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Feb 14, 2019 at 18:52 vote accept David White
Apr 13, 2017 at 12:58 history edited CommunityBot
replaced http://mathoverflow.net/ with https://mathoverflow.net/
Aug 15, 2012 at 5:10 comment added Tyler Lawson As a side note, even in the presence of a negative answer to the second question, the first question might be interesting. For instance, in topological spaces one does not have an equivalence between $E_\infty$ monoids and topological abelian monoids; the latter are interesting (e.g. Dold-Kan and Dold-Thom). In equivariant spectra the "commutative" rings (that appear in Hill-Hopkins-Ravenel) are strictly stronger than the most "homotopical" notion of a commutative ring object, because they possess equivariant norms; they're still very interesting.
Aug 11, 2012 at 13:58 answer added Peter May timeline score: 5
Aug 10, 2012 at 20:03 history asked David White CC BY-SA 3.0