Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A simple analysis of a D/GI/1 vacation queue with impatient customers   In this paper, we deal with an $D/GI/1$ vacation system with impatient
customers. We give a sufficient condition for the existence of a limit
distribution of the waiting time and integral equations are derived in both
reneging and balking scenarios. Explicit solutions are given when vacation
times are exponentially distributed and service times are either exponentially
distributed or deterministic.

12
The categories of this paper are: nucl-th
37
The categories of this paper are: supr-con
7
The categories of this paper are: hep-th
17
The categories of this paper are: q-fin
24
The categories of this paper are: dg-ga
30
The categories of this paper are: q-alg
15
The categories of this paper are: nucl-ex
28
The categories of this paper are: alg-geom
3
The categories of this paper are: physics
26
The categories of this paper are: bayes-an
16
The categories of this paper are: stat
19
The categories of this paper are: eess
34
The categories of this paper are: chem-ph
22
The categories of this paper are: chao-dyn
13
The categories of this paper are: quant-ph
25
The categories of this paper are: patt-sol