Abstract:
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We study an extreme renewal process with no-mean Pareto(II) inter-arrival times and shape parameter in (0,1]. We give integral equations for the probability density functions (pdfs) of the finite-time t excess, age and total life; the limiting pdfs as t tends to infinity do not exist because the Pareto(II) distribution has no mean. We approximate the time-t pdfs for large t using the corresponding limiting pdfs of a renewal process having right-truncated Pareto(II) inter-arrival times, the same shape parameter, and truncation point K > 0, which have very simple formulas. We apply an L1 metric with values in (0, 1), to measure the distance between the approximating pdfs and time-t pdfs.
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