diff -r 5406d9423b2a -r f1b046a70e4f text/evmap.tex --- a/text/evmap.tex Thu Apr 29 10:51:29 2010 -0700 +++ b/text/evmap.tex Sun May 02 08:22:42 2010 -0700 @@ -328,16 +328,23 @@ \begin{lemma} \label{Gim_approx} Fix a blob diagram $b$, a homotopy order $m$ and a degree $n$ for $CH_*(X)$. Then there exists a constant $k_{bmn}$ such that for all $i \ge k_{bmn}$ -there exists another constant $j_i$ such that for all $j \ge j_i$ and all $p\in CH_n(X)$ +there exists another constant $j_{ibmn}$ such that for all $j \ge j_{ibmn}$ and all $p\in CH_n(X)$ we have $g_j(p)\ot b \in G_*^{i,m}$. \end{lemma} -For convenience we also define $k_{bmp} = k_{bmn}$ where $n=\deg(p)$. +For convenience we also define $k_{bmp} = k_{bmn}$ +and $j_{ibmp} = j_{ibmn}$ where $n=\deg(p)$. Note that we may assume that \[ k_{bmp} \ge k_{alq} \] for all $l\ge m$ and all $q\ot a$ which appear in the boundary of $p\ot b$. +Additionally, we may assume that +\[ + j_{ibmp} \ge j_{ialq} +\] +for all $l\ge m$ and all $q\ot a$ which appear in the boundary of $p\ot b$. + \begin{proof} Let $c$ be a subset of the blobs of $b$. @@ -509,14 +516,17 @@ \[ \sigma(j\ot p\ot b) = g_j(p)\ot b . \] -On $R_1\ot CH_*(X, X) \otimes \bc_*(X)$ we use the track of the homotopy from -$g_j$ to $g_{j+1}$. +On $R_1\ot CH_*(X, X) \otimes \bc_*(X)$ we define +\[ + \sigma(\iota_j\ot p\ot b) = f_j(p)\ot b , +\] +where $f_j$ is the homotopy from $g_j$ to $g_{j+1}$. Next we specify subcomplexes $G^m_* \sub R_*\ot CH_*(X, X) \otimes \bc_*(X)$ on which we will eventually define a version of the action map $e_X$. -A generator $j\ot p\ot b$ is defined to be in $G^m_*$ if $j\ge j_k$, where +A generator $j\ot p\ot b$ is defined to be in $G^m_*$ if $j\ge j_{kbmp}$, where $k = k_{bmp}$ is the constant from Lemma \ref{Gim_approx}. -Similarly $\iota_j\ot p\ot b$ is in $G^m_*$ if $j\ge j_k$. +Similarly $\iota_j\ot p\ot b$ is in $G^m_*$ if $j\ge j_{kbmp}$. The inequality following Lemma \ref{Gim_approx} guarantees that $G^m_*$ is indeed a subcomplex and that $G^m_* \sup G^{m+1}_*$. @@ -529,6 +539,52 @@ \[ e_m : G^m_* \to \bc_*(X) . \] +Let $p\ot b$ be a generator of $G^m_*$. +Each $g_j(p)\ot b$ or $f_j(p)\ot b$ is a linear combination of generators $q\ot c$, +where $\supp(q)\cup\supp(c)$ is contained in a disjoint union of balls satisfying +various conditions specified above. +As in the construction of the maps $e_{i,m}$ above, +it suffices to specify for each such $q\ot c$ a disjoint union of balls +$V_{qc} \sup \supp(q)\cup\supp(c)$, such that $V_{qc} \sup V_{q'c'}$ +whenever $q'\ot c'$ appears in the boundary of $q\ot c$. + +Let $q\ot c$ be a summand of $g_j(p)\ot b$, as above. +Let $i$ be maximal such that $j\ge j_{ibmp}$ +(notation as in Lemma \ref{Gim_approx}). +Then $q\ot c \in G^{i,m}_*$ and we choose $V_{qc} \sup \supp(q)\cup\supp(c)$ +such that +\[ + N_{i,d}(q\ot c) \subeq V_{qc} \subeq N_{i,d+1}(q\ot c) , +\] +where $d = \deg(q\ot c)$. +Let $\tilde q = f_j(q)$. +The summands of $f_j(p)\ot b$ have the form $\tilde q \ot c$, +where $q\ot c$ is a summand of $g_j(p)\ot b$. +Since the homotopy $f_j$ does not increase supports, we also have that +\[ + V_{qc} \sup \supp(\tilde q) \cup \supp(c) . +\] +So we define $V_{\tilde qc} = V_{qc}$. + +It is now easy to check that we have $V_{qc} \sup V_{q'c'}$ +whenever $q'\ot c'$ appears in the boundary of $q\ot c$. +As in the construction of the maps $e_{i,m}$ above, +this allows us to construct a map +\[ + e_m : G^m_* \to \bc_*(X) +\] +which is well-defined up to homotopy. +As in the proof of Lemma \ref{m_order_hty}, we can show that the map is well-defined up +to $m$-th order homotopy. +Put another way, we have specified an $m$-connected subcomplex of the complex of +all maps $G^m_* \to \bc_*(X)$. +On $G^{m+1}_* \sub G^m_*$ we have defined two maps, $e_m$ and $e_{m+1}$. +One can similarly (to the proof of Lemma \ref{m_order_hty}) show that +these two maps agree up to $m$-th order homotopy. +More precisely, one can show that the subcomplex of maps containing the various +$e_{m+1}$ candidates is contained in the corresponding subcomplex for $e_m$. +\nn{now should remark that we have not, in fact, produced a contractible set of maps, +but we have come very close} @@ -543,18 +599,12 @@ \nn{outline of what remains to be done:} \begin{itemize} -\item We need to assemble the maps for the various $G^{i,m}$ into -a map for all of $CH_*\ot \bc_*$. -One idea: Think of the $g_j$ as a sort of homotopy (from $CH_*\ot \bc_*$ to itself) -parameterized by $[0,\infty)$. For each $p\ot b$ in $CH_*\ot \bc_*$ choose a sufficiently -large $j'$. Use these choices to reparameterize $g_\bullet$ so that each -$p\ot b$ gets pushed as far as the corresponding $j'$. \item Independence of metric, $\ep_i$, $\delta_i$: For a different metric etc. let $\hat{G}^{i,m}$ denote the alternate subcomplexes and $\hat{N}_{i,l}$ the alternate neighborhoods. Main idea is that for all $i$ there exists sufficiently large $k$ such that $\hat{N}_{k,l} \sub N_{i,l}$, and similarly with the roles of $N$ and $\hat{N}$ reversed. -\item prove gluing compatibility, as in statement of main thm +\item prove gluing compatibility, as in statement of main thm (this is relatively easy) \item Also need to prove associativity. \end{itemize}