text/ncat.tex
changeset 365 a93bb76a8525
parent 364 93d636f420c7
child 366 b69b09d24049
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364:93d636f420c7 365:a93bb76a8525
   282 {Given any decomposition $B = B_1\cup\cdots\cup B_m$ of a $k$-ball
   282 {Given any decomposition $B = B_1\cup\cdots\cup B_m$ of a $k$-ball
   283 into small $k$-balls, there is a 
   283 into small $k$-balls, there is a 
   284 map from an appropriate subset (like a fibered product) 
   284 map from an appropriate subset (like a fibered product) 
   285 of $\cC(B_1)\spl\times\cdots\times\cC(B_m)\spl$ to $\cC(B)\spl$,
   285 of $\cC(B_1)\spl\times\cdots\times\cC(B_m)\spl$ to $\cC(B)\spl$,
   286 and these various $m$-fold composition maps satisfy an
   286 and these various $m$-fold composition maps satisfy an
   287 operad-type strict associativity condition (Figure \ref{blah7}).}
   287 operad-type strict associativity condition (Figure \ref{fig:operad-composition}).}
   288 
   288 
   289 \begin{figure}[!ht]
   289 \begin{figure}[!ht]
   290 $$\mathfig{.8}{tempkw/blah7}$$
   290 $$\mathfig{.8}{ncat/operad-composition}$$
   291 \caption{Operad composition and associativity}\label{blah7}\end{figure}
   291 \caption{Operad composition and associativity}\label{fig:operad-composition}\end{figure}
   292 
   292 
   293 The next axiom is related to identity morphisms, though that might not be immediately obvious.
   293 The next axiom is related to identity morphisms, though that might not be immediately obvious.
   294 
   294 
   295 \begin{axiom}[Product (identity) morphisms, preliminary version]
   295 \begin{axiom}[Product (identity) morphisms, preliminary version]
   296 For each $k$-ball $X$ and $m$-ball $D$, with $k+m \le n$, there is a map $\cC(X)\to \cC(X\times D)$, 
   296 For each $k$-ball $X$ and $m$-ball $D$, with $k+m \le n$, there is a map $\cC(X)\to \cC(X\times D)$,