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Chair for Foundations of Software Reliability and Theoretical Computer Science
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Automata and Formal Languages 2016/17

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Lecture notes

  • The lecture notes can be found here. Notice that some pages use color! Printed copies can be obtained from the Fachschaft at a very low price, if some student volunteers to organize the process.

    The lecture notes have already been revised several times, but it may still contain typos or mistakes. Please email me if you find some. If there is some important error then I will call your attention to it through the News.

  • Here you can find an online collection of examples. It is seriously outdated, it was written for an old version of the script.


  • My slides for the course Introduction to Theoretical Computer Science (in German), with the material on Automata Theory of which we assume knowledge (NFAs, DFAs, regular expressions, conversion algorithms, closure under boolean operations, pumping lemma, minimal DFAs).
  • Debasis Mitra's slides from his introductory lecture (in English). Remark: this is just one of the many sets of slides available on line.
  • John E. Hopcroft, Rajeev Motwani, Jeffrey D. Ullman;
    Introduction to Automata Theory, Languages and Computation;
    Addison-Wesley Longman, 3rd edition, 2006.
  • John Martin;
    Introduction to Languages and the Theory of Computation;
    McGraw-Hill, 2002.
  • Michael Sipser;
    Introduction to the Theory of Computation;
    Course Technology, 2005.
  • Joerg Flum, Erich Graedel, Thomas Wilke (eds.);
    Logic and Automata: History and Perspectives, Volume 2;
    Amsterdam University Press, 2008.
  • Dominique Perrin, Jean-Eric Pin;
    Infinite Words: Automata, Semigroups, Logic and Games;
    Academic Press, 2004.


Here are the slides. During the course in WS16/17 I have corrected some typos, and rewritten the last two sets of slides (emptiness checking and verifcaition of liveness properties). If you only downloaded the slides at the beginning of the course, it is advisable to download them again.


In both exercises and class we will demonstrate and use a number of tools to illustrate the theory and to present typical applications. They may include:
  • JFLAP. Automata on finite words
  • SPIN. Verification using automata on infinite words
  • MONA. Logic and automata connection.
  • LTL2BA. Automata and temporal logic.
  • GOAL. B├╝chi Automata and temporal logic, interactive graphical tool
  • JFLAP Game. A game for practicing automata, regular expression and temporal logic interconvertions.