Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Complex dynamics in double-diffusive convection   The dynamics of a small Prandtl number binary mixture in a laterally heated
cavity is studied numerically. By combining temporal integration, steady state
solving and linear stability analysis of the full PDE equations, we have been
able to locate and characterize a codimension-three degenerate Takens-Bogdanov
point whose unfolding describes the dynamics of the system for a certain range
of Rayleigh numbers and separation ratios near S=-1.

29
The categories of this paper are: funct-an
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The categories of this paper are: acc-phys
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The categories of this paper are: atom-ph
8
The categories of this paper are: hep-ex
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The categories of this paper are: nucl-ex
14
The categories of this paper are: math-ph
27
The categories of this paper are: comp-gas
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The categories of this paper are: supr-con
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The categories of this paper are: eess
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The categories of this paper are: dg-ga
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The categories of this paper are: mtrl-th
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The categories of this paper are: plasm-ph
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The categories of this paper are: chao-dyn
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The categories of this paper are: q-fin
7
The categories of this paper are: hep-th
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The categories of this paper are: solv-int