diff -r 7552a9ffbe80 -r 870d6fac5420 text/ncat.tex --- a/text/ncat.tex Fri Jul 15 14:48:43 2011 -0700 +++ b/text/ncat.tex Fri Jul 15 15:03:22 2011 -0700 @@ -944,7 +944,7 @@ then Axiom \ref{axiom:families} implies Axiom \ref{axiom:extended-isotopies}. Another variant of the above axiom would be to drop the ``up to homotopy" and require a strictly associative action. -In fact, the alternative construction of the blob complex described in \S \ref{ss:alt-def} +In fact, the alternative construction $\btc_*(X)$ of the blob complex described in \S \ref{ss:alt-def} gives $n$-categories as in Example \ref{ex:blob-complexes-of-balls} which satisfy this stronger axiom; since that construction is only homotopy equivalent to the usual one, only the weaker axiom carries across. @@ -1143,11 +1143,11 @@ For a $k$-ball $X$, with $k < n$, the set $\pi^\infty_{\leq n}(T)(X)$ is just $\Maps(X \to T)$. Define $\pi^\infty_{\leq n}(T)(X; c)$ for an $n$-ball $X$ and $c \in \pi^\infty_{\leq n}(T)(\bdy X)$ to be the chain complex \[ - C_*(\Maps_c(X\times F \to T)), + C_*(\Maps_c(X \to T)), \] where $\Maps_c$ denotes continuous maps restricting to $c$ on the boundary, and $C_*$ denotes singular chains. -Alternatively, if we take the $n$-morphisms to be simply $\Maps_c(X\times F \to T)$, +Alternatively, if we take the $n$-morphisms to be simply $\Maps_c(X \to T)$, we get an $A_\infty$ $n$-category enriched over spaces. \end{example}