Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On Primes in Quadratic Progressions   We verify the Hardy-Littlewood conjecture on primes in quadratic progressions
on average. The results in the present paper significantly improve those of a
previous paper of the authors(arXiv:math.NT/0605563).

28
The categories of this paper are: alg-geom
30
The categories of this paper are: q-alg
16
The categories of this paper are: stat
34
The categories of this paper are: chem-ph
27
The categories of this paper are: comp-gas
24
The categories of this paper are: dg-ga
9
The categories of this paper are: nlin
31
The categories of this paper are: ao-sci
6
The categories of this paper are: astro-ph
1
The categories of this paper are: cs
25
The categories of this paper are: patt-sol
11
The categories of this paper are: hep-lat
10
The categories of this paper are: q-bio
29
The categories of this paper are: funct-an
23
The categories of this paper are: solv-int
8
The categories of this paper are: hep-ex