random-walks: comment out third part and fix formula

literature.bib

@@ -16,27 +16,6 @@
 	year = {2014}
 }
 
-@article{magniez2011SeaviaQuaWal_3,
-	acmid = {2078665},
-	address = {Philadelphia, PA, USA},
-	author = {Magniez, Frederic and Nayak, Ashwin and Roland, Jeremie and Santha, Miklos},
-	doi = {10.1137/090745854},
-	issn = {0097-5397},
-	issue_date = {February 2011},
-	journal = {SIAM J. Comput.},
-	keywords = {Markov chain; amplitude amplification; hitting time; phase estimation; quantum walk; search},
-	month = feb,
-	number = {1},
-	numpages = {23},
-	pages = {142--164},
-	publisher = {Society for Industrial and Applied Mathematics},
-	title = {{Search via Quantum Walk}},
-	url = {http://dx.doi.org/10.1137/090745854},
-	volume = {40},
-	x-fetchedfrom = {ACM Digital Library},
-	year = {2011}
-}
-
 @book{lovett2011Appquawalgrastrtoquacom,
 	author = {Lovett, Neil Brian},
 	publisher = {University of Leeds},

random-walks.tex

@@ -387,7 +387,7 @@
 
     \begin{block}{Hitting Time}
         $p_{a,b}(t)$: Wahrscheinlichkeit $b$ zuerst zu Zeit $t$ von $a$ zu erreichen.
-        \[H_{a,b} = \sum_{t=0}^\infty p_{a,b}(t)\]
+        \[H_{a,b} = \sum_{t=0}^\infty t \cdot p_{a,b}(t)\]
     \end{block}
 
 
@@ -721,6 +721,16 @@
     \tiny Mit freundlicher Genehmigung von Takuya Machida, \url{http://www.kisc.meiji.ac.jp/~tz14040/quantumwalk/english/}
 \end{frame}
 
+\begin{frame}[allowframebreaks]{Quellen}
+    \setbeamertemplate{bibliography entry title}{}
+    \setbeamertemplate{bibliography entry location}{}
+    \setbeamertemplate{bibliography entry note}{}
+    \bibliographystyle{geralpha}
+    \bibliography{literature}{}
+    \nocite*
+\end{frame}
+
+\end{document}
 \section{Search in Big Graphs}
 \subsection{Grovers Algorithmus}
 \begin{frame}[fragile]{Grovers Algorithmus}
@@ -828,13 +838,5 @@
     \end{block}
 \end{frame}
 
-\begin{frame}[allowframebreaks]{Quellen}
-    %\setbeamertemplate{bibliography entry title}{}
-    %\setbeamertemplate{bibliography entry location}{}
-    %\setbeamertemplate{bibliography entry note}{}
-    %\bibliographystyle{geralpha}
-    %\bibliography{literature}{}
-    %\nocite*
-\end{frame}
 
 \end{document}