Search found 4 matches

by jcmckeown
Fri Jul 12, 2013 5:14 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1190: "Time"
Replies: 105923
Views: 35600976

Re: 1190: "Time"

... What's Stallman doing in Upper Molpy?
by jcmckeown
Fri Jun 07, 2013 12:29 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1190: "Time"
Replies: 105923
Views: 35600976

Re: 1190: "Time"

I hope there isn't a dead moose or such up-stream. You never know when... say, is that maybe what the "steam bottle" was about? Welcome to the madness. This is your first post to the One True Thread is it not? How long have you been looking in on the One True Comic and here. (Out of curio...
by jcmckeown
Fri Jun 07, 2013 4:01 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1190: "Time"
Replies: 105923
Views: 35600976

Re: 1190: "Time"

I hope there isn't a dead moose or such up-stream. You never know when... say, is that maybe what the "steam bottle" was about?
by jcmckeown
Sat Jun 01, 2013 3:52 am UTC
Forum: Mathematics
Topic: homotopy groups of wedge products
Replies: 6
Views: 4182

Re: homotopy groups of wedge products

The homotopy groups of a wedge of spaces (which are themselves suspensions) was worked out by Hilton and Milnor. Google "Hilton-Milnor Theorem". For a wedge of spheres the homotopy groups (mod torsion) are a type of free Lie algebra on the homotopy groups of the wedge summands, where the ...

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