Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Brownian earthworm   We prove that the distance between two reflected Brownian motions, driven by
the same white noise, outside a sphere in a 3-dimensional flat torus does not
converge to 0, a.s., if the radius of the sphere is sufficiently small,
relative to the size of the torus.

22
The categories of this paper are: chao-dyn
8
The categories of this paper are: hep-ex
20
The categories of this paper are: acc-phys
24
The categories of this paper are: dg-ga
5
The categories of this paper are: gr-qc
7
The categories of this paper are: hep-th
6
The categories of this paper are: astro-ph
17
The categories of this paper are: q-fin
3
The categories of this paper are: physics
0
The categories of this paper are: hep-ph
12
The categories of this paper are: nucl-th
16
The categories of this paper are: stat
11
The categories of this paper are: hep-lat
37
The categories of this paper are: supr-con
15
The categories of this paper are: nucl-ex
23
The categories of this paper are: solv-int