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Topic: Compactifications
Replies: 6   Last Post: Mar 24, 2013 2:05 PM

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David C. Ullrich

Posts: 21,553
Registered: 12/6/04
Re: Compactifications
Posted: Mar 24, 2013 11:39 AM
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On Sat, 23 Mar 2013 14:19:03 -0600, David C. Ullrich
<ullrich@math.okstate.edu> wrote:

>On Sat, 23 Mar 2013 19:10:30 +0000, Frederick Williams
><freddywilliams@btinternet.com> wrote:
>

>>"David C. Ullrich" wrote:
>>>
>>> On Sat, 23 Mar 2013 00:30:27 -0700, William Elliot <marsh@panix.com>
>>> wrote:
>>>

>>> >Number of non-homeomophic n-point Hausdorff compactifications
>>>
>>> Compactifications of _what_?

>>
>>The reals x {0,1,...,k} I suppose.

>
>No, there's only one compactification of that set.


I need to read more carefully. Missed the "the reals x"
part, thought you were referring to just the set
{0,1..,k}.



>
>>
>>> >
>>> >[...]

>>>
>>> And what the heck does that notation mean?

>>
>>Too compact, is it?

>
>I'm going to pretend you didn't say that...
>





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