00394nas a2200109 4500000000100000008004100001100002200042245005900064300001400123490000700137520014000144 2005 d1 aZbigniew Puchała00aProof of Grabiner's theorem on non-colliding particles a129–1320 v253 aA detail proof of Grabiner's theorem [1] on the exact asymptotics of the time to collision for n independent Brownian motions is given.