diff -r 3f180943709f -r b62214646c4f text/intro.tex --- a/text/intro.tex Wed Aug 26 01:21:59 2009 +0000 +++ b/text/intro.tex Wed Aug 26 02:35:24 2009 +0000 @@ -162,10 +162,63 @@ \end{itemize} \end{property} -\nn{add product formula? $n$-dimensional fat graph operad stuff?} + + +\begin{property}[Relation to mapping spaces] +There is a version of the blob complex for $C$ an $A_\infty$ $n$-category +instead of a garden variety $n$-category. + +Let $\pi^\infty_{\le n}(W)$ denote the $A_\infty$ $n$-category based on maps +$B^n \to W$. +(The case $n=1$ is the usual $A_\infty$ category of paths in $W$.) +Then $\bc_*(M, \pi^\infty_{\le n}(W))$ is +homotopy equivalent to $C_*(\{\text{maps}\; M \to W\})$. +\end{property} + + + + +\begin{property}[Product formula] +Let $M^n = Y^{n-k}\times W^k$ and let $C$ be an $n$-category. +Let $A_*(Y)$ be the $A_\infty$ $k$-category associated to $Y$ via blob homology. +Then +\[ + \bc_*(Y^{n-k}\times W^k, C) \simeq \bc_*(W, A_*(Y)) . +\] +\nn{say something about general fiber bundles?} +\end{property} + + + + +\begin{property}[Higher dimensional Deligne conjecture] +The singular chains of the $n$-dimensional fat graph operad act on blob cochains. + +The $n$-dimensional fat graph operad can be thought of as a sequence of general surgeries +of $n$-manifolds +$R_i \cup A_i \leadsto R_i \cup B_i$ together with mapping cylinders of diffeomorphisms +$f_i: R_i\cup B_i \to R_{i+1}\cup A_{i+1}$. +(Note that the suboperad where $A_i$, $B_i$ and $R_i\cup A_i$ are all diffeomorphic to +the $n$-ball is equivalent to the little $n{+}1$-disks operad.) + +If $A$ and $B$ are $n$-manifolds sharing the same boundary, define +the blob cochains $\bc^*(A, B)$ (analogous to Hochschild cohomology) to be +$A_\infty$ maps from $\bc_*(A)$ to $\bc_*(B)$, where we think of both +(collections of) complexes as modules over the $A_\infty$ category associated to $\bd A = \bd B$. +The ``holes" in the above +$n$-dimensional fat graph operad are labeled by $\bc^*(A_i, B_i)$. +\end{property} + + + + + + + Properties \ref{property:functoriality}, \ref{property:gluing-map} and \ref{property:skein-modules} will be immediate from the definition given in \S \ref{sec:blob-definition}, and we'll recall them at the appropriate points there. \todo{Make sure this gets done.} Properties \ref{property:disjoint-union} and \ref{property:contractibility} are established in \S \ref{sec:basic-properties}. Property \ref{property:hochschild} is established in \S \ref{sec:hochschild}, Property \ref{property:evaluation} in \S \ref{sec:evaluation}, and Property \ref{property:gluing} in \S \ref{sec:gluing}. +\nn{need to say where the remaining properties are proved.} \ No newline at end of file