Question

Does time-reversal turn the stable manifold of an equilibrium into unstable manifold?

score 41 · Answer 1 · 2026-03-28 05:23:28

41

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Does time-reversal turn the stable manifold of an equilibrium into unstable manifold?

Published on 28 Mar 2026 - 5:23

score 1.9k · Answer 2 · 2026-04-10 23:28:43

1.9k

Views

Manifold and derivative: change of coordinate.

Published on 10 Apr 2026 - 23:28

score 54 · Answer 3 · 2026-04-13 20:52:29

54

Views

Esitimate for boundary points and exterior normal from Jost's Partial Differential Equation 3rd edition

Published on 13 Apr 2026 - 20:52

score 909 · Answer 4 · 2026-04-16 11:32:28

909

Views

Mod p cohomology ring of real projective space

Published on 16 Apr 2026 - 11:32

score 836 · Answer 5 · 2026-04-15 10:22:21

836

Views

Correct definition of gradient (and divergence) on smooth manifolds (for engineers)

Published on 15 Apr 2026 - 10:22

score 2k · Answer 6 · 2026-04-25 13:09:40

2k

Views

Is the tangent bundle of $S^2 \times S^1$ trivial or not?

Published on 25 Apr 2026 - 13:09

score 114 · Answer 7 · 2026-04-15 09:34:31

114

Views

Prove that $T_pM^*=\mathfrak m_p/\mathfrak m_p^2$.

Published on 15 Apr 2026 - 9:34

score 33 · Answer 8 · 2026-04-13 00:58:45

33

Views

Why the function $f$ is $\mathcal C^\infty (M)$?

Published on 13 Apr 2026 - 0:58

score 170 · Answer 9 · 2026-04-11 20:12:57

170

Views

Positive reach..

Published on 11 Apr 2026 - 20:12

score 2.4k · Answer 10 · 2026-04-29 20:19:06

2.4k

Views

Introductory book on differential geometry for engineering major

Published on 29 Apr 2026 - 20:19

score 757 · Answer 11 · 2026-04-10 08:15:31

757

Views

Does every smooth manifold admit a smooth $\Delta$-complex structure?

Published on 10 Apr 2026 - 8:15

score 345 · Answer 12 · 2026-04-25 13:07:36

345

Views

Constructing a vector bundle built out of kernels of the Jacobian?

Published on 25 Apr 2026 - 13:07

score 320 · Answer 13 · 2026-04-25 13:04:10

320

Views

Unique factorization of manifolds?

Published on 25 Apr 2026 - 13:04

score 143 · Answer 14 · 2026-04-25 13:10:42

143

Views

If $M$ is Riemannian, then $\kappa_f \oplus f^*TN \cong TM$, where $\kappa_f$ is built out of kernels of the $Df_x$?

Published on 25 Apr 2026 - 13:10

score 295 · Answer 15 · 2026-04-12 06:31:41

295

Views

Optimization on manifold via Lagrange multipliers

Published on 12 Apr 2026 - 6:31

List Question

Does time-reversal turn the stable manifold of an equilibrium into unstable manifold?

Manifold and derivative: change of coordinate.

Esitimate for boundary points and exterior normal from Jost's Partial Differential Equation 3rd edition

Mod p cohomology ring of real projective space

Correct definition of gradient (and divergence) on smooth manifolds (for engineers)

Is the tangent bundle of $S^2 \times S^1$ trivial or not?

Prove that $T_pM^*=\mathfrak m_p/\mathfrak m_p^2$.

Why the function $f$ is $\mathcal C^\infty (M)$?

Positive reach..

Introductory book on differential geometry for engineering major

Does every smooth manifold admit a smooth $\Delta$-complex structure?

Constructing a vector bundle built out of kernels of the Jacobian?

Unique factorization of manifolds?

If $M$ is Riemannian, then $\kappa_f \oplus f^*TN \cong TM$, where $\kappa_f$ is built out of kernels of the $Df_x$?

Optimization on manifold via Lagrange multipliers

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