Second fundamental form for surfaces (extrinsic curvature)

derivative of tensor

Hey, anyone who can help me with this calculus-problem?

How to rigorously understand continuous bases?

I can't find any formula to solve this differential equation.

Boundary value problem $y''(x)= \kappa^2 \left(y(x) + \frac{y(x)^2}{2} \right)$

Work against friction is proportional to length of path

Is $\int |x\rangle \langle x|dx$ Mathematical?

How can I compute how many and which quartic invariants of a given group representation are linearly independent?

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