List questions from mathematical-physics

Published on 23 May 2023 - 11:34

87

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Wigner matrices: Which vectors are simultaneous eigen-bases of $J^2$ and $J_z$?

Published on 30 Mar 2026 - 9:38

40

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Determinable randomness, indeterminable certainty?

Published on 30 Mar 2026 - 9:34

51

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Best publisher for books intended for graduate students

Published on 29 May 2023 - 11:49

76

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Does the Wave Equation (and other PDEs) define an ODE if I took the behavior in 1D of just one point in space? How I find the ODE from the PDE eqn.?

Published on 30 Mar 2026 - 2:08

73

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Mathematical methods in physics

Published on 30 May 2023 - 7:40

25

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Analytic solution to a definite integral of a magnetic field vector equation

Published on 25 Mar 2026 - 20:15

176

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Properties of the flow and exponential of a vector field?

Published on 02 Apr 2026 - 11:37

39

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$\vec x''=-\begin{bmatrix}\cos\theta\\2\sin\theta\end{bmatrix}/r^2$

Published on 02 Jun 2023 - 10:48

76

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Need to find a value of $\alpha$ for which some integral is negative

Published on 30 Mar 2026 - 9:41

348

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In which cases the subscript is a "0" (zero) and an "o" (letter o)?

Published on 25 Mar 2026 - 23:36

34

Views

Error in linear interpolation of $n$-dimensional curves

Published on 04 Jun 2023 - 12:54

88

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Solving real life problem of gravity using Laplace's equation in polar coordinates

Published on 27 Mar 2026 - 1:46

101

Views

Justification of bra ket notation for operators

Published on 26 Mar 2026 - 1:09

76

Views

Deriving Kepler's laws without the cross product

Published on 15 Jun 2023 - 1:19

List Question

Why is the derivative of the capacitance of a capacitor not 0?

Wigner matrices: Which vectors are simultaneous eigen-bases of $J^2$ and $J_z$?

Determinable randomness, indeterminable certainty?

Best publisher for books intended for graduate students

Does the Wave Equation (and other PDEs) define an ODE if I took the behavior in 1D of just one point in space? How I find the ODE from the PDE eqn.?

Mathematical methods in physics

Analytic solution to a definite integral of a magnetic field vector equation

Properties of the flow and exponential of a vector field?

$\vec x''=-\begin{bmatrix}\cos\theta\\2\sin\theta\end{bmatrix}/r^2$

Need to find a value of $\alpha$ for which some integral is negative

In which cases the subscript is a "0" (zero) and an "o" (letter o)?

Error in linear interpolation of $n$-dimensional curves

Solving real life problem of gravity using Laplace's equation in polar coordinates

Justification of bra ket notation for operators

Deriving Kepler's laws without the cross product

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