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15
Math.TechQA.Club
2026-03-24 23:21:11
176
Views
Find the positively invariant annulus
Published on
24 Mar 2026 - 23:21
#ordinary-differential-equations
#dynamical-systems
#set-invariance
225
Views
Limit set of a non-autonomous system is not invariant
Published on
23 Feb 2026 - 5:01
#ordinary-differential-equations
#dynamical-systems
#nonlinear-system
#set-invariance
694
Views
Show that the annulus $1 \leq x^2 + y^2 \leq 3$ is positively invariant
Published on
24 Mar 2026 - 20:29
#ordinary-differential-equations
#dynamical-systems
#self-learning
#invariance
#set-invariance
142
Views
For which values of $\alpha$ is the disk $B = \{(x, y) \mid x^2+y^2 \leq 1\}$ positively invariant?
Published on
23 Feb 2026 - 5:02
#ordinary-differential-equations
#derivatives
#dynamical-systems
#set-invariance
166
Views
Closed positively invariant subset is a subset of a basin in an autonomous ODE
Published on
23 Feb 2026 - 5:04
#ordinary-differential-equations
#stability-theory
#set-invariance
54
Views
When does the trajectory lie in the positive orthant?
Published on
24 Mar 2026 - 19:23
#ordinary-differential-equations
#set-invariance
264
Views
The level sets of integral are invariant sets (Wiggins' textbook)
Published on
23 Feb 2026 - 5:00
#dynamical-systems
#nonlinear-system
#nonlinear-dynamics
#set-invariance
224
Views
Nexus between connectedness of invariant set and stability of dynamical system
Published on
23 Feb 2026 - 5:02
#general-topology
#ordinary-differential-equations
#dynamical-systems
#stability-in-odes
#set-invariance
459
Views
Looking for a proof of LaSalle's invariance principle for a dynamical system on a manifold.
Published on
23 Jan 2020 - 0:41
#manifolds
#dynamical-systems
#smooth-manifolds
#stability-theory
#set-invariance
198
Views
Positively invariant set with ODE undefined on part of boundary
Published on
16 May 2020 - 21:25
#ordinary-differential-equations
#dynamical-systems
#set-invariance
94
Views
Show without solving the ODE that an equality is an invariant after initial condition
Published on
21 May 2020 - 18:02
#ordinary-differential-equations
#dynamical-systems
#set-invariance
175
Views
Intersection between invariant curves for a map that coming from an autonomus vector field.
Published on
18 Mar 2026 - 20:32
#ordinary-differential-equations
#dynamical-systems
#invariant-subspace
#set-invariance
460
Views
How to prove that a set is invariant?
Published on
31 Jul 2020 - 10:05
#ordinary-differential-equations
#dynamical-systems
#set-invariance
109
Views
Finding a compact and positively invariant set
Published on
22 Apr 2023 - 12:30
#dynamical-systems
#polar-coordinates
#set-invariance
70
Views
If $\omega_+(x)\cap\omega_-(x)$ contains a regular point, then $x$ is periodic
Published on
12 May 2023 - 4:52
#ordinary-differential-equations
#dynamical-systems
#set-invariance
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