Re: Sensible and NonsenSQL Aspects of the NoSQL Hoopla

From: Jan Hidders <hidders_at_gmail.com>
Date: 06 Sep 2013 12:41:41 GMT
Message-ID: <433513951400163829.615192hidders-gmail.com_at_news.xs4all.nl>


Norbert_Paul <norbertpauls_spambin_at_yahoo.com> wrote:
> Jan Hidders wrote:

>>> Thanks for the "be". I'll do so later.
>> 
>> Also "dimension higher than 2" does not sound correct to me. It's the
>> number of dimensions that is higher, not a single dimension. I would say
>> "can be expensive for more than 2 dimensions".

>
> No, singular is correct. In topology (as in linear algebra) you spek of
> "the dimension" (singular) of a space:
> http://en.wikipedia.org/wiki/Dimension

RIght. I stand corrected. Thanks. Didn't know that.

> But, actually, in topology there are more than one dimensions. For example:
> - small inductive dimension "ind"
> - large inductive dimension "Ind"
> - Krull dimension "dim"
> - covering dimension "dim"
>
> But still, singular is correct, because for topological /data/ the Krull
> dimension is the most adequate, and it is the dimension notion I use.
> The Krull dimension is then sometimes called the "combinatorial dimension".
> Alas, the English Wikipedia article (and also
> http://nl.wikipedia.org/wiki/Krull-dimensie ) only mentions its /algebraic/
> definition. Its topological counterpart is presented in the corresponding
> German, and French Wikipedia articles.

What's stopping you from writing that into the English version? :-)

  • Jan Hidders
Received on Fri Sep 06 2013 - 14:41:41 CEST

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