Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Inflationary cosmology and structure formation   These lectures cover the basics of inflationary models for the early
universe, concentrating particularly on the generation of density fluctuations
from scalar-field dynamics. The subsequent gravitational dynamics of these
fluctuations in dark matter in a Friedmann model are described, leading to a
review of the current situation in confronting inflationary models with the
latest data on the clustering of galaxies and other measures of large-scale
structure.

8
The categories of this paper are: hep-ex
30
The categories of this paper are: q-alg
11
The categories of this paper are: hep-lat
33
The categories of this paper are: plasm-ph
27
The categories of this paper are: comp-gas
35
The categories of this paper are: mtrl-th
17
The categories of this paper are: q-fin
2
The categories of this paper are: math
15
The categories of this paper are: nucl-ex
25
The categories of this paper are: patt-sol
24
The categories of this paper are: dg-ga
21
The categories of this paper are: adap-org
19
The categories of this paper are: eess
37
The categories of this paper are: supr-con
31
The categories of this paper are: ao-sci
7
The categories of this paper are: hep-th