diff -r 18b742b1b308 -r b98790f0282e text/appendixes/comparing_defs.tex --- a/text/appendixes/comparing_defs.tex Wed Jul 28 12:53:16 2010 -0700 +++ b/text/appendixes/comparing_defs.tex Wed Jul 28 13:39:52 2010 -0700 @@ -15,7 +15,6 @@ yields the appropriate sort of equivalence on each side. Since we haven't given a definition for functors between topological $n$-categories (the paper is already too long!), we do not pursue this here. -\nn{say something about modules and tensor products?} We emphasize that we are just sketching some of the main ideas in this appendix --- it falls well short of proving the definitions are equivalent. @@ -161,10 +160,67 @@ Define 2-morphsims $a \to a\bullet \id_x$ and $a\bullet \id_x \to a$ as shown in Figure \ref{fzo2}. \begin{figure}[t] -\begin{equation*} -\mathfig{.73}{tempkw/zo2} -\end{equation*} -\caption{blah blah} +\begin{tikzpicture} +\newcommand{\rr}{6} +\newcommand{\vertex}{node[circle,fill=black,inner sep=1pt] {}} + +\node(A) at (0,0) { +\begin{tikzpicture} +\node[red,left] at (0,0) {$y$}; +\draw (0,0) \vertex arc (-120:-105:\rr) node[red,below] {$a$} arc(-105:-90:\rr) \vertex node[red,below](x2) {$x$}; +\draw (0,0) \vertex arc (120:105:\rr) node[red,above] {$a$} arc (105:90:\rr) \vertex node[red,above](x1) {$x$} -- (x2); +\begin{scope} + \path[clip] (0,0) arc (-120:-60:\rr) arc (60:120:\rr); + \foreach \x in {0,0.24,...,3} { + \draw[green!50!brown] (\x,1) -- (\x,-1); + } +\end{scope} +\draw[red, decorate,decoration={brace,amplitude=5pt}] ($(x1)+(0.2,-0.2)$) -- ($(x2)+(0.2,0.2)$) node[midway, xshift=0.7cm] {$x \times I$}; +\end{tikzpicture} +}; + +\node(B) at (-4,-4) { +\begin{tikzpicture} +\node[red,left] at (0,0) {$y$}; +\draw (0,0) \vertex + arc (120:105:\rr) node[red,above] {$a$} + arc (105:90:\rr) node[red,above] {$x$} \vertex + arc (90:75:\rr) node[red,above] {$x \times I$} + arc (75:60:\rr) \vertex node[red,right] {$x$} + arc (-60:-90:\rr) node[red,below] {$a$} + arc (-90:-120:\rr); +\begin{scope} + \path[clip] (0,0) arc (-120:-60:\rr) arc (60:120:\rr); + \foreach \x in {0,0.48,...,9} { + \draw[green!50!brown] (\x/4,1) -- (\x,-1); + } +\end{scope} +\end{tikzpicture} +}; + +\node(C) at (4,-4) { +\begin{tikzpicture}[y=-1cm] +\node[red,left] at (0,0) {$y$}; +\draw (0,0) \vertex + arc (120:105:\rr) node[red,below] {$a$} + arc (105:90:\rr) node[red,below] {$x$} \vertex + arc (90:75:\rr) node[red,below] {$x \times I$} + arc (75:60:\rr) \vertex node[red,right] {$x$} + arc (-60:-90:\rr) node[red,above] {$a$} + arc (-90:-120:\rr); +\begin{scope} + \path[clip] (0,0) arc (-120:-60:\rr) arc (60:120:\rr); + \foreach \x in {0,0.48,...,9} { + \draw[green!50!brown] (\x/4,1) -- (\x,-1); + } +\end{scope} +\end{tikzpicture} +}; + +\draw[->] (A) -- (B); +\draw[->] (A) -- (C); +\end{tikzpicture} +\caption{Producing weak identities from half pinched products} \label{fzo2} \end{figure} As suggested by the figure, these are two different reparameterizations @@ -176,7 +232,7 @@ \begin{equation*} \mathfig{.83}{tempkw/zo3} \end{equation*} -\caption{blah blah} +\caption{Composition of weak identities, 1} \label{fzo3} \end{figure} In the first step we have inserted a copy of $(x\times I)\times I$. @@ -185,7 +241,7 @@ \begin{equation*} \mathfig{.83}{tempkw/zo4} \end{equation*} -\caption{blah blah} +\caption{Composition of weak identities, 2} \label{fzo4} \end{figure} We identify a product region and remove it.