MathGroup Archive 2009

[Date Index] [Thread Index] [Author Index]

Search the Archive

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

  • To: mathgroup at
  • Subject: [mg105199] Re: [mg105174] Re: [mg105149] Re: I broke the sum into pieces
  • From: Andrzej Kozlowski <akoz at>
  • Date: Tue, 24 Nov 2009 05:48:16 -0500 (EST)
  • References: <> <> <> <>

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

  • Prev by Date: Bug in Plot3D?
  • Next by Date: Re: Not all points plot on my graph...
  • Previous by thread: Re: Re: I broke the sum into pieces
  • Next by thread: Batch save mode?