Shanthikumar J. George

J. George Shanthikumar

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Found 39 papers in total
Bivariate characterization of some stochastic order relations
Bivariate characterization of some stochastic order relations
1991
Bivariate (and multivariate) functional representations for the following stochastic...
Multiclass queueing systems; Polymatroidal structure and optimal scheduling control
Multiclass queueing systems; Polymatroidal structure and optimal scheduling control
1992
In many multiclass queueing systems, certain performance measures of interest satisfy...
Optimal buffer allocation in a multicell system
Optimal buffer allocation in a multicell system
1989
Motivated by a layout design problem in the electronics industry, the authors study in...
Characterization of optimal order of service in a tandem queue with blocking
Characterization of optimal order of service in a tandem queue with blocking
1991
Consider a tandem queueing system with m stages with no intermediate storage space...
Optimal spares provisioning when component price is changing
Optimal spares provisioning when component price is changing
1990
A system must operate for t units of time. A certain component is essential for...
Multivariate stochastic orderings and positive dependence in reliability theory
Multivariate stochastic orderings and positive dependence in reliability theory
1990
Stochastic orderings are introduced for vectors of lifetimes based on hazard rates and...
Stochastic monotonicity in general queueing networks
Stochastic monotonicity in general queueing networks
1989
The authors develop a representation for general queueing networks, and study some...
On uniform conditional stochastic order conditioned on planar regions
On uniform conditional stochastic order conditioned on planar regions
1990
Sufficient conditions under which two random vectors are ordered in the sense of...
Modified Lindley process with replacement: Dynamic behavior, asymptotic decomposition and applications
Modified Lindley process with replacement: Dynamic behavior, asymptotic decomposition and applications
1989
The authors consider a discrete-time stochastic process { W n ,n≥0} governed by...
Stochastic convexity and its applications
Stochastic convexity and its applications
1988
Several notions of stochastic convexity and concavity and their properties are studied...
Level crossing analysis of priority queues and a conservation identity for vacation models
Level crossing analysis of priority queues and a conservation identity for vacation models
1989
The two purposes of this article are to illustrate the power and simplicity of level...
On the first-passage times of pure jump processes
On the first-passage times of pure jump processes
1988
Let T x be the time it takes for a pure jump process, which starts at 0, to cross a...
Second-order properties of the throughput of a closed queueing network
Second-order properties of the throughput of a closed queueing network
1988
The authors show that the throughput of a single-class closed queueing network (CQN)...
Allocating a joint setup in a multi-cell system
Allocating a joint setup in a multi-cell system
1988
Consider a manufacturing system consisting of multiple cells; each cell processes a...
Multivariate conditional hazard rates and the MIFRA and MIFR properties
Multivariate conditional hazard rates and the MIFRA and MIFR properties
1988
If Tµ =( T 1 ,..., T n ) is a vector of random lifetimes then its distribution...
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