List questions from mathematical-physics

Published on 25 Mar 2026 - 18:52

304

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Are two correlated vectors in high dimension orthogonal?

Published on 05 Mar 2020 - 20:22

48

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What kind of Eigenvalue Problem is this?

Published on 27 Mar 2026 - 19:30

25

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Exponentially decayed weight lattice path

Published on 26 Mar 2026 - 16:02

73

Views

Reference request for unbounded linear operators

Published on 25 Mar 2026 - 12:12

48

Views

Lifting class structures from a lorentzian manifold $\Bbb R^{1,1}$ to $\Bbb R^{1,2}$

Published on 25 Mar 2026 - 18:55

257

Views

Integral representation of the inverse distance

Published on 27 Mar 2026 - 1:46

3.4k

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Definition of direction of a 3D vector

Published on 13 Mar 2020 - 15:05

45

Views

Is it possible to determine whether a general stiffness tensor is actually orthotropic under a change of basis?

Published on 28 Mar 2026 - 0:30

4.9k

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What is the inverse of the divergence operator?

Published on 14 Mar 2020 - 17:26

65

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Complex vectors in Hilbert space, or, how much is 0.707^2 + (0.707i)^2?

Published on 14 Mar 2020 - 17:27

526

Views

How is the Feynman path integral a sum over paths, and not a product over paths

Published on 23 Feb 2026 - 8:32

185

Views

Acceleration & the non-uniqueness of the unit normal vector to a curve at a point

Published on 26 Mar 2026 - 6:21

200

Views

Stone's theorem on one-parameter unitary groups and new self-adjoint operators

Published on 17 Mar 2020 - 12:36

75

Views

Reed and Simon's remark about interacting fields

Published on 19 Mar 2020 - 12:01

List Question

Mathematical Relativity - Topics

Are two correlated vectors in high dimension orthogonal?

What kind of Eigenvalue Problem is this?

Exponentially decayed weight lattice path

Reference request for unbounded linear operators

Lifting class structures from a lorentzian manifold $\Bbb R^{1,1}$ to $\Bbb R^{1,2}$

Integral representation of the inverse distance

Definition of direction of a 3D vector

Is it possible to determine whether a general stiffness tensor is actually orthotropic under a change of basis?

What is the inverse of the divergence operator?

Complex vectors in Hilbert space, or, how much is 0.707^2 + (0.707i)^2?

How is the Feynman path integral a sum over paths, and not a product over paths

Acceleration & the non-uniqueness of the unit normal vector to a curve at a point

Stone's theorem on one-parameter unitary groups and new self-adjoint operators

Reed and Simon's remark about interacting fields

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