1 May
2007
1 May
'07
5:58 p.m.
Off the top of my head I have no idea, but that's a really fun question, Dan! Dan Asimov <dasimov@earthlink.net> writes:
Topology puzzle:
Determine whether or not the topological space Y x Y (the cartesian product of two Y-shaped spaces, each the union of 3 closed intervals) can be embedded as a subset of 3-space.
--Dan