\chapter*{Symbolverzeichnis} \addcontentsline{toc}{chapter}{Symbolverzeichnis} \begin{minipage}[t]{0.45\textwidth} %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Mengenoperationen % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \section*{Mengenoperationen} $A^C\;\;\;$ Komplement der Menge $A$\\ $\mathcal{P}(M)\;\;\;$ Potenzmenge von $M$\\ $\overline{M}\;\;\;$ Abschluss der Menge $M$\\ $\partial M\;\;\;$ Rand der Menge $M$\\ $M^\circ\;\;\;$ Inneres der Menge $M$\\ $A \times B\;\;\;$ Kreuzprodukt zweier Mengen\\ $A \subseteq B\;\;\;$ Teilmengenbeziehung\\ $A \subsetneq B\;\;\;$ echte Teilmengenbeziehung\\ $A \setminus B\;\;\;$ $A$ ohne $B$\\ $A \cup B\;\;\;$ Vereinigung\\ $A \dcup B\;\;\;$ Disjunkte Vereinigung\\ $A \cap B\;\;\;$ Schnitt\\ %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Zahlenmengen % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \section*{Zahlenmengen} $\mdn\;\;\;$ Natürliche Zahlen $(\Set{1, 2, 3, \dots})$\\ $\mdz\;\;\;$ Ganze Zahlen ($\mdn \cup \Set{0, -1, -2, \dots}$)\\ $\mdq\;\;\;$ Rationale Zahlen ($\mdz \cup \Set{\frac{1}{2}, \frac{1}{3}, \frac{2}{3}}$)\\ $\mdr\;\;\;$ Reele Zahlen ($\mdq \cup \Set{\sqrt{2}, -\sqrt[3]{3}, \dots}$)\\ $\mdr^+\;$ Echt positive reele Zahlen\\ $\mdr^\times\;$ Einheitengruppe von $\mdr$ ($\mdr \setminus \Set{0}$)\\ $\mdc\;\;\;$ Komplexe Zahlen ($\Set{a+ib|a,b \in \mdr}$)\\ $\mdp\;\;\;$ Primzahlen ($2, 3, 5, 7, \dots$)\\ \section*{Geometrie} $AB\;\;\;$ Gerade durch die Punkte $A$ und $B$\\ $\overline{AB}\;\;\;$ Strecke mit Endpunkten $A$ und $B$\\ $\triangle ABC\;\;\;$ Dreieck mit Eckpunkten $A, B, C$\\ \end{minipage} \begin{minipage}[t]{0.45\textwidth} %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Gruppen % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \section*{Gruppen} $\Homoo(X)\;\;\;$ Homöomorphismengruppe\\ $\Iso(X)\;\;\;$ Isometriengruppe\\ $\GL_n(K)\;\;\;$ Allgemeine lineare Gruppe (general linear group)\\ $\Perm(X)\;\;\;$ Permutationsgruppe\\ $\Sym(X)\;\;\;$ Symmetrische Gruppe %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Weiteres % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \section*{Weiteres} $\fB\;\;\;$ Basis einer Topologie\\ $\fB_\delta(x)\;\;\;$ $\delta$-Kugel um $x$\\ $\fT\;\;\;$ Topologie\\ $\praum\;\;\;$ Projektiver Raum\\ $\langle \cdot , \cdot \rangle\;\;\;$ Skalarprodukt\\ $X /_\sim\;\;\;$ $X$ modulo $\sim$\\ $[x]_\sim\;\;\;$ Äquivalenzklassen von $x$ bzgl. $\sim$\\ $\| x \|\;\;\;$ Norm von $x$\\ $| x |\;\;\;$ Betrag von $x$\\ $S^n\;\;\;$ Sphäre\\ $T^n\;\;\;$ Torus\\ $[\gamma]\;\;\;$ Homotopieklasse eines Weges $\gamma$\\ $\pi_X\;\;\;$ Projektion auf $X$\\ $f|_U\;\;\;$ $f$ eingeschränkt auf $U$\\ $f^{-1}(M)\;\;\;$ Urbild von $M$\\ $\text{Rg}(M)\;\;\;$ Rang von $M$\\ $\chi(K)\;\;\;$ Euler-Charakteristik von $K$\\ $\Delta^k\;\;\;$ Standard-Simplex\\ $X \# Y\;\;\;$ Verklebung von $X$ und $Y$\\ $\gamma_1 * \gamma_2\;\;\;$ Zusammenhängen von Wegen\\ \end{minipage} $f:S^1 \hookrightarrow \mdr^2\;\;\;$ Einbettung der Kreislinie in die Ebene\\ $\pi_1(X,x)\;\;\;$ Fundamentalgruppe im topologischen Raum $X$ um $x \in X$\\ $\Fix(f)\;\;\;$ Menge der Fixpunkte der Abbildung $f$ \index{Faser|see{Urbild}}