Zhao Yiqiang Q.

Yiqiang Q. Zhao

Information about the author Yiqiang Q. Zhao will soon be added to the site.
Found 15 papers in total
Stationary tail asymptotics of a tandem queue with feedback
Stationary tail asymptotics of a tandem queue with feedback
2008
Motivated by applications in manufacturing systems and computer networks, in this...
Geometric decay in level-expanding quasi-birth-and-death (QBD) models
Geometric decay in level-expanding quasi-birth-and-death (QBD) models
2008
Level-expanding quasi-birth-and-death (QBD) processes have been shown to be an...
Properties of the geometric and related processes
Properties of the geometric and related processes
2005
Some properties of the geometric process are studied along with those of a related...
A BMAP/G/1 retrial queue with a server subject to breakdowns and repairs
A BMAP/G/1 retrial queue with a server subject to breakdowns and repairs
2006
In this paper, we consider a BMAP/G/1 retrial queue with a server subject to...
β-invariant measures for transition matrices of GI/M/1 type
β-invariant measures for transition matrices of GI/M/1 type
2003
In this paper, we study transition matrices of GI/M/ 1 type by using the approach...
Overload analysis of the PH/PH/1/K queue and the queue of the M/G/1/K type with very large K
Overload analysis of the PH/PH/1/K queue and the queue of the M/G/1/K type with very large K
2000
We consider the PH/PH/ 1/ K queue and the queue of M/G/ 1 type with very large buffer...
Ergodicity of the BMAP/PH/s/s+K retrial queue with PH-retrial times
Ergodicity of the BMAP/PH/s/s+K retrial queue with PH-retrial times
2000
Define the traffic intensity as the ratio of the arrival rate to the service rate....
Transient solutions of some multiserver queueing systems with finite spaces
Transient solutions of some multiserver queueing systems with finite spaces
1999
The purpose of this paper is to provide explicit transient solutions for the...
Stochastic scheduling on a repairable machine with Erlang uptime distribution
Stochastic scheduling on a repairable machine with Erlang uptime distribution
1998
A set of jobs is to be processed on a machine which is subject to breakdown and...
Northwest corner and banded matrix approximations to a Markov chain
Northwest corner and banded matrix approximations to a Markov chain
1999
In this paper, we consider approximations to discrete time Markov chains with...
Analysis of multi-server queues with station and server vacations
Analysis of multi-server queues with station and server vacations
1998
In this paper, we consider GI/M/c queues with two classes of vacation mechanisms:...
Infinite block-structured transition matrices and their properties
Infinite block-structured transition matrices and their properties
1998
In this paper, we study Markov chains with infinite state block-structured transition...
Stationary probabilities of Markov chains with upper Hessenberg transition matrices
Stationary probabilities of Markov chains with upper Hessenberg transition matrices
1997
In this paper, based on probabilistic arguments, we obtain an explicit solution of the...
Heterogeneous multiserver queues with general input
Heterogeneous multiserver queues with general input
1997
A queueing system with heterogeneous servers and general input is analyzed. In...
Analyzing GI/Er/1 queues
Analyzing GI/Er/1 queues
1996
In this paper we study a single-server system with Erlang- r distributed service times...
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