Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Non-separating immersions of spheres and Bing houses   We construct Bing houses in all dimensions $n \geq 3$, obtaining
non-separating PL immersions of $\mathbb{S}^n \rightarrow\mathbb{R}^{n+1}$.

36
The categories of this paper are: cmp-lg
17
The categories of this paper are: q-fin
9
The categories of this paper are: nlin
5
The categories of this paper are: gr-qc
14
The categories of this paper are: math-ph
0
The categories of this paper are: hep-ph
31
The categories of this paper are: ao-sci
32
The categories of this paper are: atom-ph
24
The categories of this paper are: dg-ga
15
The categories of this paper are: nucl-ex
11
The categories of this paper are: hep-lat
1
The categories of this paper are: cs
25
The categories of this paper are: patt-sol
6
The categories of this paper are: astro-ph
28
The categories of this paper are: alg-geom
37
The categories of this paper are: supr-con