Liu Zhen

Zhen Liu

Information about the author Zhen Liu will soon be added to the site.
Found 17 papers in total
The effects of China's Sloping Land Conversion Program on agricultural households
The effects of China's Sloping Land Conversion Program on agricultural households
2016
In the late 1990s, China aimed to mitigate environmental degradation from agricultural...
Competitive equilibrium in e-commerce: Pricing and outsourcing
Competitive equilibrium in e-commerce: Pricing and outsourcing
2007
The success of firms engaged in e-commerce depends on their ability to understand and...
Smoothing effect of the superposition of homogeneous sources in tandem networks
Smoothing effect of the superposition of homogeneous sources in tandem networks
2000
We analyze the smoothing effect of superposing homogeneous sources in a network. We...
Optimal parallel processing of random task graphs
Optimal parallel processing of random task graphs
2001
We consider scheduling of tasks of parallel programs on multiprocessor systems where...
Optimal transmission policies for noisy channels
Optimal transmission policies for noisy channels
2001
We consider transmission policies for multiple users sharing a single wireless link to...
Linear and quadratic algorithms for scheduling chains and opposite chains
Linear and quadratic algorithms for scheduling chains and opposite chains
2002
One basic scheduling problem of parallel systems is the scheduling of chains, the...
The impact of cell dropping policies in asynchronous transfer mode nodes
The impact of cell dropping policies in asynchronous transfer mode nodes
2001
We consider policies for deciding which cells will be lost or dropped when losses...
Scheduling multicast input-queued switches
Scheduling multicast input-queued switches
1999
The use of multicast transmissions, in which users broadcast their data (typically...
Optimal robot scheduling for Web search engines
Optimal robot scheduling for Web search engines
1998
A robot is deployed by a Web search engine in order to maintain the currency of its...
Optimal load balancing on distributed homogeneous unreliable processors
Optimal load balancing on distributed homogeneous unreliable processors
1998
We consider optimal load balancing in a distributed computing environment consisting...
Scheduling multiprocessor tasks with chain constraints
Scheduling multiprocessor tasks with chain constraints
1996
This paper is concerned with a new model in deterministic scheduling theory, where...
Sample path methods in the control of queues
Sample path methods in the control of queues
1993
Sample path methods are now among the most used techniques in the control of queueing...
Preemptive scheduling with variable profile, precedence constraints and due dates
Preemptive scheduling with variable profile, precedence constraints and due dates
1995
This paper is concerned with the problem of scheduling preemptive tasks subject to...
Effects of service disciplines in G/GI/s queueing systems
Effects of service disciplines in G/GI/s queueing systems
1994
Transient extremal properties of some service disciplines are established in the...
Burst reduction properties of rate-control throttles: Departure process
Burst reduction properties of rate-control throttles: Departure process
1994
In this paper the authors study the departure processes of two rate-control throttles:...
Generalized precedence-based queueing systems
Generalized precedence-based queueing systems
1992
A general K -server queueing model with precedence constraints on customer services is...
On the optimal stochastic scheduling of out-forests
On the optimal stochastic scheduling of out-forests
1992
This paper presents new results on the problem of scheduling jobs on K≥1 parallel...
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