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diff --git a/vorlesungen/slides/2/hilbertraum/sobolev.tex b/vorlesungen/slides/2/hilbertraum/sobolev.tex new file mode 100644 index 0000000..425c263 --- /dev/null +++ b/vorlesungen/slides/2/hilbertraum/sobolev.tex @@ -0,0 +1,48 @@ +% +% sobolev.tex -- slide template +% +% (c) 2021 Prof Dr Andreas Müller, OST Ostschweizer Fachhochschule +% +\bgroup +\begin{frame}[t] +\setlength{\abovedisplayskip}{5pt} +\setlength{\belowdisplayskip}{5pt} +\frametitle{Sobolev-Raum} +\vspace{-20pt} +\begin{columns}[t,onlytextwidth] +\begin{column}{0.48\textwidth} +\begin{block}{Vektorrraum $W$} +Funktionen $f\colon \Omega\to\mathbb{C}$ +\begin{itemize} +\item +$f\in L^2(\Omega)$ +\item +$\nabla f\in L^2(\Omega)$ +\item +homogene Randbedingungen: +$f_{|\partial \Omega}=0$ +\end{itemize} +\end{block} +\begin{block}{Skalarprodukt} +\begin{align*} +\langle f,g\rangle_W +&= +\int_\Omega \overline{\nabla f}(x)\cdot\nabla g(x)\,d\mu(x) +\\ +&\qquad + \int_{\Omega} \overline{f}(x)\,g(x)\,d\mu(x) +\\ +&=\langle f,-\Delta g + g\rangle_{L^2(\Omega)} +\end{align*} +\end{block} +\end{column} +\begin{column}{0.48\textwidth} +\begin{block}{Vollständigkeit} +\dots +\end{block} +\begin{block}{Anwendung} +``Ein Hilbertraum für jedes partielle Differentialgleichungsproblem'' +\end{block} +\end{column} +\end{columns} +\end{frame} +\egroup |