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Published online by Cambridge University Press: 07 September 2021
Motivated by the definition of rigid centres for planar differential systems, we introduce the study of rigid centres on the center manifolds of differential systems on  $\mathbb {R}^{3}$. On the plane, these centres have been extensively studied and several interesting results have been obtained. We present results that characterize the rigid systems on
$\mathbb {R}^{3}$. On the plane, these centres have been extensively studied and several interesting results have been obtained. We present results that characterize the rigid systems on  $\mathbb {R}^{3}$ and solve the centre-focus problem for several families of rigid systems.
$\mathbb {R}^{3}$ and solve the centre-focus problem for several families of rigid systems.
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