From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/9242 Path: news.gmane.org!.POSTED!not-for-mail From: Ross Street Newsgroups: gmane.science.mathematics.categories Subject: Re: Functors arising from a relational Grothendieck construction Date: Sat, 17 Jun 2017 05:02:01 +0000 Message-ID: References: Reply-To: Ross Street NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1497724344 12869 195.159.176.226 (17 Jun 2017 18:32:24 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 17 Jun 2017 18:32:24 +0000 (UTC) Cc: Luc Pellissier , "categories@mta.ca list" To: Thomas Streicher Original-X-From: majordomo@mlist.mta.ca Sat Jun 17 20:32:19 2017 Return-path: Envelope-to: gsmc-categories@m.gmane.org Original-Received: from smtp2.mta.ca ([198.164.44.40]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dMIWB-00030H-Bs for gsmc-categories@m.gmane.org; Sat, 17 Jun 2017 20:32:19 +0200 Original-Received: from mlist.mta.ca ([138.73.1.63]:34138) by smtp2.mta.ca with esmtp (Exim 4.80) (envelope-from ) id 1dMIWH-0006QM-Ol; Sat, 17 Jun 2017 15:32:25 -0300 Original-Received: from majordomo by mlist.mta.ca with local (Exim 4.71) (envelope-from ) id 1dMIV6-0006EA-9t for categories-list@mlist.mta.ca; Sat, 17 Jun 2017 15:31:12 -0300 In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US Precedence: bulk Xref: news.gmane.org gmane.science.mathematics.categories:9242 Archived-At: On 16 Jun 2017, at 11:16 PM, Thomas Streicher > wrote: by a theorem of B'enabou (and R. Street independently I guess) functors to BB correspond to lax normalized functors from BB^op to Dist, the bicategory of distributors. =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D Dear Thomas Thanks for the thought, but, no, I either heard it first from Benabou or from Duskin who attributed it to Benabou. At that stage, to my knowledge, the result had not appeared in print. Best wishes, Ross [For admin and other information see: http://www.mta.ca/~cat-dist/ ]