Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Molecular dynamics and theory for the contact values of the radial
  distribution functions of hard-disk fluid mixtures   We report molecular dynamics results for the contact values of the radial
distribution functions of binary additive mixtures of hard disks. The
simulation data are compared with theoretical predictions from expressions
proposed by Jenkins and Mancini [J. Appl. Mech. \textbf{54}, 27 (1987)] and
Santos et al. [J. Chem. Phys. \textbf{117}, 5785 (2002)]. Both theories agree
quantitatively within a very small margin, which renders the former still a
very useful and simple tool to work with. The latter (higher-order and
self-consistent) theory provides a small qualitative correction for low
densities and is superior especially in the high-density domain.

25
The categories of this paper are: patt-sol
26
The categories of this paper are: bayes-an
13
The categories of this paper are: quant-ph
30
The categories of this paper are: q-alg
37
The categories of this paper are: supr-con
35
The categories of this paper are: mtrl-th
15
The categories of this paper are: nucl-ex
22
The categories of this paper are: chao-dyn
0
The categories of this paper are: hep-ph
2
The categories of this paper are: math
14
The categories of this paper are: math-ph
28
The categories of this paper are: alg-geom
6
The categories of this paper are: astro-ph
27
The categories of this paper are: comp-gas
12
The categories of this paper are: nucl-th
7
The categories of this paper are: hep-th