Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On joint ruin probabilities of a two-dimensional risk model with
  constant interest rate   In this note we consider the two-dimensional risk model introduced in Avram
et al. \cite{APP08} with constant interest rate. We derive the
integral-differential equations of the Laplace transforms, and asymptotic
expressions for the finite time ruin probabilities with respect to the joint
ruin times $T_{\rm max}(u_1,u_2)$ and $T_{\rm min}(u_1,u_2)$ respectively.

16
The categories of this paper are: stat
9
The categories of this paper are: nlin
23
The categories of this paper are: solv-int
3
The categories of this paper are: physics
15
The categories of this paper are: nucl-ex
26
The categories of this paper are: bayes-an
35
The categories of this paper are: mtrl-th
30
The categories of this paper are: q-alg
6
The categories of this paper are: astro-ph
14
The categories of this paper are: math-ph
18
The categories of this paper are: econ
10
The categories of this paper are: q-bio
29
The categories of this paper are: funct-an
31
The categories of this paper are: ao-sci
36
The categories of this paper are: cmp-lg
20
The categories of this paper are: acc-phys