Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On certain one-counter shifts   Extrapolating from the two-block system of an example of a nonsofic shift hat
was given by Lind and Marcus, a class of one-counter shifts is described, that
is disjoint from the class of standard one-counter shifts.

22
The categories of this paper are: chao-dyn
23
The categories of this paper are: solv-int
34
The categories of this paper are: chem-ph
21
The categories of this paper are: adap-org
31
The categories of this paper are: ao-sci
5
The categories of this paper are: gr-qc
9
The categories of this paper are: nlin
33
The categories of this paper are: plasm-ph
27
The categories of this paper are: comp-gas
12
The categories of this paper are: nucl-th
15
The categories of this paper are: nucl-ex
8
The categories of this paper are: hep-ex
26
The categories of this paper are: bayes-an
6
The categories of this paper are: astro-ph
0
The categories of this paper are: hep-ph
28
The categories of this paper are: alg-geom