Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Black Holes and Galaxy Metamorphosis   Supermassive black holes can be seen as an agent of galaxy transformation. In
particular, a supermassive black hole can cause a triaxial galaxy to evolve
toward axisymmetry by inducing chaos in centrophilic orbit families. This is
one way in which a single supermassive black hole can induce large-scale
changes in the structure of its host galaxy -- changes on scales far larger
than the Schwarzschild radius ($O(10^{-5}) \rm{pc}$) and the radius of
influence of the black hole ($O(1)-O(100) \rm{pc}$). We will discuss the
transformative power of supermassive black holes in light of recent high
resolution N-body realizations of cuspy triaxial galaxies.

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The categories of this paper are: stat
26
The categories of this paper are: bayes-an
20
The categories of this paper are: acc-phys
34
The categories of this paper are: chem-ph
1
The categories of this paper are: cs
7
The categories of this paper are: hep-th
30
The categories of this paper are: q-alg
27
The categories of this paper are: comp-gas
35
The categories of this paper are: mtrl-th
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The categories of this paper are: solv-int
3
The categories of this paper are: physics
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The categories of this paper are: econ
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The categories of this paper are: adap-org
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The categories of this paper are: eess
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The categories of this paper are: nucl-th
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The categories of this paper are: dg-ga