https://doi.org/10.4169/math.mag.85.2.114 • https://www.jstor.org/stable/10.4169/math.mag.85.2.114 Copy URL Summary An idea of T. Estermann (1975) for demonstrating ...
Two random processes X and Y on a metric space are said to be ε-shy coupled if there is positive probability of them staying at least a positive distance ε apart from each other forever. Interest in ...