The vertices of an infinite locally finite tree T are labelled by a collection of i.i.d.real random variables{Xo}ver which defines a tree indexed walk So=∑X,.We introduce and study the oscillations of the walk.
文摘The vertices of an infinite locally finite tree T are labelled by a collection of i.i.d.real random variables{Xo}ver which defines a tree indexed walk So=∑X,.We introduce and study the oscillations of the walk.