Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On the number of Steiner triple systems S(2^m-1,3,2) of rank 2^m - m + 2
  over GF(2)   We obtain the number of different Steiner triple systems S(2^m-1,3,2) of rank
2^m-m+2 over the field GF(2).

12
The categories of this paper are: nucl-th
13
The categories of this paper are: quant-ph
15
The categories of this paper are: nucl-ex
35
The categories of this paper are: mtrl-th
11
The categories of this paper are: hep-lat
17
The categories of this paper are: q-fin
19
The categories of this paper are: eess
29
The categories of this paper are: funct-an
4
The categories of this paper are: cond-mat
22
The categories of this paper are: chao-dyn
6
The categories of this paper are: astro-ph
34
The categories of this paper are: chem-ph
5
The categories of this paper are: gr-qc
10
The categories of this paper are: q-bio
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The categories of this paper are: dg-ga
26
The categories of this paper are: bayes-an