diff -r 37f036dda03c -r 291f82fb79b5 text/hochschild.tex --- a/text/hochschild.tex Mon Jun 28 08:54:36 2010 -0700 +++ b/text/hochschild.tex Mon Jun 28 10:03:13 2010 -0700 @@ -19,7 +19,7 @@ to find a more ``local" description of the Hochschild complex. Let $C$ be a *-1-category. -Then specializing the definitions from above to the case $n=1$ we have: \nn{mention that this is dual to the way we think later} \nn{mention that this has the nice side effect of making everything splittable away from the marked points} +Then specializing the definitions from above to the case $n=1$ we have: \begin{itemize} \item $\cC(pt) = \ob(C)$ . \item Let $R$ be a 1-manifold and $c \in \cC(\bd R)$. @@ -31,7 +31,7 @@ \item There is an evaluation map $e: \cC(I; a, b) \to \mor(a, b)$ given by composing the morphism labels of the points. Note that we also need the * of *-1-category here in order to make all the morphisms point -the same way. \nn{Wouldn't it be better to just do the oriented version here? -S} +the same way. \item For $x \in \mor(a, b)$ let $\chi(x) \in \cC(I; a, b)$ be the field with a single point (at some standard location) labeled by $x$. Then the kernel of the evaluation map $U(I; a, b)$ is generated by things of the @@ -204,7 +204,8 @@ We claim that $J_*$ is homotopy equivalent to $\bc_*(S^1)$. Let $F_*^\ep \sub \bc_*(S^1)$ be the subcomplex where either (a) the point * is not on the boundary of any blob or -(b) there are no labeled points or blob boundaries within distance $\ep$ of *. +(b) there are no labeled points or blob boundaries within distance $\ep$ of *, +other than blob boundaries at * itself. Note that all blob diagrams are in $F_*^\ep$ for $\ep$ sufficiently small. Let $b$ be a blob diagram in $F_*^\ep$. Define $f(b)$ to be the result of moving any blob boundary points which lie on * @@ -236,7 +237,9 @@ If $*$ is not contained in any twig blob, we define $j_\ep(x)$ by adding $N_\ep$ as a new twig blob, with label $y - s(y)$ where $y$ is the restriction of $x$ to $N_\ep$. -If $*$ is contained in a twig blob $B$ with label $u=\sum z_i$, \nn{I don't think we need to consider sums here} +If $*$ is contained in a twig blob $B$ with label $u=\sum z_i$, +\nn{SM: I don't think we need to consider sums here} +\nn{KW: It depends on whether we allow linear combinations of fields outside of twig blobs} write $y_i$ for the restriction of $z_i$ to $N_\ep$, and let $x_i$ be equal to $x$ on $S^1 \setmin B$, equal to $z_i$ on $B \setmin N_\ep$, and have an additional blob $N_\ep$ with label $y_i - s(y_i)$.