# HG changeset patch # User Kevin Walker # Date 1290023199 28800 # Node ID 0b9636e084f91a5d062e5f0da202897bc7bd7395 # Parent 9c09495197c08053893405258a36ead2f1162ffe done with intro for now diff -r 9c09495197c0 -r 0b9636e084f9 pnas/pnas.tex --- a/pnas/pnas.tex Wed Nov 17 11:26:00 2010 -0800 +++ b/pnas/pnas.tex Wed Nov 17 11:46:39 2010 -0800 @@ -221,14 +221,27 @@ This extension is the desired derived version of a TQFT, which we call the blob complex. (The name comes from the ``blobs" which feature prominently in a concrete version of the homotopy colimit.) - -\nn{In many places we omit details; they can be found in MW. -(Blanket statement in order to avoid too many citations to MW.)} +We then review some basic properties of the blob complex, and finish by showing how it +yields a higher categorical and higher dimensional generalization of Deligne's +conjecture on Hochschild cochains and the little 2-disks operad. -\nn{perhaps say something explicit about the relationship of this paper to big blob paper. -like: in this paper we try to give a clear view of the big picture without getting bogged down in details} +\nn{maybe this is not necessary?} +In an attempt to forestall any confusion that might arise from different definitions of +``$n$-category" and ``TQFT", we note that our $n$-categories are both more and less general +than the ``fully dualizable" ones which play a prominent role in \cite{0905.0465}. +More general in that we make no duality assumptions in the top dimension $n+1$. +Less general in that we impose stronger duality requirements in dimensions 0 through $n$. +Thus our $n$-categories correspond to $(n{+}\epsilon)$-dimensional unoriented or oriented TQFTs, while +Lurie's (fully dualizable) $n$-categories correspond to $(n{+}1)$-dimensional framed TQFTs. -\nn{diff w/ lurie} +Details missing from this paper can usually be found in \cite{1009.5025}. + +%\nn{In many places we omit details; they can be found in MW. +%(Blanket statement in order to avoid too many citations to MW.)} +% +%\nn{perhaps say something explicit about the relationship of this paper to big blob paper. +%like: in this paper we try to give a clear view of the big picture without getting bogged down in details} + \section{Definitions} \subsection{$n$-categories} \mbox{}