Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Quadratic Mixed finite element approximations of the Monge-Ampere
  equation in 2D   We give error estimates for a mixed finite element approximation of the
two-dimensional elliptic Monge-Ampere equation with the unknowns approximated
by Lagrange finite elements of degree two. The variables in the formulation are
the scalar variable and the Hessian matrix.

4
The categories of this paper are: cond-mat
20
The categories of this paper are: acc-phys
7
The categories of this paper are: hep-th
8
The categories of this paper are: hep-ex
36
The categories of this paper are: cmp-lg
25
The categories of this paper are: patt-sol
17
The categories of this paper are: q-fin
31
The categories of this paper are: ao-sci
27
The categories of this paper are: comp-gas
29
The categories of this paper are: funct-an
32
The categories of this paper are: atom-ph
11
The categories of this paper are: hep-lat
18
The categories of this paper are: econ
10
The categories of this paper are: q-bio
1
The categories of this paper are: cs
23
The categories of this paper are: solv-int