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Domb C. — Covering by Random Intervals and One-Dimensional Continuum Percolation
Domb C. — Covering by Random Intervals and One-Dimensional Continuum Percolation

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Название: Covering by Random Intervals and One-Dimensional Continuum Percolation

Автор: Domb C.

Аннотация:

A brief historical introduction is given to the problem of covering a line by random overlapping intervals. The problem for equal intervals was first solved by Whitworth in the 1890s. A brief resume is given of his solution. The advantages of the present author's approach, which uses a Poisson process, are out-lined, and a solution is derived by Laplace transforms. The method of Hammersley for dealing with a stochastic distribution of intervals is described, and a solution can still be derived by Laplace transforms. The asymptotic behavior as the line becomes long is calculated and is related to the one-dimensional continuum percolation problem. It is shown that as long as the mean interval size is finite, the probability of complete coverage decays exponentially, so that the critical percolation probability Pc = 1. However, as soon as the mean interval size becomes infinite, the critical percolation probability Pc switches to 0. This is in accord with previous results for a lattice model by Chinese workers, but differs from those of Schulman. A possible reason for the discrepancy is a difference in boundary conditions.


Язык: en

Рубрика: Физика/

Тип: Статья

Статус предметного указателя: Неизвестно

ed2k: ed2k stats

Год издания: 1989

Количество страниц: 20

Добавлена в каталог: 03.11.2013

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