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III: 03, 34-92, LNM 88 (1969)
CAIROLI, Renzo
√Čtude probabiliste d'un probl√®me de Dirichlet (Several parameter processes)
This paper aims at a better understanding of separately harmonic functions with respect to a product of two Markov processes, which provide one of the main examples of two parameter martingales (the other one being the Brownian sheet). Here the recently published work of J.~Walsh (Ann. Inst. Fourier, 18, 1968) on the Dirichlet problem for biharmonic functions was discussed and reinterpreted
Comment: An early step in the theory of two parameter martingales. See also Cairoli, Publ. Inst. Stat. Univ. Paris, 15, 1966
Keywords: Dirichlet problem, Biharmonic functions
Nature: Original
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