categories - Category Theory list
 help / color / mirror / Atom feed
From: "Fred E.J. Linton" <fejlinton@usa.net>
To: Michael Barr <barr@math.mcgill.ca>,
	Categories mailing list <categories@mta.ca>
Subject: Re: coequalizers in the category of algebras for the double powerset triple
Date: Fri, 27 Mar 2015 12:30:35 -0400	[thread overview]
Message-ID: <E1YbdQv-0000hx-0v@mlist.mta.ca> (raw)

If I had thought Richard's monad was on the category of sets,
I'd have answered the same way:

| From: Michael Barr <barr@math.mcgill.ca>
| 
| > Recently there was a question as to whether these coequalizers exist.  
| > Unless I have misunderstood the question, the affirmative answer is given

| > in the example in the middle of p.72 of Linton's paper in TAC reprint
#18.

But Richard writes of his monad as being "on the category of locales", 
and there I'm not so sure ... .

Cheers, -- Fred



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


             reply	other threads:[~2015-03-27 16:30 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-27 16:30 Fred E.J. Linton [this message]
2015-03-31 13:47 ` coequalizers in the category of algebras for the double power locale triple Townsend, Christopher
  -- strict thread matches above, loose matches on Subject: below --
2015-03-26 12:45 coequalizers in the category of algebras for the double powerset triple Michael Barr

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=E1YbdQv-0000hx-0v@mlist.mta.ca \
    --to=fejlinton@usa.net \
    --cc=barr@math.mcgill.ca \
    --cc=categories@mta.ca \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).