text/ncat.tex
changeset 437 93ce0ba3d2d7
parent 426 8aca80203f9d
child 438 0d62ea7c653d
equal deleted inserted replaced
430:c5a35886cd82 437:93ce0ba3d2d7
   617 \[
   617 \[
   618 	C_*(\Homeo_\bd(X))\ot \cC(X; c) \to \cC(X; c) .
   618 	C_*(\Homeo_\bd(X))\ot \cC(X; c) \to \cC(X; c) .
   619 \]
   619 \]
   620 These action maps are required to be associative up to homotopy
   620 These action maps are required to be associative up to homotopy
   621 \nn{iterated homotopy?}, and also compatible with composition (gluing) in the sense that
   621 \nn{iterated homotopy?}, and also compatible with composition (gluing) in the sense that
   622 a diagram like the one in Proposition \ref{CHprop} commutes.
   622 a diagram like the one in Theorem \ref{thm:CH} commutes.
   623 \nn{repeat diagram here?}
   623 \nn{repeat diagram here?}
   624 \nn{restate this with $\Homeo(X\to X')$?  what about boundary fixing property?}
   624 \nn{restate this with $\Homeo(X\to X')$?  what about boundary fixing property?}
   625 \end{axiom}
   625 \end{axiom}
   626 
   626 
   627 We should strengthen the above axiom to apply to families of collar maps.
   627 We should strengthen the above axiom to apply to families of collar maps.
  1369 \[
  1369 \[
  1370 	C_*(\Homeo_\bd(M))\ot \cM(M; c) \to \cM(M; c) .
  1370 	C_*(\Homeo_\bd(M))\ot \cM(M; c) \to \cM(M; c) .
  1371 \]
  1371 \]
  1372 Here $C_*$ means singular chains and $\Homeo_\bd(M)$ is the space of homeomorphisms of $M$
  1372 Here $C_*$ means singular chains and $\Homeo_\bd(M)$ is the space of homeomorphisms of $M$
  1373 which fix $\bd M$.
  1373 which fix $\bd M$.
  1374 These action maps are required to be associative up to homotopy, 
  1374 These action maps are required to be associative up to homotopy, as in Theorem \ref{thm:CH-associativity}, 
  1375 and also compatible with composition (gluing) in the sense that
  1375 and also compatible with composition (gluing) in the sense that
  1376 a diagram like the one in Proposition \ref{CHprop} commutes.
  1376 a diagram like the one in Theorem \ref{thm:CH} commutes.
  1377 \end{module-axiom}
  1377 \end{module-axiom}
  1378 
  1378 
  1379 As with the $n$-category version of the above axiom, we should also have families of collar maps act.
  1379 As with the $n$-category version of the above axiom, we should also have families of collar maps act.
  1380 
  1380 
  1381 \medskip
  1381 \medskip