C. Mueller, und R. Sowers. Stochastic analysis (Ithaca, NY, 1993), Volume 57 von Proc. Sympos. Pure Math., Amer. Math. Soc., Providence, RI, Finally, T. Shiga has pointed out that there is a dual process for (1.4),
which is a system of branching Brownian motions, in which particles
coalesce at a Poisson rate, measured according to the local time beween
pairs of particles. We do not give a more precise description..(1995)