vault backup: 2024-11-18 13:30:02
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@ -1,7 +1,7 @@
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Lorenz system is dissapative. This means:
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- Volume in phase space contracts with flow?
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This introduces some questions... How do volumes evolve?
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n
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Suppose a surface $S(t)$ encloses volume $V(t)$, with normal vectors pointing away from the surface ($\vec{n}$).
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A trajectory starts on S. let them evolve for $dt$. With a flux vector $\vec{f}$, we have
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@ -18,4 +18,4 @@ Limiting set will consist of
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- fixed points
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- limit cycles
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- strong attractors
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Proving which type something will end up on
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Proving which type something will end up on is much harder. But, repellers will always result in a positive $\dot V$.
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