1683 \]

  1683 \]

  1684 which is natural with respect to the actions of homeomorphisms.}

  1684 which is natural with respect to the actions of homeomorphisms.}

  1685 \end{lem}

  1685 \end{lem}

  1686 Again, this is in exact analogy with Lemma \ref{lem:domain-and-range}, and illustrated in Figure \ref{fig:module-boundary}.

  1686 Again, this is in exact analogy with Lemma \ref{lem:domain-and-range}, and illustrated in Figure \ref{fig:module-boundary}.

  1687 \begin{figure}[t]

  1687 \begin{figure}[t]

  1689 

  1689 

  1690 \begin{equation*}

  1690 \begin{equation*}

  1691 \begin{tikzpicture}[baseline=0]

  1691 \begin{tikzpicture}[baseline=0]

  1692 \coordinate (a) at (0,1);

  1692 \coordinate (a) at (0,1);

  1693 \coordinate (b) at (4,1);

  1693 \coordinate (b) at (4,1);