Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The sigma-sequence and counting occurrences of some patterns,
  subsequences and subwords   We consider sigma-words, which are words used by Evdokimov in the
construction of the sigma-sequence. We then find the number of occurrences of
certain patterns and subwords in these words.

11
The categories of this paper are: hep-lat
1
The categories of this paper are: cs
25
The categories of this paper are: patt-sol
27
The categories of this paper are: comp-gas
10
The categories of this paper are: q-bio
36
The categories of this paper are: cmp-lg
17
The categories of this paper are: q-fin
14
The categories of this paper are: math-ph
12
The categories of this paper are: nucl-th
30
The categories of this paper are: q-alg
15
The categories of this paper are: nucl-ex
26
The categories of this paper are: bayes-an
31
The categories of this paper are: ao-sci
8
The categories of this paper are: hep-ex
20
The categories of this paper are: acc-phys
16
The categories of this paper are: stat