Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Global Existence and Regularity Results for Large Cross Diffusion Models
  on Planar Domains   The global existence of classical solutions to cross diffusion systems of
more than 2 equations given on a planar domain is established. The results can
apply to generalized Shigesada-Kawasaki-Teramoto (SKT) and food pyramid models
whose diffusion and reaction can have polynomial growth of any order.

11
The categories of this paper are: hep-lat
12
The categories of this paper are: nucl-th
27
The categories of this paper are: comp-gas
23
The categories of this paper are: solv-int
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The categories of this paper are: funct-an
28
The categories of this paper are: alg-geom
3
The categories of this paper are: physics
30
The categories of this paper are: q-alg
15
The categories of this paper are: nucl-ex
37
The categories of this paper are: supr-con
31
The categories of this paper are: ao-sci
25
The categories of this paper are: patt-sol
10
The categories of this paper are: q-bio
17
The categories of this paper are: q-fin
34
The categories of this paper are: chem-ph
36
The categories of this paper are: cmp-lg