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A Monotonicity Result for Inspecting Independent Items

  • F.K. Hwang (a1) and S.G. Papastavridis (a2)
Abstract

Recently, the conjecture that the expected number of tests is nondecreasing in the failure probability for binomial group testing has been proved. The proof has also been extended to three models of multiaccess systems. However, probabilistic algorithms are used as a crucial part of these proofs. In this paper, we give conceptually simpler new proofs without using probabilistic algorithms. We also extend the result to a more general model where the number of tests is replaced by a cost function.

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References
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Hwang, F.K., Song, T.T. & Du, D.Z. (1981). Hypergeometric and generalized hypergeometric group testing. SIAM Journal on Algebraic and Discrete Methods 2: 426428.
Hwang, F.K. & Yao, Y.C. (1987). A generalization of the monotonicity theorem in group testing with applications to multiaccess channels. IEEE Transactions on Information Theory to appear.
Yao, Y.C. & Hwang, F.K. (1988). A fundamental monotonicity in group testing. SIAM Journal on Discrete Mathematics, 1: 256259.
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Probability in the Engineering and Informational Sciences
  • ISSN: 0269-9648
  • EISSN: 1469-8951
  • URL: /core/journals/probability-in-the-engineering-and-informational-sciences
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