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From: Michael Shulman <shulman@sandiego.edu>
To: "Oosten, J. van" <j.vanoosten@uu.nl>
Cc: categories <categories@mta.ca>
Subject: Re: functors defined by well-founded induction
Date: Wed, 30 Jul 2014 15:43:18 -0700	[thread overview]
Message-ID: <E1XD1oa-0007fc-W0@mlist.mta.ca> (raw)
In-Reply-To: <40aa4cd3ea004811957c877001b40f5e@LANDO.ad.sandiego.edu>

Dear Jaap,

I also overlooked this email somehow.  (-:

On Thu, Jul 10, 2014 at 5:40 AM, Oosten, J. van <j.vanoosten@uu.nl> wrote:
> is the following too simple-minded?
>
> Given a well-founded poset (X,<), a category C and a function F which,
> to every functor G from an initial segment of X to C, assigns a cocone
> for G.
> Then there is a unique functor H:X-->C with the property that for every
> x\in X, H(x) is the vertex of the cocone which is F applied to the
> restriction of H to {y|y<x}.

I think my desired application is probably a bit more complicated than
this, but if you have

>> a place
>> where someone has written out exactly how to construct such a functor

for the simpler version, then I'd love to see it too!

Mike


[For admin and other information see: http://www.mta.ca/~cat-dist/ ]


  parent reply	other threads:[~2014-07-30 22:43 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <e7a7f6a0218b48329967ebf0349ac528@CHEWY.ad.sandiego.edu>
2014-07-09 17:39 ` Michael Shulman
2014-07-10 12:40   ` Oosten, J. van
2014-07-30 12:37     ` Tadeusz Litak
     [not found] ` <40aa4cd3ea004811957c877001b40f5e@LANDO.ad.sandiego.edu>
2014-07-30 22:43   ` Michael Shulman [this message]
2014-07-09  9:39 Paul Taylor
  -- strict thread matches above, loose matches on Subject: below --
2014-07-08  3:11 Michael Shulman

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