misc

tikz/topology-continuous-mapping/topology-continuous-mapping.tex

@@ -18,21 +18,19 @@
 }
 \begin{tikzpicture}
   
-  \draw[->] (-0.5,0) -- (1.5,0) node [below] {$\mathbb{R}$};
+    \draw[->] (-0.5,0) -- (1.5,0) node [below] {$\mathbb{R}$};
 
-  \foreach \x in {0,...,1}
-    \draw (\x,0.1) -- (\x,-0.1) node [below] {\x};
+    \foreach \x in {0,...,1}
+        \draw (\x,0.1) -- (\x,-0.1) node [below] {\x};
 
 
-  \draw[red] (0.07,0.1) -- (0,0.1) -- (0,-0.1) -- (0.07,-0.1) node [below] {};
-  \draw[red] plot [smooth] coordinates{(0.47,0.1) (0.5,0) (0.47,-0.1)};
+    \draw[red] (0.07,0.1) -- (0,0.1) -- (0,-0.1) -- (0.07,-0.1) node [below] {};
+    \draw[red] plot [smooth] coordinates{(0.47,0.1) (0.5,0) (0.47,-0.1)};
 
     \begin{scope}[shift={(4,0)}]
         \draw[thick] (0cm,0cm) circle(1cm);
         \draw[thick, red] ([shift={(180:1cm)}]-0.0,0) arc (180:0:1cm);
         \draw (0:1cm) node[point, label=right:{$0$}] {};
-        %\path node[point, blue, label={[blue,above]{$\overline{a}$}}] (posU) at (-252:1cm) {};
-        %\path node[label={[red,left]{$U$}}] at (30:1cm) {};
     \end{scope}
 
     \coordinate (circleUp)       at (2.6, 0.1);
@@ -42,12 +40,5 @@
 
     \path[->] (numberlineUp)   edge  [bend left]  node[label=$f$]  {} (circleUp);
     \path[<-] (numberlineDown) edge  [bend right] node[label=below:$g$]  {} (circleDown);
-
-    %\draw (3.7cm,0cm) node[point, blue, label={[blue,above]{$a$}}] (posA) {};
-    %\draw (0.7cm,0cm) node[point, blue, label={[blue,above]{$\pi^{-1}(u)$}}] {};
-    %\draw[dashed, blue, thick] plot [smooth] coordinates{(posU) (0.2,-0.8) (2.5,-1) (posA)};
-
-    %\draw[blue, dashed, thick] (3.7cm,0cm) arc (0:180:1.5 and 0.5);
-
 \end{tikzpicture}
 \end{document}