|     25 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |     25 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% | 
|     26 \begin{frame}[t] |     26 \begin{frame}[t] | 
|     27 \frametitle{% |     27 \frametitle{% | 
|     28   \begin{tabular}{@ {}c@ {}} |     28   \begin{tabular}{@ {}c@ {}} | 
|     29   \\[-3mm] |     29   \\[-3mm] | 
|     30   \LARGE Compilers and \\[-2mm]  |     30   \LARGE Compilers and \\[-1mm]  | 
|     31   \LARGE Formal Languages\\[3mm]  |     31   \LARGE Formal Languages\\[-5mm]  | 
|     32   \end{tabular}} |     32   \end{tabular}} | 
|     33  |     33  | 
|     34   \normalsize |     34   \normalsize | 
|     35   \begin{center} |     35   \begin{center} | 
|     36   \begin{tabular}{ll} |     36   \begin{tabular}{ll} | 
|     37     Email:  & christian.urban at kcl.ac.uk\\ |     37   Email:  & christian.urban at kcl.ac.uk\\ | 
|     38     %Office Hours: & Thursdays 12 -- 14\\ |     38   Office Hour: & Fridays 11 -- 12\\ | 
|     39     %Location: & N7.07 (North Wing, Bush House)\\ |     39   Location: & N7.07 (North Wing, Bush House)\\ | 
|     40     Slides \& Progs: & KEATS (also homework is there)\\   |     40   Slides \& Progs: & KEATS\\ | 
|         |     41   Pollev: & \texttt{\alert{https://pollev.com/cfltutoratki576}}\\   | 
|     41   \end{tabular} |     42   \end{tabular} | 
|     42 \end{center} |     43   \end{center} | 
|     43  |     44  | 
|     44   \begin{center} |     45   \begin{center} | 
|     45     \begin{tikzpicture} |     46     \begin{tikzpicture} | 
|     46       \node[drop shadow,fill=white,inner sep=0pt]  |     47       \node[drop shadow,fill=white,inner sep=0pt]  | 
|     47       {\footnotesize\rowcolors{1}{capri!10}{white} |     48       {\footnotesize\rowcolors{1}{capri!10}{white} | 
|   1703 But requires that the automaton is \alert{completed}! |   1704 But requires that the automaton is \alert{completed}! | 
|   1704  |   1705  | 
|   1705 \end{frame} |   1706 \end{frame} | 
|   1706 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |   1707 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% | 
|   1707  |   1708  | 
|         |   1709 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% | 
|         |   1710 { | 
|         |   1711 \setbeamercolor{background canvas}{bg=cream} | 
|         |   1712 \begin{frame}[c] | 
|         |   1713  | 
|         |   1714 \begin{center} | 
|         |   1715 \begin{tikzpicture}[scale=1.5,>=stealth',very thick, | 
|         |   1716                     every state/.style={minimum size=0pt, | 
|         |   1717                     draw=blue!50,very thick,fill=blue!20}] | 
|         |   1718   \node[state,initial]   (q0) at (0,2) {$q_0$}; | 
|         |   1719   \node[state,accepting] (q1) at (2,2) {$q_1$}; | 
|         |   1720   \node[state]           (q2) at (0,0) {$q_2$}; | 
|         |   1721   \node[state]           (q3) at (2,0) {$q_3$}; | 
|         |   1722  | 
|         |   1723   \path[->] (q0) edge[bend left] node[above] {\alert{$a$}} (q1) | 
|         |   1724             (q1) edge[bend left] node[above] {\alert{$a$}} (q0) | 
|         |   1725             (q2) edge[bend left] node[above] {\alert{$a$}} (q3) | 
|         |   1726             (q3) edge[bend left] node[above] {\alert{$a$}} (q2) | 
|         |   1727             (q0) edge[bend left] node[right] {\alert{$b$}} (q2) | 
|         |   1728             (q2) edge[bend left] node[left]  {\alert{$b$}} (q0) | 
|         |   1729             (q1) edge[bend left] node[right] {\alert{$b$}} (q3) | 
|         |   1730             (q3) edge[bend left] node[left]  {\alert{$b$}} (q1); | 
|         |   1731 \end{tikzpicture} | 
|         |   1732 \end{center} | 
|         |   1733  | 
|         |   1734 \hfill{}Which language? | 
|         |   1735  | 
|         |   1736 \end{frame} | 
|         |   1737 } | 
|         |   1738 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% | 
|         |   1739  | 
|         |   1740  | 
|   1708  |   1741  | 
|   1709 \begin{frame}<1-15>[c] |   1742 \begin{frame}<1-15>[c] | 
|   1710  |   1743  | 
|   1711 \end{frame} |   1744 \end{frame} | 
|   1712  |   1745  |