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# contact point

Let $\phi$ be a planar dynamical system and $\gamma$ a curve. Then a *contact point* of the curve and the dynamical system occurs when the tangent vector of the curve is collinear to the vector of the dynamical system.
[KGA]

# References

- KGA Khovanskiĭ, A.G.: Fewnomials. American Mathematical Society, Providence, 1991.

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## Mathematics Subject Classification

34-00*no label found*34A99

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