List questions from mathematical-physics

Published on 14 Apr 2026 - 4:42

203

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How does differential equations in the space of operator valued functions work?

Published on 12 Apr 2026 - 3:51

487

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Wave equation: predicting geometric dispersion with group theory

Published on 10 Apr 2026 - 18:50

47

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How do you edit an expression on the right to accommodate the removal of a square root on the left.

Published on 12 Apr 2026 - 23:09

185

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Solution to two-dimensional PDE (wave/Klein-Gordon type equation)

Published on 13 Apr 2026 - 1:04

54

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Definition of Macdonald polynomial $P_\lambda^{\mathfrak{g}}$ associated to a Lie algebra $\mathfrak{g}$ (unlike $P_\lambda$)

Published on 14 Apr 2026 - 22:59

44

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Change of variables that diagonalizes metric components depending only on one variable

Published on 14 Apr 2026 - 21:40

35

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Please give examples of countably-infinite matrices that are Hermitian &/or invertible, & that correspond to operators commonly encountered in physics

Published on 25 Mar 2026 - 22:05

25

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Which conditions must fulfill a time-limited function (so of unlimited bandwidth) $f(t)$ to have a bounded maximum rate of change?

Published on 10 Apr 2026 - 23:56

269

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Understanding Lagrangian/Hamiltonian Mechanics

Published on 10 Apr 2026 - 20:48

1k

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Delta (Dirac) Sequence - $\delta [(x-a)(x-b)] = \frac{[\delta (x-a) + \delta (x-b)]}{|a-b|}$

Published on 14 Apr 2026 - 20:30

164

Views

Does Hausdorff measure have a physical meaning?

Published on 09 Apr 2026 - 11:17

48

Views

How do I find the maximum value of $e^{-x^2+x}\cos(x^3+4)\cdot(x^4)$?

Published on 15 Apr 2026 - 5:42

231

Views

Tensor product - Direct Sum equality for SU(2)

Published on 11 Apr 2026 - 1:38

65

Views

can someone just quickly explain the notation here, thank you

Published on 18 Apr 2026 - 11:42

List Question

Is my intuition of line integral or curl wrong?

How does differential equations in the space of operator valued functions work?

Wave equation: predicting geometric dispersion with group theory

How do you edit an expression on the right to accommodate the removal of a square root on the left.

Solution to two-dimensional PDE (wave/Klein-Gordon type equation)

Definition of Macdonald polynomial $P_\lambda^{\mathfrak{g}}$ associated to a Lie algebra $\mathfrak{g}$ (unlike $P_\lambda$)

Change of variables that diagonalizes metric components depending only on one variable

Please give examples of countably-infinite matrices that are Hermitian &/or invertible, & that correspond to operators commonly encountered in physics

Which conditions must fulfill a time-limited function (so of unlimited bandwidth) $f(t)$ to have a bounded maximum rate of change?

Understanding Lagrangian/Hamiltonian Mechanics

Delta (Dirac) Sequence - $\delta [(x-a)(x-b)] = \frac{[\delta (x-a) + \delta (x-b)]}{|a-b|}$

Does Hausdorff measure have a physical meaning?

How do I find the maximum value of $e^{-x^2+x}\cos(x^3+4)\cdot(x^4)$?

Tensor product - Direct Sum equality for SU(2)

can someone just quickly explain the notation here, thank you

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