diff -r c570a7a75b07 -r ab0b4827c89c text/appendixes/comparing_defs.tex --- a/text/appendixes/comparing_defs.tex Thu Aug 11 22:14:11 2011 -0600 +++ b/text/appendixes/comparing_defs.tex Fri Aug 12 10:00:59 2011 -0600 @@ -585,6 +585,7 @@ The morphisms of $A$, from $x$ to $y$, are $\cC(I; x, y)$ ($\cC$ applied to the standard interval with boundary labeled by $x$ and $y$). For simplicity we will now assume there is only one object and suppress it from the notation. +Henceforth $A$ will also denote its unique morphism space. A choice of homeomorphism $I\cup I \to I$ induces a chain map $m_2: A\otimes A\to A$. We now have two different homeomorphisms $I\cup I\cup I \to I$, but they are isotopic. @@ -610,7 +611,7 @@ We define a $\Homeo(J)$ action on $\cC(J)$ via $g_*(f, a) = (g\circ f, a)$. The $C_*(\Homeo(J))$ action is defined similarly. -Let $J_1$ and $J_2$ be intervals. +Let $J_1$ and $J_2$ be intervals, and let $J_1\cup J_2$ denote their union along a single boundary point. We must define a map $\cC(J_1)\ot\cC(J_2)\to\cC(J_1\cup J_2)$. Choose a homeomorphism $g:I\to J_1\cup J_2$. Let $(f_i, a_i)\in \cC(J_i)$.