diff -r e0b304e6b975 -r e1d24be683bb text/evmap.tex --- a/text/evmap.tex Wed Oct 28 00:54:35 2009 +0000 +++ b/text/evmap.tex Wed Oct 28 02:44:29 2009 +0000 @@ -5,7 +5,7 @@ Let $CD_*(X, Y)$ denote $C_*(\Diff(X \to Y))$, the singular chain complex of the space of diffeomorphisms -\nn{or homeomorphisms} +\nn{or homeomorphisms; need to fix the diff vs homeo inconsistency} between the $n$-manifolds $X$ and $Y$ (extending a fixed diffeomorphism $\bd X \to \bd Y$). For convenience, we will permit the singular cells generating $CD_*(X, Y)$ to be more general than simplices --- they can be based on any linear polyhedron. @@ -19,14 +19,22 @@ } On $CD_0(X, Y) \otimes \bc_*(X)$ it agrees with the obvious action of $\Diff(X, Y)$ on $\bc_*(X)$ (Proposition (\ref{diff0prop})). -For any splittings $X = X_1 \cup X_2$ and $Y = Y_1 \cup Y_2$, +For any compatible splittings $X\to X\sgl$ and $Y\to Y\sgl$, the following diagram commutes up to homotopy \eq{ \xymatrix{ - CD_*(X, Y) \otimes \bc_*(X) \ar[r]^{e_{XY}} & \bc_*(Y) \\ - CD_*(X_1, Y_1) \otimes CD_*(X_2, Y_2) \otimes \bc_*(X_1) \otimes \bc_*(X_2) - \ar@/_4ex/[r]_{e_{X_1Y_1} \otimes e_{X_2Y_2}} \ar[u]^{\gl \otimes \gl} & - \bc_*(Y_1) \otimes \bc_*(Y_2) \ar[u]_{\gl} + CD_*(X\sgl, Y\sgl) \otimes \bc_*(X\sgl) \ar[r]^(.7){e_{X\sgl Y\sgl}} & \bc_*(Y\sgl) \\ + CD_*(X, Y) \otimes \bc_*(X) + \ar@/_4ex/[r]_{e_{XY}} \ar[u]^{\gl \otimes \gl} & + \bc_*(Y) \ar[u]_{\gl} } } +%For any splittings $X = X_1 \cup X_2$ and $Y = Y_1 \cup Y_2$, +%the following diagram commutes up to homotopy +%\eq{ \xymatrix{ +% CD_*(X, Y) \otimes \bc_*(X) \ar[r]^{e_{XY}} & \bc_*(Y) \\ +% CD_*(X_1, Y_1) \otimes CD_*(X_2, Y_2) \otimes \bc_*(X_1) \otimes \bc_*(X_2) +% \ar@/_4ex/[r]_{e_{X_1Y_1} \otimes e_{X_2Y_2}} \ar[u]^{\gl \otimes \gl} & +% \bc_*(Y_1) \otimes \bc_*(Y_2) \ar[u]_{\gl} +%} } Any other map satisfying the above two properties is homotopic to $e_X$. \end{prop}