Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Holomorphically Covariant Matrix Models   We present a method to construct matrix models on arbitrary simply connected
oriented real two dimensional Riemannian manifolds. The actions and the path
integral measure are invariant under holomorphic transformations of matrix
coordinates.

6
The categories of this paper are: astro-ph
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The categories of this paper are: patt-sol
13
The categories of this paper are: quant-ph
28
The categories of this paper are: alg-geom
35
The categories of this paper are: mtrl-th
3
The categories of this paper are: physics
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The categories of this paper are: dg-ga
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The categories of this paper are: acc-phys
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The categories of this paper are: nucl-ex
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The categories of this paper are: funct-an
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The categories of this paper are: ao-sci
32
The categories of this paper are: atom-ph
23
The categories of this paper are: solv-int
16
The categories of this paper are: stat
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The categories of this paper are: comp-gas
5
The categories of this paper are: gr-qc