Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Some singular minimizers in low dimensions in the calculus of variations   We construct a singular minimizing map ${\bf u}$ from $\mathbb{R}^3$ to
$\mathbb{R}^2$ of a smooth uniformly convex functional of the form $\int_{B_1}
F(D{\bf u})\,dx$.

31
The categories of this paper are: ao-sci
16
The categories of this paper are: stat
35
The categories of this paper are: mtrl-th
30
The categories of this paper are: q-alg
20
The categories of this paper are: acc-phys
27
The categories of this paper are: comp-gas
37
The categories of this paper are: supr-con
3
The categories of this paper are: physics
21
The categories of this paper are: adap-org
23
The categories of this paper are: solv-int
25
The categories of this paper are: patt-sol
8
The categories of this paper are: hep-ex
9
The categories of this paper are: nlin
7
The categories of this paper are: hep-th
24
The categories of this paper are: dg-ga
19
The categories of this paper are: eess