text/deligne.tex
changeset 538 123a8b83e02c
parent 534 2b1d52c41ac5
child 556 4f008d0a29d4
equal deleted inserted replaced
537:0b5c9bc25191 538:123a8b83e02c
   105 leaving the $M_i$ and $N_i$ fixed.
   105 leaving the $M_i$ and $N_i$ fixed.
   106 (Keep in mind the case $R'_i = R_i$.)
   106 (Keep in mind the case $R'_i = R_i$.)
   107 (See Figure \ref{xdfig3}.)
   107 (See Figure \ref{xdfig3}.)
   108 \begin{figure}[t]
   108 \begin{figure}[t]
   109 $$\mathfig{.4}{deligne/dfig3a} \to \mathfig{.4}{deligne/dfig3b} $$
   109 $$\mathfig{.4}{deligne/dfig3a} \to \mathfig{.4}{deligne/dfig3b} $$
   110 \caption{Conjugating by a homeomorphism
   110 \caption{Conjugating by a homeomorphism.}
   111 \label{xdfig3}
   111 \label{xdfig3}
   112 \end{figure}
   112 \end{figure}
   113 \item If $M_i = M'_i \du M''_i$ and $N_i = N'_i \du N''_i$ (and there is a
   113 \item If $M_i = M'_i \du M''_i$ and $N_i = N'_i \du N''_i$ (and there is a
   114 compatible disjoint union of $\bd M = \bd N$), we can replace
   114 compatible disjoint union of $\bd M = \bd N$), we can replace
   115 \begin{eqnarray*}
   115 \begin{eqnarray*}
   120 	(\ldots, f_{i-1}, f_i, \ldots) &\to& (\ldots, f_{i-1}, \rm{id}, f_i, \ldots) .
   120 	(\ldots, f_{i-1}, f_i, \ldots) &\to& (\ldots, f_{i-1}, \rm{id}, f_i, \ldots) .
   121 \end{eqnarray*}
   121 \end{eqnarray*}
   122 (See Figure \ref{xdfig1}.)
   122 (See Figure \ref{xdfig1}.)
   123 \begin{figure}[t]
   123 \begin{figure}[t]
   124 $$\mathfig{.3}{deligne/dfig1a} \leftarrow \mathfig{.3}{deligne/dfig1b} \rightarrow \mathfig{.3}{deligne/dfig1c}$$
   124 $$\mathfig{.3}{deligne/dfig1a} \leftarrow \mathfig{.3}{deligne/dfig1b} \rightarrow \mathfig{.3}{deligne/dfig1c}$$
   125 \caption{Changing the order of a surgery}\label{xdfig1}
   125 \caption{Changing the order of a surgery.}\label{xdfig1}
   126 \end{figure}
   126 \end{figure}
   127 \end{itemize}
   127 \end{itemize}
   128 
   128 
   129 Note that the second equivalence increases the number of holes (or arity) by 1.
   129 Note that the second equivalence increases the number of holes (or arity) by 1.
   130 We can make a similar identification with the roles of $M'_i$ and $M''_i$ reversed.
   130 We can make a similar identification with the roles of $M'_i$ and $M''_i$ reversed.