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Transactions of the American Mathematical Society

Published by the American Mathematical Society since 1900, Transactions of the American Mathematical Society is devoted to longer research articles in all areas of pure and applied mathematics.

ISSN 1088-6850 (online) ISSN 0002-9947 (print)

The 2020 MCQ for Transactions of the American Mathematical Society is 1.48.

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Optimal-partitioning inequalities for nonatomic probability measures
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by John Elton, Theodore P. Hill and Robert P. Kertz PDF
Trans. Amer. Math. Soc. 296 (1986), 703-725 Request permission

Abstract:

Suppose ${\mu _1}, \ldots ,{\mu _n}$ are nonatomic probability measures on the same measurable space $(S,\mathcal {B})$. Then there exists a measurable partition $\{ {S_i}\} _{i = 1}^n$ of $S$ such that ${\mu _i}({S_i}) \geq {(n + 1 - M)^{ - 1}}$ for all $i = 1, \ldots ,n$, where $M$ is the total mass of $\vee _{i = 1}^n {\mu _i}$ (the smallest measure majorizing each ${\mu _i}$). This inequality is the best possible for the functional $M$, and sharpens and quantifies a well-known cake-cutting theorem of Urbanik and of Dubins and Spanier. Applications are made to ${L_1}$-functions, discrete allocation problems, statistical decision theory, and a dual problem.
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Additional Information
  • © Copyright 1986 American Mathematical Society
  • Journal: Trans. Amer. Math. Soc. 296 (1986), 703-725
  • MSC: Primary 60A10; Secondary 28A99, 60E15
  • DOI: https://doi.org/10.1090/S0002-9947-1986-0846603-9
  • MathSciNet review: 846603