Hedgehogs for neutral dissipative germs of holomorphic diffeomorphisms of (C2,0)
Abstract
We prove the existence of hedgehogs for germs of complex analytic diffeomorphisms of (C2,0) with a semi-neutral fixed point at the origin, using topological techniques. This approach also provides an alternative proof of a theorem of P\'erez-Marco on the existence of hedgehogs for germs of univalent holomorphic maps of (C,0) with a neutral fixed point.
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