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Re: Re: Re: I broke the sum into pieces

  • To: mathgroup at smc.vnet.net
  • Subject: [mg105199] Re: [mg105174] Re: [mg105149] Re: I broke the sum into pieces
  • From: Andrzej Kozlowski <akoz at mimuw.edu.pl>
  • Date: Tue, 24 Nov 2009 05:48:16 -0500 (EST)
  • References: <4B0551F8.1050308@sbcglobal.net> <144987c90911190624s3f42b7e7g6545e37062631d1f@mail.gmail.com> <200911221111.GAA10575@smc.vnet.net> <200911231152.GAA21981@smc.vnet.net>

On 23 Nov 2009, at 20:52, Andrzej Kozlowski wrote:

> In higher dimensions the conjecture is even more different from what was
> implied in this post. It states that a homotopy n-sphere is homomorphic
> to an n-sphere. The condition that something is a homotopy n-sphere is a
> very strong one - relatively few manifolds are homotopy spheres! To say
> that this somehow implies that *all* manifolds "reduce" to spheres is a
> comical travesty.

In fact the conjecture is like: "if it quacks like a duck, it is a duck". And the "comical travesty" is presenting this as stating that "all birds are ducks".

Andrzej Kozlowski


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