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181
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CPC
2000
15 years 6 months ago
2000
This paper describes methods for counting the number of non-negative integer solutions of the system Ax = b when A is a non-negative totally unimodular matrix and b an integral ve...
156
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SIAMCO
2000
15 years 6 months ago
2000
It is shown here that stability of the stochastic approximation algorithm is implied by the asymptotic stability of the origin for an associated ODE. This in turn implies convergen...
176
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SIAMDM
2000
15 years 6 months ago
2000
Abstract. We describe fully polynomial time approximation schemes for various multicommodity flow problems in graphs with m edges and n vertices. We present the first approximation...
164
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CCR
1999
15 years 6 months ago
1999
Different applications have different security requirements for data privacy, data integrity, and authentication. Encryption is one technique that addresses these requirements. En...
184
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CN
1999
15 years 6 months ago
1999
With the growth of mobile computing, users will have simultaneous access to multiple overlaid networks, each with Zdifferent characteristics, services and costs. This paper introd...