Carroll, Tom; O’Donovan, Julie; Ortega-Cerdà, Joaquim - In: Stochastic Processes and their Applications 122 (2012) 4, pp. 1988-1997
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...