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Curvature and stability
In Topological methods in hydrodynamics 1 mentioned that "The Riemannian curvature of a manifold has a profound impact on the behavior of geodesics on it. If the Riemannian curvature of a ...
- 111
6
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When can an autonomous system be written using a Hamiltonian?
If I have an autonomous series of differential equations
$$\tag{1} \frac{dx_i}{dt} ~=~ A_i(x_1,...,x_n)$$
with the condition that
$$\tag{2} \sum_{i=1}^n\frac{\partial A_i}{\partial x_i}~=~0$$
in all ...
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