Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Surfaces contracting with speed |A|^2   We show that strictly convex surfaces contracting with normal velocity equal
to |A|^2 shrink to a point in finite time. After appropriate rescaling, they
converge to spheres. We indicate how we used a computer to find the main test
function.

34
The categories of this paper are: chem-ph
35
The categories of this paper are: mtrl-th
27
The categories of this paper are: comp-gas
0
The categories of this paper are: hep-ph
31
The categories of this paper are: ao-sci
16
The categories of this paper are: stat
33
The categories of this paper are: plasm-ph
8
The categories of this paper are: hep-ex
29
The categories of this paper are: funct-an
22
The categories of this paper are: chao-dyn
10
The categories of this paper are: q-bio
15
The categories of this paper are: nucl-ex
6
The categories of this paper are: astro-ph
18
The categories of this paper are: econ
28
The categories of this paper are: alg-geom
20
The categories of this paper are: acc-phys