Random Discrete Distributions Derived from Self-Similar Random Sets
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1. | Title | Title of document | Random Discrete Distributions Derived from Self-Similar Random Sets |
2. | Creator | Author's name, affiliation, country | Jim Pitman; University of California, Berkeley |
2. | Creator | Author's name, affiliation, country | Marc Yor; Université Pierre et Marie Curie |
3. | Subject | Discipline(s) | Mathematics |
3. | Subject | Keyword(s) | interval partition, zero set, excursion lengths, regenerative set, structural distribution. |
3. | Subject | Subject classification | 60G18, 60G57, 60K05. |
4. | Description | Abstract | A model is proposed for a decreasing sequence of random variables $(V_1, V_2, \cdots)$ with $\sum_n V_n = 1$, which generalizes the Poisson-Dirichlet distribution and the distribution of ranked lengths of excursions of a Brownian motion or recurrent Bessel process. Let $V_n$ be the length of the $n$th longest component interval of $[0,1]\backslash Z$, where $Z$ is an a.s. non-empty random closed of $(0,\infty)$ of Lebesgue measure $0$, and $Z$ is self-similar, i.e. $cZ$ has the same distribution as $Z$ for every $c > 0$. Then for $0 \le a < b \le 1$ the expected number of $n$'s such that $V_n \in (a,b)$ equals $\int_a^b v^{-1} F(dv)$ where the structural distribution $F$ is identical to the distribution of $1 - \sup ( Z \cap [0,1] )$. Then $F(dv) = f(v)dv$ where $(1-v) f(v)$ is a decreasing function of $v$, and every such probability distribution $F$ on $[0,1]$ can arise from this construction. |
5. | Publisher | Organizing agency, location | |
6. | Contributor | Sponsor(s) | |
7. | Date | (YYYY-MM-DD) | 1996-02-20 |
8. | Type | Status & genre | Peer-reviewed Article |
8. | Type | Type | |
9. | Format | File format | |
10. | Identifier | Uniform Resource Identifier | http://ejp.ejpecp.org/article/view/4 |
10. | Identifier | Digital Object Identifier | 10.1214/EJP.v1-4 |
11. | Source | Journal/conference title; vol., no. (year) | Electronic Journal of Probability; Vol 1 |
12. | Language | English=en | en |
14. | Coverage | Geo-spatial location, chronological period, research sample (gender, age, etc.) | |
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