Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Hedgehogs for neutral dissipative germs of holomorphic diffeomorphisms
  of $(\mathbb{C}^{2},0)$   We prove the existence of hedgehogs for germs of complex analytic
diffeomorphisms of $(\mathbb{C}^{2},0)$ 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 $(\mathbb{C},0)$ with a neutral
fixed point.

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The categories of this paper are: hep-lat
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The categories of this paper are: bayes-an
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The categories of this paper are: alg-geom
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The categories of this paper are: acc-phys
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The categories of this paper are: gr-qc
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The categories of this paper are: atom-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: chem-ph
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The categories of this paper are: math-ph
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The categories of this paper are: mtrl-th
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The categories of this paper are: hep-th
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The categories of this paper are: solv-int
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The categories of this paper are: nlin
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The categories of this paper are: ao-sci
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The categories of this paper are: astro-ph
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The categories of this paper are: quant-ph