Bonatti–Díaz local heterodimensional-cycle conjecture

Let MM be a compact smooth manifold without boundary, and let Diff1(M)\operatorname{Diff}^1(M) be the space of C1C^1 diffeomorphisms of MM. A heterodimensional cycle is a pair of hyperbolic periodic orbits with different indices linked by heteroclinic orbits. For a periodic point pp and a nearby diffeomorphism gg, write pgp_g for the continuation of pp. Bonatti–Díaz's conjecture. For any generic fDiff1(M)f\in\operatorname{Diff}^1(M), if a homoclinic class H(p)H(p) is not hyperbolic, then arbitrarily C1C^1-close to ff, there is a diffeomorphism gg that exhibits a heterodimensional cycle associated to pgp_g, where pgp_g is the continuation of pp. This is presented as a local version, for homoclinic classes, of the generalized Palis conjecture; the source does not state that it has been resolved.

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Primary source

Cheng Cheng, Sylvain Crovisier, Shaobo Gan, Xiaodong Wang and Dawei Yang, “Hyperbolicity versus non-hyperbolic ergodic measures inside homoclinic classes”, arXiv:1507.08253 (2015).

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