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Cotangent lift of the embedding is zero

score 74 · Answer 1 · 2026-02-23 08:39:33

74

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Cotangent lift of the embedding is zero

Published on 23 Feb 2026 - 8:39

score 52 · Answer 2 · 2026-03-27 21:17:49

52

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von Neumann entropy in a reduced state space

Published on 27 Mar 2026 - 21:17

score 12 · Answer 3 · 2026-02-27 10:45:25

12

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density matrix to density upon coordinate change

Published on 27 Feb 2026 - 10:45

score 253 · Answer 4 · 2023-10-19 14:57:24

253

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How to solve the integral $\int_0^\pi\ln(\sin(\theta))\sin(\theta)d\theta$?

Published on 19 Oct 2023 - 14:57

score 79 · Answer 5 · 2026-03-26 02:54:43

79

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Verification: Eigenfunction expansion using products of bessel and spherical harmonics

Published on 26 Mar 2026 - 2:54

score 61 · Answer 6 · 2026-03-25 21:49:42

61

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Calculate Electric Field on the Z-axis from a finite charge wire

Published on 25 Mar 2026 - 21:49

score 57 · Answer 7 · 2026-04-01 22:41:47

57

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I am trying to find the time for different paths for a traversing ball between two points under the influence of gravity? But, I am getting infinity?

Published on 01 Apr 2026 - 22:41

score 74 · Answer 8 · 2026-02-23 12:37:02

74

Views

On Schoen and Yau's proof of the positive mass theorem: extracting a minimal surface in the limit

Published on 23 Feb 2026 - 12:37

score 24 · Answer 9 · 2026-03-26 12:40:29

24

Views

How to know if a set of equations are Lorentz Invariant Spinors

Published on 26 Mar 2026 - 12:40

score 84 · Answer 10 · 2026-04-01 04:41:28

84

Views

System of nonlinear first-order PDEs

Published on 01 Apr 2026 - 4:41

score 31 · Answer 11 · 2023-10-25 21:22:08

31

Views

Optimization problem involving discrete and continuous variables

Published on 25 Oct 2023 - 21:22

score 27 · Answer 12 · 2026-03-26 21:34:53

27

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The algebra $\Gamma^\infty(\mathbb{C}l(M))$ is generated by $\Omega^1(M)$

Published on 26 Mar 2026 - 21:34

score 391 · Answer 13 · 2026-03-25 19:10:26

391

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Show that the real K-G equation, $(\Box + m^2)\phi=0$ is the EOM for the action $S=\frac12\int d^4x(\partial^\mu{\phi}\partial_\mu{\phi}-m^2\phi^2)$

Published on 25 Mar 2026 - 19:10

score 42 · Answer 14 · 2026-03-25 21:46:25

42

Views

Analytically solving PDEs on irregular domains in Physics

Published on 25 Mar 2026 - 21:46

score 17 · Answer 15 · 2026-03-13 20:13:34

17

Views

What would be the new Equation of motion if the magnetic field's origin is shifted from the origin of a co-rotating spherical polar coordinates?

Published on 13 Mar 2026 - 20:13

List Question

Cotangent lift of the embedding is zero

von Neumann entropy in a reduced state space

density matrix to density upon coordinate change

How to solve the integral $\int_0^\pi\ln(\sin(\theta))\sin(\theta)d\theta$?

Verification: Eigenfunction expansion using products of bessel and spherical harmonics

Calculate Electric Field on the Z-axis from a finite charge wire

I am trying to find the time for different paths for a traversing ball between two points under the influence of gravity? But, I am getting infinity?

On Schoen and Yau's proof of the positive mass theorem: extracting a minimal surface in the limit

How to know if a set of equations are Lorentz Invariant Spinors

System of nonlinear first-order PDEs

Optimization problem involving discrete and continuous variables

The algebra $\Gamma^\infty(\mathbb{C}l(M))$ is generated by $\Omega^1(M)$

Show that the real K-G equation, $(\Box + m^2)\phi=0$ is the EOM for the action $S=\frac12\int d^4x(\partial^\mu{\phi}\partial_\mu{\phi}-m^2\phi^2)$

Analytically solving PDEs on irregular domains in Physics

What would be the new Equation of motion if the magnetic field's origin is shifted from the origin of a co-rotating spherical polar coordinates?

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