Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Tilings of the Sphere by Congruent Pentagons II: Edge Combination
  $a^3b^2$   There are fifteen edge-to-edge tilings of the sphere by congruent pentagons
with the edge combination $a^3b^2$: five one-parameter families of pentagonal
subdivision tilings, and ten flip modifications of three special cases of two
pentagonal subdivision tilings.

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The categories of this paper are: q-fin
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The categories of this paper are: chao-dyn
1
The categories of this paper are: cs
35
The categories of this paper are: mtrl-th
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The categories of this paper are: solv-int
37
The categories of this paper are: supr-con
3
The categories of this paper are: physics
28
The categories of this paper are: alg-geom
4
The categories of this paper are: cond-mat
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The categories of this paper are: ao-sci
6
The categories of this paper are: astro-ph
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The categories of this paper are: stat
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The categories of this paper are: eess
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The categories of this paper are: funct-an
10
The categories of this paper are: q-bio
7
The categories of this paper are: hep-th