text/a_inf_blob.tex
changeset 286 ff867bfc8e9c
parent 225 32a76e8886d1
child 291 9b8b474e272c
--- a/text/a_inf_blob.tex	Thu May 27 15:06:48 2010 -0700
+++ b/text/a_inf_blob.tex	Thu May 27 20:09:47 2010 -0700
@@ -15,6 +15,12 @@
 
 \medskip
 
+\subsection{The small blob complex}
+
+\input{text/smallblobs}
+
+\subsection{A product formula}
+
 Let $M^n = Y^k\times F^{n-k}$.  
 Let $C$ be a plain $n$-category.
 Let $\cF$ be the $A_\infty$ $k$-category which assigns to a $k$-ball
@@ -25,7 +31,7 @@
 new-fangled blob complex $\bc_*^\cF(Y)$.
 \end{thm}
 
-\input{text/smallblobs}
+
 
 \begin{proof}[Proof of Theorem \ref{product_thm}]
 We will use the concrete description of the colimit from Subsection \ref{ss:ncat_fields}.
@@ -213,6 +219,9 @@
 
 \medskip
 
+\subsection{A gluing theorem}
+\label{sec:gluing}
+
 Next we prove a gluing theorem.
 Let $X$ be a closed $k$-manifold with a splitting $X = X'_1\cup_Y X'_2$.
 We will need an explicit collar on $Y$, so rewrite this as
@@ -230,6 +239,7 @@
 \end{itemize}
 
 \begin{thm}
+\label{thm:gluing}
 $\bc(X) \cong \bc(X_1) \otimes_{\bc(Y), J} \bc(X_2)$.
 \end{thm}
 
@@ -254,6 +264,8 @@
 
 \medskip
 
+\subsection{Reconstructing mapping spaces}
+
 The next theorem shows how to reconstruct a mapping space from local data.
 Let $T$ be a topological space, let $M$ be an $n$-manifold, 
 and recall the $A_\infty$ $n$-category $\pi^\infty_{\leq n}(T)$