Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Horofunctions on graphs of linear growth   We prove that a linear growth graph has finitely many horofunctions. This
provides a short and simple proof that any finitely generated infinite group of
linear growth is virtually cyclic.

22
The categories of this paper are: chao-dyn
37
The categories of this paper are: supr-con
18
The categories of this paper are: econ
16
The categories of this paper are: stat
14
The categories of this paper are: math-ph
31
The categories of this paper are: ao-sci
35
The categories of this paper are: mtrl-th
5
The categories of this paper are: gr-qc
11
The categories of this paper are: hep-lat
23
The categories of this paper are: solv-int
9
The categories of this paper are: nlin
32
The categories of this paper are: atom-ph
13
The categories of this paper are: quant-ph
4
The categories of this paper are: cond-mat
25
The categories of this paper are: patt-sol
29
The categories of this paper are: funct-an