Question

Necessary and sufficient condition for a periodic system to have a non-trivial periodic solution.

score 418 · Answer 1 · 2017-01-04 06:37:29

418

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Necessary and sufficient condition for a periodic system to have a non-trivial periodic solution.

Published on 04 Jan 2017 - 6:37

score 493 · Answer 2 · 2026-03-29 14:32:42

493

Views

How can I show $\limsup_n\frac{1}{n}\log(a_n+b_n)=\max\{\limsup_n\frac{1}{n}\log(a_n),\limsup_n\frac{1}{n}\log(b_n)\}$?

Published on 29 Mar 2026 - 14:32

score 462 · Answer 3 · 2026-03-31 07:12:21

462

Views

Deterministic vs Stochastic modeling

Published on 31 Mar 2026 - 7:12

score 420 · Answer 4 · 2026-03-28 20:07:41

420

Views

relating topological entropy and measure theoretical entropy

Published on 28 Mar 2026 - 20:07

score 38 · Answer 5 · 2026-04-10 17:47:42

38

Views

Every solution of some linear differential equation of order 2 is bounded

Published on 10 Apr 2026 - 17:47

score 399 · Answer 6 · 2026-04-10 20:48:47

399

Views

Normally Hyperbolic Invariant Manifolds: what are the splitting rates?

Published on 10 Apr 2026 - 20:48

score 117 · Answer 7 · 2026-03-25 15:32:20

117

Views

Identify $\sum\limits_{n=0}^\infty \left(x_n-L\right)$ where $x_{n+1}=\sqrt[3]{1+x_n}$ and $L^3=L+1$

Published on 25 Mar 2026 - 15:32

score 236 · Answer 8 · 2026-04-11 04:52:40

236

Views

Conditions for optimal control

Published on 11 Apr 2026 - 4:52

score 112 · Answer 9 · 2026-04-08 21:25:40

112

Views

Understanding Proof in Teschl (dynamical systems)

Published on 08 Apr 2026 - 21:25

score 494 · Answer 10 · 2026-04-11 14:56:21

494

Views

Stable and Unstable Subspaces under Diffeomorhpism (Hyperbolic dynamics)

Published on 11 Apr 2026 - 14:56

score 212 · Answer 11 · 2017-01-11 12:20:09

212

Views

Stretching and folding of the Lorenz attractor

Published on 11 Jan 2017 - 12:20

score 63 · Answer 12 · 2017-01-12 14:00:15

63

Views

What does $d f_x^n v^s$ mean?

Published on 12 Jan 2017 - 14:00

score 373 · Answer 13 · 2026-04-11 00:14:37

373

Views

A proof of Poincare Recurrence Theorem by Mean Ergodic Theorem.

Published on 11 Apr 2026 - 0:14

score 37 · Answer 14 · 2026-03-31 20:25:22

37

Views

Solution of a problem $ft=f*h$

Published on 31 Mar 2026 - 20:25

score 62 · Answer 15 · 2017-01-14 00:06:39

62

Views

Conjecture about $A(z) = \lim b^{[n]} ( c^{[n]} (z) ) $

Published on 14 Jan 2017 - 0:06

List Question

Necessary and sufficient condition for a periodic system to have a non-trivial periodic solution.

How can I show $\limsup_n\frac{1}{n}\log(a_n+b_n)=\max\{\limsup_n\frac{1}{n}\log(a_n),\limsup_n\frac{1}{n}\log(b_n)\}$?

Deterministic vs Stochastic modeling

relating topological entropy and measure theoretical entropy

Every solution of some linear differential equation of order 2 is bounded

Normally Hyperbolic Invariant Manifolds: what are the splitting rates?

Identify $\sum\limits_{n=0}^\infty \left(x_n-L\right)$ where $x_{n+1}=\sqrt[3]{1+x_n}$ and $L^3=L+1$

Conditions for optimal control

Understanding Proof in Teschl (dynamical systems)

Stable and Unstable Subspaces under Diffeomorhpism (Hyperbolic dynamics)

Stretching and folding of the Lorenz attractor

What does $d f_x^n v^s$ mean?

A proof of Poincare Recurrence Theorem by Mean Ergodic Theorem.

Solution of a problem $ft=f*h$

Conjecture about $A(z) = \lim b^{[n]} ( c^{[n]} (z) ) $

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