Subject: Re: response to Wilkerson Date: Thu, 28 Jan 1999 10:52:11 -0500 From: Clarence Wilkerson Sorry. I guess my interpretation of Greg's question was more in the spirit of "If I know interesting geometrical or algebraic data about a topological space X, does it help me compute the homotopy groups of X? " And my reply was meant to be " After applying all the geometric or algebraic insights into the problem, you're lucky if you've been able to reduce it to a question of the homotopy groups of spheres. " As for \pi_453(S^127) itself, I'll bow to the real experts, but I'd be surprised if it's known ( say, its 2 torsion ?) or if there is a computer program that could attack it in a reasonable amount of time. Bob B. ? Don D. ? Volunteers? Clarence