Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Extending Group Actions   We show sufficient criteria for a group of homeomorphisms acting on a metric
space X to extend to one acting on a given compactification of X. We give
examples for when this can fail when one of the criteria is not met.

8
The categories of this paper are: hep-ex
15
The categories of this paper are: nucl-ex
36
The categories of this paper are: cmp-lg
14
The categories of this paper are: math-ph
16
The categories of this paper are: stat
37
The categories of this paper are: supr-con
23
The categories of this paper are: solv-int
30
The categories of this paper are: q-alg
29
The categories of this paper are: funct-an
0
The categories of this paper are: hep-ph
3
The categories of this paper are: physics
6
The categories of this paper are: astro-ph
13
The categories of this paper are: quant-ph
17
The categories of this paper are: q-fin
1
The categories of this paper are: cs
24
The categories of this paper are: dg-ga