From: "George Janelidze" <janelg@telkomsa.net>
To: <categories@mta.ca>,
Subject: Re: Question on exact sequence
Date: Wed, 11 Nov 2009 18:36:25 +0200 [thread overview]
Message-ID: <020701ca62ed$1faf6500$0b00000a@C3> (raw)
Dear All,
As I understand, my previous message was written after Marco's and Steve's
messages, although I saw them only afterwards. Unfortunately I don't have
time now, but putting these things together would be very interesting.
Specifically:
1. Marco vs Steve: Marco's result contains what Michael is mentioning
(=Exercise VIII.4.6 in Mac Lane's book) plus Snake Lemma, but does it
contain what Steve describes as Enrico's result?
2. Marco vs George: And do you, Marco, have a canonical connecting morphism?
3. Steve vs George: Do you, Steve - hence Enrico - have a canonical
connecting morphism depending on what you call z : A ---> C' in your (Steve)
message?
George
[For admin and other information see: http://www.mta.ca/~cat-dist/ ]
next prev reply other threads:[~2009-11-11 16:36 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-11 11:05 Steve Lack
2009-11-11 16:36 ` George Janelidze [this message]
[not found] ` <E258C2F0-8620-4CD8-8011-B544D44C95BD@dima.unige.it>
[not found] ` <027601ca62f9$ace359c0$0b00000a@C3>
2009-11-12 8:12 ` Question on exact sequence (by G.J.) Marco Grandis
-- strict thread matches above, loose matches on Subject: below --
2009-11-13 2:05 Question on exact sequence F William Lawvere
2009-11-12 19:58 Michael Barr
2009-11-11 17:29 Marco Grandis
2009-11-11 17:15 Marco Grandis
2009-11-11 16:34 Clemens.BERGER
2009-11-11 15:04 George Janelidze
2009-11-12 12:41 ` Michael Barr
2009-11-13 16:06 ` Michael Barr
[not found] ` <00a001ca63f6$80936b50$0b00000a@C3>
[not found] ` <Pine.LNX.4.64.0911122132300.27416@msr03.math.mcgill.ca>
[not found] ` <000f01ca644d$065eb590$0b00000a@C3>
[not found] ` <Pine.LNX.4.64.0911131101330.27416@msr03.math.mcgill.ca>
2009-11-13 18:15 ` George Janelidze
2009-11-14 16:24 ` Michael Barr
2009-11-15 14:35 ` George Janelidze
2009-11-16 16:43 ` Marco Grandis
2009-11-13 0:16 ` George Janelidze
2009-11-10 20:14 Ross Street
2009-11-10 16:15 Michael Barr
2009-11-10 14:44 Marco Grandis
2009-11-10 3:22 Steve Lack
2009-11-09 22:57 Michael Barr
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