Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: From Finance to Cosmology: The Copula of Large-Scale Structure   Any multivariate distribution can be uniquely decomposed into marginal
(1-point) distributions, and a function called the copula, which contains all
of the information on correlations between the distributions. The copula
provides an important new methodology for analyzing the density field in
large-scale structure. We derive the empirical 2-point copula for the evolved
dark matter density field. We find that this empirical copula is
well-approximated by a Gaussian copula. We consider the possibility that the
full n-point copula is also Gaussian and describe some of the consequences of
this hypothesis. Future directions for investigation are discussed.

7
The categories of this paper are: hep-th
1
The categories of this paper are: cs
12
The categories of this paper are: nucl-th
11
The categories of this paper are: hep-lat
18
The categories of this paper are: econ
2
The categories of this paper are: math
36
The categories of this paper are: cmp-lg
24
The categories of this paper are: dg-ga
22
The categories of this paper are: chao-dyn
37
The categories of this paper are: supr-con
14
The categories of this paper are: math-ph
29
The categories of this paper are: funct-an
26
The categories of this paper are: bayes-an
10
The categories of this paper are: q-bio
8
The categories of this paper are: hep-ex
21
The categories of this paper are: adap-org