From: Johannes.Huebschmann@math.univ-lille1.fr
To: "Categories list" <categories@mta.ca>
Subject: Re: Asking for more trouble
Date: Mon, 25 Aug 2008 16:47:41 +0200 (CEST) [thread overview]
Message-ID: <E1KXeqF-0002N6-HD@mailserv.mta.ca> (raw)
These are Bourbaki terms.
Denombrable: countable
denombrable a l'infini: countable at infinity
(the point at infinity of the Alexandroff compactification
of a locally compact space has a countable neighborhood base)
relativement compact: relatively compact (having compact closure)
Johannes
> G is now talking about locally compact spaces and there are two phrases I
> have not seen. One is "relatively compact". I assume this is the same as
> what I call "conditionally compact", i.e. having compact closure. The
> other is "denombrable". The context is "Suppose that the locally compact
> space $X$ is denombrable a l'infini". Does it mean first countable?
>
> I don't want to start a discussion what bad terms these are, I just want
> to know what they mean.
>
> Michael
>
>
>
next reply other threads:[~2008-08-25 14:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-25 14:47 Johannes.Huebschmann [this message]
-- strict thread matches above, loose matches on Subject: below --
2008-08-25 16:08 Toby Bartels
2008-08-24 23:51 Michael Barr
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