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From: Marta Bunge <marta.bunge@mcgill.ca>
To: Eduardo Dubuc <edubuc@dm.uba.ar>
Cc: <categories@mta.ca>
Subject: RE: errata
Date: Thu, 7 Oct 2010 19:46:27 -0400	[thread overview]
Message-ID: <E1P4I8x-0007iD-Ep@mlist.mta.ca> (raw)
In-Reply-To: <20101007010252.EA0FDCF26@mailscan2.ncs.mcgill.ca>




Even in the locally connected case there are several non isomorphic trivialization structures. The difference is that, in that case, there is a canonical one.
> Date: Wed, 6 Oct 2010 09:34:51 -0300
> From: edubuc@dm.uba.ar
> To: edubuc@dm.uba.ar
> CC: categories@mta.ca
> Subject: categories: errata
> 
> 
>>
>> The difference is only manifest when the space B is not locally
>> connected. In
>> this case we may have homeomorphisms from X to X over B which do not
>> preserve
>> this structure (Spanier, Algebraic Topology).
>>
>>
> 
> is not quite it should be,
> 
> there is a clear notion of isomorphism of trivialization structure, and  a same
> space X over B may have non isomorphic structures. Alternatively, a continuous
> function over B does not necessarily preserve the trivialization structures.
> 
> however, if B is locally connected, trivialization structures are like a pure
> property of X.
> 

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


  parent reply	other threads:[~2010-10-07 23:46 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-23 10:07 The omega-functor omega-category David Leduc
2010-09-24 15:13 ` Urs Schreiber
2010-09-25  1:40   ` Ross Street
     [not found] ` <BF755983-D6D4-469B-9206-C6B275699C3F@mq.edu.au>
2010-09-25 11:22   ` Urs Schreiber
2010-09-26  2:00     ` David Leduc
     [not found] ` <1216D94C-81A2-49A7-95B3-7543B315A54B@mq.edu.au>
2010-09-26  5:00   ` David Leduc
     [not found] ` <E1P0Oe6-0005AL-SX@mlist.mta.ca>
2010-09-28  1:11   ` David Leduc
2010-09-29  1:09     ` John Baez
2010-09-30  0:29       ` David Leduc
     [not found] ` <AANLkTi=LXzu13GU8ZmB=+-qGTQmV3S-bDp6h+dJJ1xNJ@mail.gmail.com>
2010-09-30  3:10   ` John Baez
2010-10-01 14:22     ` Steve Vickers
2010-10-02 22:03       ` Michael Shulman
2010-10-03 13:32         ` Colin McLarty
2010-10-04  7:52         ` Vaughan Pratt
2010-10-04 18:41           ` Michael Shulman
2010-10-05 15:42             ` property_vs_structure Eduardo J. Dubuc
2010-10-06 12:34               ` errata Eduardo J. Dubuc
     [not found] ` <AANLkTin3LqPLuMFD-xSEuRK9TqBUbHrRRxrdcOEykJJo@mail.gmail.com>
2010-10-03 22:11   ` The omega-functor omega-category Michael Shulman
     [not found] ` <20101007010252.EA0FDCF26@mailscan2.ncs.mcgill.ca>
2010-10-07 23:46   ` Marta Bunge [this message]
     [not found]   ` <SNT101-W63B3FACD04EBDB79A3E389DF6F0@phx.gbl>
2010-10-08  0:40     ` property_vs_structure Eduardo J. Dubuc
     [not found] ` <20101008004112.BE2B38572@mailscan2.ncs.mcgill.ca>
2010-10-08 19:19   ` property_vs_structure Marta Bunge
     [not found]   ` <SNT101-W2444EC2F259963200F4CEEDF500@phx.gbl>
2010-10-08 21:53     ` property_vs_structure Eduardo J. Dubuc
     [not found]     ` <20101008215343.9920DABC2@mailscan2.ncs.mcgill.ca>
     [not found]       ` <SNT101-W455AA430BC53CBFDB8DCE3DF510@phx.gbl>
2010-10-09 14:12         ` FW: property_vs_structure Marta Bunge
2010-10-09 21:07         ` property_vs_structure Eduardo J. Dubuc
2010-10-11 13:03           ` property_vs_structure George Janelidze
     [not found] ` <20101009210755.68229A98F@mailscan2.ncs.mcgill.ca>
2010-10-09 22:26   ` property_vs_structure Marta Bunge
     [not found] ` <20101011201507.3A7732E52@mailscan3.ncs.mcgill.ca>
2010-10-18 21:04   ` property_vs_structure Marta Bunge
2010-10-21  0:14     ` property_vs_structure George Janelidze
2010-10-21 17:51 ` property_vs_structure Marta Bunge
     [not found] ` <20101021002656.76CCDD13F@mailscan3.ncs.mcgill.ca>
2010-10-24 21:15   ` property_vs_structure Marta Bunge
2010-10-25 11:15     ` property_vs_structure George Janelidze
     [not found] ` <20101025111544.E773E63DD@mailscan3.ncs.mcgill.ca>
2010-10-25 14:26   ` property_vs_structure Marta Bunge
     [not found] ` <20101025012021.684BB8F88@mailscan2.ncs.mcgill.ca>
2010-10-25 19:30   ` property_vs_structure Marta Bunge
  -- strict thread matches above, loose matches on Subject: below --
2010-09-14  1:02 errata Eduardo J. Dubuc
2010-09-14 22:10 ` errata David Roberts
2010-09-15  4:48   ` errata Michael Shulman
     [not found] ` <19600.5343.491002.650226@zeus.knighten.org>
2010-09-15  2:07   ` errata Eduardo J. Dubuc
2007-10-10 13:58 errata Eduardo Dubuc

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