Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Donaldson equation   In this short note, we solve a Dirichlet problem for a fully nonlinear
elliptic equation. The operator is introduced by S. Donaldson and it is
relevant to the geometry of the space of volume forms.

12
The categories of this paper are: nucl-th
23
The categories of this paper are: solv-int
36
The categories of this paper are: cmp-lg
17
The categories of this paper are: q-fin
32
The categories of this paper are: atom-ph
20
The categories of this paper are: acc-phys
26
The categories of this paper are: bayes-an
22
The categories of this paper are: chao-dyn
37
The categories of this paper are: supr-con
27
The categories of this paper are: comp-gas
4
The categories of this paper are: cond-mat
9
The categories of this paper are: nlin
15
The categories of this paper are: nucl-ex
24
The categories of this paper are: dg-ga
3
The categories of this paper are: physics
21
The categories of this paper are: adap-org