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Partially hyperbolic sets from a co-dimension one bifurcation
We study the saddle-node bifurcation of a partially hyperbolic
fixed point in a Lipschitz family of $C^{k}$
diffeomorphisms on a Banach manifold (possibly infinite dimensional) in the
case that the fixed point is a saddle along hyperbolic directions and has multiple curves of homoclinic orbits. We show that this bifurcation
results in an invariant set which consists of a countable collection of closed
invariant curves and an uncountable collection of nonclosed
invariant curves which are the topological limits of the closed curves.
In addition, it is shown that these curves are $C^k$-smooth and that this
invariant set is uniformly partially
hyperbolic.