Question

The differential equation $\dot{\mathbf{x}}(t)=M(t)\mathbf{x}(t)$, conditions for a specific type of matrix $M$ to commute at different times

score 113 · Answer 1 · 2023-02-20 15:29:50

113

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The differential equation $\dot{\mathbf{x}}(t)=M(t)\mathbf{x}(t)$, conditions for a specific type of matrix $M$ to commute at different times

Published on 20 Feb 2023 - 15:29

score 175 · Answer 2 · 2026-04-02 16:54:47

175

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Closed and exact forms, and functions $f : \mathbb{R}^2 \setminus \{ 0 \} \to S^1$

Published on 02 Apr 2026 - 16:54

score 159 · Answer 3 · 2026-02-23 12:06:17

159

Views

Finding equation of motion for given Lagrangian with respect to metric

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score 98 · Answer 4 · 2026-03-25 08:09:19

98

Views

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score 58 · Answer 5 · 2023-02-25 03:33:02

58

Views

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Published on 25 Feb 2023 - 3:33

score 117 · Answer 6 · 2026-03-27 16:47:19

117

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Why is $\infty$ always a singularity of a differential equation?

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score 97 · Answer 7 · 2023-02-26 07:30:39

97

Views

Approximation scheme for potentials in Schrodinger Equation- A Request

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score 112 · Answer 8 · 2026-03-25 17:24:27

112

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score 58 · Answer 9 · 2026-04-02 20:51:54

58

Views

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score 41 · Answer 10 · 2023-03-02 14:53:11

41

Views

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score 100 · Answer 11 · 2026-03-26 19:17:03

100

Views

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score 333 · Answer 12 · 2023-03-04 23:56:00

333

Views

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score 288 · Answer 13 · 2023-03-09 18:39:33

288

Views

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score 94 · Answer 14 · 2026-03-25 19:09:58

94

Views

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Published on 25 Mar 2026 - 19:09

score 117 · Answer 15 · 2026-03-29 21:49:33

117

Views

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List Question

The differential equation $\dot{\mathbf{x}}(t)=M(t)\mathbf{x}(t)$, conditions for a specific type of matrix $M$ to commute at different times

Closed and exact forms, and functions $f : \mathbb{R}^2 \setminus \{ 0 \} \to S^1$

Finding equation of motion for given Lagrangian with respect to metric

Do Kepler's laws (really) solve the Kepler problem? And should the terms of the central force problem be treated as dependent variables?

Name for the representation on function space induced by a group action on the domain

Why is $\infty$ always a singularity of a differential equation?

Approximation scheme for potentials in Schrodinger Equation- A Request

Inequalities for Extensions of Unbounded Operators

Why is relative entropy negative in this computation?

Reference request: well-posedness of nonlinear Schrödinger and relativistic Schrödinger equations?

Compactly supported sections of a vector bundle form a cosheaf

Why is angular velocity in the $z$-direction?

Calculate distance travelled by particle with positive velocity and negative acceleration in fixed time

Jones polynomial of a knot in terms of its Seifert matrix

Sand pile - container problem

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