diff -r 8c2c330e87f2 -r e7a8c44c05dd text/ncat.tex --- a/text/ncat.tex Thu Dec 17 04:37:12 2009 +0000 +++ b/text/ncat.tex Fri Dec 18 06:06:43 2009 +0000 @@ -213,6 +213,8 @@ $$\mathfig{.65}{tempkw/blah6}$$ \caption{An example of strict associativity}\label{blah6}\end{figure} +\nn{figure \ref{blah6} (blah6) needs a dotted line in the south split ball} + Notation: $a\bullet b \deq \gl_Y(a, b)$ and/or $a\cup b \deq \gl_Y(a, b)$. In the other direction, we will call the projection from $\cC(B)_E$ to $\cC(B_i)_E$ a {\it restriction} map and write $\res_{B_i}(a)$ for $a\in \cC(B)_E$. @@ -220,11 +222,13 @@ For example, if $B$ is a $k$-ball and $Y\sub \bd B$ is a $k{-}1$-ball, there is a restriction map from $\cC(B)_{\bd Y}$ to $\cC(Y)$. -%More notation and terminology: -%We will call the projection from $\cC(B)_E$ to $\cC(B_i)_E$ a {\it restriction} -%map +We will write $\cC(B)_Y$ for the image of $\gl_Y$ in $\cC(B)$. +We will call $\cC(B)_Y$ morphisms which are splittable along $Y$ or transverse to $Y$. +We have $\cC(B)_Y \sub \cC(B)_E \sub \cC(B)$. -The above two axioms are equivalent to the following axiom, +More generally, if $X$ is a sphere or ball subdivided \nn{...} + +The above two composition axioms are equivalent to the following one, which we state in slightly vague form. \xxpar{Multi-composition:}