diff -r 4f008d0a29d4 -r 5fdf1488ce20 text/a_inf_blob.tex --- a/text/a_inf_blob.tex Thu Sep 23 10:03:26 2010 -0700 +++ b/text/a_inf_blob.tex Thu Sep 23 12:34:16 2010 -0700 @@ -292,27 +292,27 @@ or $M\to Y$, instead of an undecorated colimit with fancier $k$-categories over $Y$. Information about the specific map to $Y$ has been taken out of the categories and put into sphere modules and decorations. -\nn{just say that one could do something along these lines} + +Let $F \to E \to Y$ be a fiber bundle as above. +Choose a decomposition $Y = \cup X_i$ +such that the restriction of $E$ to $X_i$ is homeomorphic to a product $F\times X_i$, +and choose trivializations of these products as well. -%Let $F \to E \to Y$ be a fiber bundle as above. -%Choose a decomposition $Y = \cup X_i$ -%such that the restriction of $E$ to $X_i$ is a product $F\times X_i$, -%and choose trivializations of these products as well. -% -%\nn{edit marker} -%To each codim-1 face $X_i\cap X_j$ we have a bimodule ($S^0$-module). -%And more generally to each codim-$j$ face we have an $S^{j-1}$-module. -%Decorate the decomposition with these modules and do the colimit. -% -% -%\nn{There is a version of this last construction for arbitrary maps $E \to Y$ -%(not necessarily a fibration).} -% -% -% +Let $\cF$ be the $k$-category associated to $F$. +To each codimension-1 face $X_i\cap X_j$ we have a bimodule ($S^0$-module) for $\cF$. +More generally, to each codimension-$m$ face we have an $S^{m-1}$-module for a $(k{-}m{+}1)$-category +associated to the (decorated) link of that face. +We can decorate the strata of the decomposition of $Y$ with these sphere modules and form a +colimit as in \S \ref{ssec:spherecat}. +This colimit computes $\bc_*(E)$. + +There is a similar construction for general maps $M\to Y$. + %Note that Theorem \ref{thm:gluing} can be viewed as a special case of this one. %Let $X_1$ and $X_2$ be $n$-manifolds -% +%\nn{...} + + \subsection{A gluing theorem}