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20082022
most citedLimit Cycles Bifurcating from a Periodic Annulus in Discontinuous Planar Piecewise Linear Hamiltonian differential System with Three Zones

8 citations · 14 across the 12 of their papers we have counts for

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math.DS2009

On the centers of the weight-homogeneous polynomial vector fields on the plane

Jaume Llibre, Claudio Pessoa

We classify all the centers of a planar weight-homogeneous polynomial vector field of weight degree 1, 2, 3 and 4.