Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Testing Differences Statistically with the Leiden Ranking   The Leiden Ranking 2011/2012 provides the Proportion top-10% publications (PP
top 10%) as a new indicator. This indicator allows for testing the difference
between two ranks for statistical significance.

17
The categories of this paper are: q-fin
6
The categories of this paper are: astro-ph
15
The categories of this paper are: nucl-ex
11
The categories of this paper are: hep-lat
31
The categories of this paper are: ao-sci
32
The categories of this paper are: atom-ph
28
The categories of this paper are: alg-geom
24
The categories of this paper are: dg-ga
33
The categories of this paper are: plasm-ph
5
The categories of this paper are: gr-qc
10
The categories of this paper are: q-bio
35
The categories of this paper are: mtrl-th
18
The categories of this paper are: econ
19
The categories of this paper are: eess
26
The categories of this paper are: bayes-an
12
The categories of this paper are: nucl-th