00420nas a2200133 4500000000100000000000100001000000100002008004100003100002200044245005900066300001400125490000700139520014000146 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.