# HG changeset patch # User kevin@6e1638ff-ae45-0410-89bd-df963105f760 # Date 1215294499 0 # Node ID f46e6ff9f95118b5957a7312cb264ef496061fbc # Parent 0535a42fb804c952c8366631c9110dc50ab833c6 a little more diff -r 0535a42fb804 -r f46e6ff9f951 blob1.tex --- a/blob1.tex Sat Jul 05 20:44:17 2008 +0000 +++ b/blob1.tex Sat Jul 05 21:48:19 2008 +0000 @@ -986,6 +986,8 @@ } \end{equation*} commutes. +\item The gluing and evaluation maps are compatible. +\nn{give diagram, or just say ``in the obvious way", or refer to diagram in blob eval map section?} \end{itemize} \end{defn} @@ -1058,7 +1060,26 @@ (Here we glue $Y \times pt$ to $X$, where $pt$ is the marked point of $K$.) Again, the evaluation and gluing maps come directly from Properties \ref{property:evaluation} and \ref{property:gluing-map} respectively. -\todo{Bimodules, and gluing} +The definition of a bimodule is like the definition of a module, +except that we have two disjoint marked intervals $K$ and $L$, one with a marked point +on the upper boundary and the other with a marked point on the lower boundary. +There are evaluation maps corresponding to gluing unmarked intervals +to the unmarked ends of $K$ and $L$. + +Let $X$ be an $n$-manifold with a copy of $Y \du -Y$ embedded as a +codimension-0 submanifold of $\bdy X$. +Then the the assignment $K,L \mapsto \bc*(X \cup_Y (Y\times K) \cup_{-Y} (-Y\times L))$ has the +structure of a topological $A_\infty$ bimodule over $\bc_*(Y)$. + +Next we define the coend +(or gluing or tensor product or self tensor product, depending on the context) +$\gl(M)$ of a topological $A_\infty$ bimodule $M$. +$\gl(M)$ is defined to be the universal thing with the following structure. + +\nn{...} + + + \todo{the motivating example $C_*(\maps(X, M))$}