Re: [math-fun] Topology puzzle

Lightbulb goes on: Y-shaped = shaped like the letter Y; Y isn't a free parameter. On 5/1/07, Daniel Asimov <dasimov@earthlink.net> wrote:

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

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