Zentralblatt MATH

Publications of (and about) Paul Erdös

Zbl.No:  297.60052
Autor:  Erdös, Paul; Ney, P.
Title:  Some problems on random intervals and annihilating particles. (In English)
Source:  Ann. of Probab. 2, 828-839 (1974).
Review:  Particles perform independent random walks on the integers, and are annihilated if they cross paths or land at the same point. The problem is to determine whether the origin is hit infinitely often. The answer is shown to depend on the initial distribution of particles in accordance with a ``log log law''. Several equivalent models are mentioned.
Classif.:  * 60K35 Interacting random processes
                   60J15 Random walk
                   60C05 Combinatorial probability

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