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On explicit and Fréchet-optimal lower bounds

Published online by Cambridge University Press:  14 July 2016

Eugene Seneta*
Affiliation:
University of Sydney
John Tuhao Chen*
Affiliation:
Bowling Green State University
*
Postal address: School of Mathematics and Statistics, University of Sydney, NSW 2006, Australia. Email address: [email protected]
∗∗ Postal address: Department of Mathematics and Statistics, Bowling Green State University, Bowling Green, OH 43403, USA.

Abstract

Ease of computation of Fréchet-optimal lower bounds, given numerical values of the binomial moments Sij, i, j = 1, 2, is demonstrated. A sufficient condition is given for an explicit bivariate bound of Dawson-Sankoff structure to be Fréchet optimal. An example demonstrates that in the bivariate case even the multiplicative structure of the Sij does not guarantee a Dawson-Sankoff structure for Fréchet-optimal bounds. A final section is used to illuminate the nature of Fréchet optimality by using generalized explicit bounds. This note is a sequel to both Chen and Seneta (1995) and Chen (1998).

Type
Research Papers
Copyright
Copyright © Applied Probability Trust 2002 

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Footnotes

Work done in part at the University of Sydney.

References

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