Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: SO(2)-congruent projections of convex bodies with rotation about the
  origin   We prove that if two convex bodies $ K, L \subset \mathbb{R}^3$ satisfy the
property that the orthogonal projections of $K$ and $L$ onto every plane
containing the origin are roations of each other, then either $K$ and $L$
coincide or $L$ is the image of $K$ under a reflection about the origin

1
The categories of this paper are: cs
26
The categories of this paper are: bayes-an
33
The categories of this paper are: plasm-ph
31
The categories of this paper are: ao-sci
10
The categories of this paper are: q-bio
8
The categories of this paper are: hep-ex
18
The categories of this paper are: econ
3
The categories of this paper are: physics
24
The categories of this paper are: dg-ga
11
The categories of this paper are: hep-lat
5
The categories of this paper are: gr-qc
37
The categories of this paper are: supr-con
22
The categories of this paper are: chao-dyn
36
The categories of this paper are: cmp-lg
16
The categories of this paper are: stat
27
The categories of this paper are: comp-gas