Bifurcation from heteroclinic orbits with semi-hyperbolic equilibria |
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Authors: | Flaviano Battelli |
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Institution: | (1) Present address: Istituto di Biomatematica, Université, Via Saffi 1, 1-61029 Urbino, Italy |
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Abstract: | Summary We study the problem of bifurcation from a heteroclinic orbit joining two semi-hyperbolic equilibrium points E1 and E2. We show that, if certain non-degeneracy assumptions are satisfied, E1 and E2 split into two equilibria Eij, i,j= 1,2, and there are Melnikov-type conditions assuring the existence of a heteroclinic orbit from E1i to E2j, i,j=1,2 along directions that are tangent to the strongly-unstable (resp. strongly-stable) manifold of E1j (resp. E2j.Work performed under the auspicies of GNFM-CNR and within the activity of the group «Equazioni differenziali ordinarie e applicazioni»-MURST (Italy). |
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