adjusted drawing

tikz/topology-kartenwechsel/topology-kartenwechsel.tex

@@ -1,13 +1,21 @@
 \documentclass[varwidth=true, border=2pt]{standalone}
 \usepackage{amsmath,amssymb}% math symbols / fonts
 \usepackage{tikz}
-\usepackage{tqft}
 \usetikzlibrary{patterns}
 
 \begin{document}
-    \begin{tikzpicture}[tqft/flow=east]
+    \begin{tikzpicture}
         \draw (0,0) ellipse (2cm and 1cm);
-        \draw (0,-2) ellipse (3cm and 0.8cm);
+        \begin{scope}[xshift=-2.2cm,yshift=-2.8cm]
+            \draw[->] (0,0) -- (0,1.5);
+            \draw[->] (0,0) -- (1.5,0);
+            \node at (0.3,0.16) {$\mathbb{R}^n$};
+        \end{scope}
+        \begin{scope}[xshift=0.4cm,yshift=-2.8cm]
+            \draw[->] (0,0) -- (0,1.5);
+            \draw[->] (0,0) -- (1.5,0);
+            \node at (0.3,0.16) {$\mathbb{R}^n$};
+        \end{scope}
         \def\ringa{(-0.3,0) circle (0.5cm)}
         \def\ringb{(+0.3,0) circle (0.5cm)}
 
@@ -33,8 +41,6 @@
         \node at (-1.9,-2) {$V_i$};
         \node at (+1.9,-2) {$V_j$};
         \node at (+2.0,0.7) {$X$};
-        \node at (+2.4,-1.3) {$\mathbb{R}^n$};
-
 
         \path[->] (-0.35,0)  edge [bend angle=10,bend right] node[label={[label distance=0.1cm]210:$\varphi_i$}] {} (-1,-1.5);
         \path[->] (+0.35,0)  edge [bend angle=10,bend left]  node[label={[label distance=0.1cm]-30:$\varphi_j$}] {} (+1,-1.5);