text/ncat.tex
changeset 557 5fdf1488ce20
parent 555 11532ce39ec0
child 559 62a402dd3e6e
equal deleted inserted replaced
556:4f008d0a29d4 557:5fdf1488ce20
  1843 	\path (\qa:1) node {\color{green!50!brown} $\cA_\n$};
  1843 	\path (\qa:1) node {\color{green!50!brown} $\cA_\n$};
  1844 	\path (\qm+20:2.5) node(M\n) {\color{green!50!brown} $\cM_\n$};
  1844 	\path (\qm+20:2.5) node(M\n) {\color{green!50!brown} $\cM_\n$};
  1845 	\draw[line width=1pt, green!50!brown, ->] (M\n.\qm+135) to[out=\qm+135,in=\qm+90] (\qm+5:1.3);
  1845 	\draw[line width=1pt, green!50!brown, ->] (M\n.\qm+135) to[out=\qm+135,in=\qm+90] (\qm+5:1.3);
  1846 }
  1846 }
  1847 \end{tikzpicture}
  1847 \end{tikzpicture}
  1848 \caption{Cone on a marked circle}
  1848 \caption{Cone on a marked circle, the prototypical 1-marked ball}
  1849 \label{feb21d}
  1849 \label{feb21d}
  1850 \end{figure}
  1850 \end{figure}
  1851 
  1851 
  1852 A $n$-category 1-sphere module is, among other things, an $n{-}2$-category $\cD$ with
  1852 A $n$-category 1-sphere module is, among other things, an $n{-}2$-category $\cD$ with
  1853 \[
  1853 \[
  2235 
  2235 
  2236 We define product $n{+}1$-morphisms to be identity maps of modules.
  2236 We define product $n{+}1$-morphisms to be identity maps of modules.
  2237 
  2237 
  2238 To define (binary) composition of $n{+}1$-morphisms, choose the obvious common equator
  2238 To define (binary) composition of $n{+}1$-morphisms, choose the obvious common equator
  2239 then compose the module maps.
  2239 then compose the module maps.
  2240 
  2240 Associativity of this composition rules follows from repeated application of the adjoint identity between
  2241 
  2241 the maps of Figures \ref{jun23b} and \ref{jun23c}.
  2242 \nn{still to do: associativity}
  2242 
       
  2243 
       
  2244 %\nn{still to do: associativity}
  2243 
  2245 
  2244 \medskip
  2246 \medskip
  2245 
  2247 
  2246 %\nn{Stuff that remains to be done (either below or in an appendix or in a separate section or in
  2248 %\nn{Stuff that remains to be done (either below or in an appendix or in a separate section or in
  2247 %a separate paper): discuss Morita equivalence; functors}
  2249 %a separate paper): discuss Morita equivalence; functors}