Question

Integral of the form $\int_\Omega |\mathbf{r}_1 - \mathbf{r}_2| \exp\left(-\frac{1}{2}(r_1^2+r_2^2)\right)\mathrm{d}\mathbf{r}_2$

score 118 · Answer 1 · 2026-04-15 10:10:25

118

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Integral of the form $\int_\Omega |\mathbf{r}_1 - \mathbf{r}_2| \exp\left(-\frac{1}{2}(r_1^2+r_2^2)\right)\mathrm{d}\mathbf{r}_2$

Published on 15 Apr 2026 - 10:10

score 152 · Answer 2 · 2026-04-15 08:08:55

152

Views

Algebric troubles while trying to get energy of orbit in isochrone (or plummer) potential

Published on 15 Apr 2026 - 8:08

score 116 · Answer 3 · 2026-04-12 06:39:38

116

Views

Divergence of a first Piola-Kirchoff stress appearing in elasticity

Published on 12 Apr 2026 - 6:39

score 33 · Answer 4 · 2026-04-16 05:49:51

33

Views

Form of line elements in curvilinear

Published on 16 Apr 2026 - 5:49

score 221 · Answer 5 · 2026-04-13 22:53:10

221

Views

Why the gamma factors $\Gamma_{k l}^{j}$ are zero in flat submanifold?

Published on 13 Apr 2026 - 22:53

score 60 · Answer 6 · 2026-04-13 23:19:55

60

Views

Prove that potential is non-decreasing for any spherically symmetric system

Published on 13 Apr 2026 - 23:19

score 80 · Answer 7 · 2026-04-16 08:25:14

80

Views

Find a differential equation for this problem

Published on 16 Apr 2026 - 8:25

score 74 · Answer 8 · 2026-04-12 04:51:40

74

Views

Is there a proof that no rational number splits the octave equally?

Published on 12 Apr 2026 - 4:51

score 406 · Answer 9 · 2026-04-16 03:23:53

406

Views

A detail in the proof of Schur's lemma: the closures of the $\ker$ and $\operatorname{img}$ of the intertwiner.

Published on 16 Apr 2026 - 3:23

score 26 · Answer 10 · 2026-04-16 02:15:52

26

Views

how to design a function to capture the boundary condition for $u(x=-1,t)=u(x=1,t)$ (for a PDE)?

Published on 16 Apr 2026 - 2:15

score 18 · Answer 11 · 2026-04-08 20:56:57

18

Views

Problems met in mastsubara frequency sum

Published on 08 Apr 2026 - 20:56

score 70 · Answer 12 · 2026-04-15 01:59:21

70

Views

Weight force or gravitational force?

Published on 15 Apr 2026 - 1:59

score 103 · Answer 13 · 2026-04-11 01:06:49

103

Views

Divergence of first Piola-Kirchoff stress tensor: how is it computed?

Published on 11 Apr 2026 - 1:06

score 61 · Answer 14 · 2026-04-11 09:04:28

61

Views

Understanding representation of Cauchy stress tensor for the simplest plane steady flow

Published on 11 Apr 2026 - 9:04

score 263 · Answer 15 · 2026-04-12 12:12:26

263

Views

Decomposition of representation that has multiple copies of isomorphic irreducible representations, of a finite group.

Published on 12 Apr 2026 - 12:12

List Question

Integral of the form $\int_\Omega |\mathbf{r}_1 - \mathbf{r}_2| \exp\left(-\frac{1}{2}(r_1^2+r_2^2)\right)\mathrm{d}\mathbf{r}_2$

Algebric troubles while trying to get energy of orbit in isochrone (or plummer) potential

Divergence of a first Piola-Kirchoff stress appearing in elasticity

Form of line elements in curvilinear

Why the gamma factors $\Gamma_{k l}^{j}$ are zero in flat submanifold?

Prove that potential is non-decreasing for any spherically symmetric system

Find a differential equation for this problem

Is there a proof that no rational number splits the octave equally?

A detail in the proof of Schur's lemma: the closures of the $\ker$ and $\operatorname{img}$ of the intertwiner.

how to design a function to capture the boundary condition for $u(x=-1,t)=u(x=1,t)$ (for a PDE)?

Problems met in mastsubara frequency sum

Weight force or gravitational force?

Divergence of first Piola-Kirchoff stress tensor: how is it computed?

Understanding representation of Cauchy stress tensor for the simplest plane steady flow

Decomposition of representation that has multiple copies of isomorphic irreducible representations, of a finite group.

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