Timeline for simplicial spaces without degeneracies

8 events

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Mar 21, 2012 at 0:24	comment	added	Peter Arndt		About how well-behaved the adjoint to the forgetting-degeneracies-functor is: mathoverflow.net/questions/57653/… and mathoverflow.net/questions/75094/… could be interesting
Mar 20, 2012 at 18:05	history	edited	Hiro Lee Tanaka	CC BY-SA 3.0	added 64 characters in body
Mar 19, 2012 at 18:13	comment	added	Ulrich Pennig		Hmm, probably. But is this enough to get a delooping of a $\Gamma$-space? Lurie's higher topos theory is probably the right place to look for something like that, is it?
Mar 19, 2012 at 18:10	comment	added	Hiro Lee Tanaka		Hi Ulrich--are you thinking of $\Gamma$-spaces as strict functors from $\gamma^{op}$ to Spaces? Or as $\infty$-functors? Is there a way you can rig your homotopy unit to such an $\infty$-functor (and in particular, one with degeneracies)?
Mar 19, 2012 at 17:34	comment	added	Ulrich Pennig		Thanks! That was really helpful. The spaces I have are Γ-spaces without degeneracies, but with some kind of homotopy unit. Maybe I can tweak Segal's degeneracy arguments to get the product preserving property for these as well `fingers crossed`.
Mar 19, 2012 at 17:23	history	edited	Hiro Lee Tanaka	CC BY-SA 3.0	added 262 characters in body
Mar 19, 2012 at 17:16	history	edited	Hiro Lee Tanaka	CC BY-SA 3.0	added 344 characters in body; added 1 characters in body; edited body; added 27 characters in body
Mar 19, 2012 at 17:08	history	answered	Hiro Lee Tanaka	CC BY-SA 3.0