Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Topological Compactons   One dimensional topological kink which has strictly finite size without any
exponential or power-like tail is presented. It can be observed in a simple
mechanical system akin to the one used in order to demonstrate sinus-Gordon
solitons.

20
The categories of this paper are: acc-phys
34
The categories of this paper are: chem-ph
36
The categories of this paper are: cmp-lg
31
The categories of this paper are: ao-sci
29
The categories of this paper are: funct-an
13
The categories of this paper are: quant-ph
12
The categories of this paper are: nucl-th
30
The categories of this paper are: q-alg
25
The categories of this paper are: patt-sol
26
The categories of this paper are: bayes-an
22
The categories of this paper are: chao-dyn
17
The categories of this paper are: q-fin
32
The categories of this paper are: atom-ph
5
The categories of this paper are: gr-qc
28
The categories of this paper are: alg-geom
19
The categories of this paper are: eess