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On Lundh's percolation diffusion
Carroll, T.; O'Donovan, Julie; Ortega Cerdà, Joaquim
Centre de Recerca Matemàtica
A collection of spherical obstacles in the unit ball in Euclidean space is said to be avoidable for Brownian motion if there is a positive probability that Brownian motion diffusing from some point in the ball will avoid all the obstacles and reach the boundary of the ball. The centres of the spherical obstacles are generated according to a Poisson point process while the radius of an obstacle is a deterministic function. If avoidable con gurations are generated with positive probability Lundh calls this percolation di usion. An integral condition for percolation di ffusion is derived in terms of the intensity of the point process and the function that determines the radii of the obstacles.
531/534 - Mecànica. Vibracions. Acústica
Percolació (Física estadística)
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11 p.
Centre de Recerca Matemàtica
Prepublicacions del Centre de Recerca Matemàtica;1026

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Carroll, T.; O'Donovan, Julie; Ortega Cerdà, Joaquim
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