From: Peter May <may@math.uchicago.edu>
To: categories@mta.ca
Subject: Details
Date: Tue, 6 Mar 2007 17:55:29 -0600 [thread overview]
Message-ID: <E1HOkyi-0001Td-SM@mailserv.mta.ca> (raw)
1971, not 1982, was when operads were defined.
Certainly I did not know multicategories, but
they only correspond to non-sigma operads,
operads without permutations, and I would not
have bothered inventing a word just for them.
Precisely, multicategories are the many object
version of non-sigma operads. The point is
that the applications for which operads were
invented depend vitally on the permutations.
Peter May
reply other threads:[~2007-03-06 23:55 UTC|newest]
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