Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Williams Conjecture is false for irreducible subshifts   We show the Williams Conjecture is false for irreducible shifts of finite
type by examining relative sign-gyration numbers of conjugacies between shifts
with no points of period one or two.

36
The categories of this paper are: cmp-lg
7
The categories of this paper are: hep-th
28
The categories of this paper are: alg-geom
14
The categories of this paper are: math-ph
10
The categories of this paper are: q-bio
34
The categories of this paper are: chem-ph
4
The categories of this paper are: cond-mat
23
The categories of this paper are: solv-int
22
The categories of this paper are: chao-dyn
32
The categories of this paper are: atom-ph
27
The categories of this paper are: comp-gas
20
The categories of this paper are: acc-phys
15
The categories of this paper are: nucl-ex
18
The categories of this paper are: econ
37
The categories of this paper are: supr-con
24
The categories of this paper are: dg-ga