From: "Harley D. Eades III" <harley.eades@gmail.com>
To: "Vasili I. Galchin" <vigalchin@gmail.com>
Cc: Categories mailing list <categories@mta.ca>
Subject: Re: Poset adjoints
Date: Thu, 17 Apr 2014 10:36:04 -0500 [thread overview]
Message-ID: <9160FC6B-FBD8-41F8-B578-7684894437F3@gmail.com> (raw)
In-Reply-To: <E1WaZZg-0007ry-JD@mlist.mta.ca>
Hi, Vasili.
On Apr 16, 2014, at 1:51 AM, Vasili I. Galchin <vigalchin@gmail.com> wrote:
> Hello Category Community,
>
> Given that poset adjoints are considered miniature versions of
> adjoints, what are are the unit and co-unit natural transformations
> say between poset A and B?
Doesn't this boil down to a Galois connection? The unit and counit would
then be:
f(y) <= x iff y <= g(x)
where f : B -> A and G : A -> B and x in A and y in B.
Very best,
.\ Harley
>
> Kind regards,
>
> Vasili
>
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next prev parent reply other threads:[~2014-04-17 15:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-16 6:51 Vasili I. Galchin
2014-04-17 15:36 ` Harley D. Eades III [this message]
2014-04-17 5:26 Fred E.J. Linton
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