Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: WMAP5 constraints on the unified model of dark energy and dark matter   We derive constraints on the parameter space of the unified model of dark
energy and dark matter, the Generalized Chaplygin Gas (GCG), from the
amplitudes and positions of the first few peaks and first trough of the cosmic
microwave background radiation (CMBR) power spectrum, using the latest WMAP
five year data.

19
The categories of this paper are: eess
16
The categories of this paper are: stat
5
The categories of this paper are: gr-qc
32
The categories of this paper are: atom-ph
35
The categories of this paper are: mtrl-th
14
The categories of this paper are: math-ph
24
The categories of this paper are: dg-ga
4
The categories of this paper are: cond-mat
3
The categories of this paper are: physics
31
The categories of this paper are: ao-sci
7
The categories of this paper are: hep-th
23
The categories of this paper are: solv-int
37
The categories of this paper are: supr-con
33
The categories of this paper are: plasm-ph
9
The categories of this paper are: nlin
28
The categories of this paper are: alg-geom