text/deligne.tex
changeset 353 3e3ff47c5350
parent 352 38da35694123
child 354 fe9295fcf31d
equal deleted inserted replaced
352:38da35694123 353:3e3ff47c5350
   224 As noted above, the $n$-FG operad contains the little $n{+}1$-ball operad, so this constitutes
   224 As noted above, the $n$-FG operad contains the little $n{+}1$-ball operad, so this constitutes
   225 a higher dimensional version of the Deligne conjecture for Hochschild cochains and the little 2-disk operad.
   225 a higher dimensional version of the Deligne conjecture for Hochschild cochains and the little 2-disk operad.
   226 
   226 
   227 \begin{proof}
   227 \begin{proof}
   228 As described above, $FG^n_{\overline{M}, \overline{N}}$ is equal to the disjoint
   228 As described above, $FG^n_{\overline{M}, \overline{N}}$ is equal to the disjoint
   229 union of products of homeomorphisms spaces, modulo some relations.
   229 union of products of homeomorphism spaces, modulo some relations.
   230 By \ref{CHprop}, 
   230 By Proposition \ref{CHprop} and the Eilenberg-Zilber theorem, we have for each such product $P$
   231 \nn{...}
   231 a chain map
       
   232 \[
       
   233 	C_*(P)\otimes \hom(\bc_*(M_1), \bc_*(N_1))\otimes\cdots\otimes 
       
   234 \hom(\bc_*(M_{k}), \bc_*(N_{k})) \to  \hom(\bc_*(M_0), \bc_*(N_0)) .
       
   235 \]
       
   236 It suffices to show that the above maps are compatible with the relations whereby
       
   237 $FG^n_{\overline{M}, \overline{N}}$ is constructed from the various $P$'s.
       
   238 This in turn follows easily from the actions of $C_*(\Homeo(\cdot\to\cdot))$ are local (compatible with gluing) and associative.
       
   239 
       
   240 \nn{should add some detail to above}
   232 \end{proof}
   241 \end{proof}
   233 
   242 
   234 \nn{maybe point out that even for $n=1$ there's something new here.}
   243 \nn{maybe point out that even for $n=1$ there's something new here.}