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- W4301885846 abstract "By introducing the notions of living and dead nodes a new model of random tree evolution with continuous time parameter has been constructed. It is assumed that two random variables, the lifetime and the offspring number of living nodes control the evolution process. It has been shown that the generating function of the probability to find the evolving tree in a given state satisfies a non-linear integral equation. Analyzing the time dependence of the average number of living nodes three different types of evolution (subcritical, critical and supercritical) can be observed. It has been proved that in the case of subcritical evolution there is a well-defined time point at which the variance of the number of living nodes has a maximum. The joint distribution function of the numbers of living and dead nodes has been derived, and the time dependence of the correlation between these node numbers has been calculated. It is found that in the critical evolution with increasing time the correlation converges to a fixed number which is independent of the distributions of the lifetime and the offspring number of living nodes." @default.
- W4301885846 created "2022-10-05" @default.
- W4301885846 creator A5088867765 @default.
- W4301885846 date "2002-05-30" @default.
- W4301885846 modified "2023-10-16" @default.
- W4301885846 title "Randomly evolving trees I" @default.
- W4301885846 doi "https://doi.org/10.48550/arxiv.cond-mat/0205650" @default.
- W4301885846 hasPublicationYear "2002" @default.
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