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  1. 2012

  2. Homomorphisms preserving deterministic context-free languages

    Lehtinen, T. & Okhotin, A., 2012, Developments in Language Theory - 16th International Conference, DLT 2012, Proceedings. p. 154-165 12 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 7410 LNCS).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  3. On the number of nonterminal symbols in unambiguous conjunctive grammars

    Jez, A. & Okhotin, A., 2012, Descriptional Complexity of Formal Systems - 14th International Workshop, DCFS 2012, Proceedings. p. 183-195 13 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 7386 LNCS).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  4. 2011

  5. State complexity of union and intersection for two-way nondeterministic finite automata

    Kunc, M. & Okhotin, A., 20 Sep 2011, In: Fundamenta Informaticae. 110, 1-4, p. 231-239 9 p.

    Research output: Contribution to journal › Article › peer-review

  6. On the state complexity of star of union and star of intersection

    Jirásková, G. & Okhotin, A., 16 Sep 2011, In: Fundamenta Informaticae. 109, 2, p. 161-178 18 p.

    Research output: Contribution to journal › Article › peer-review

  7. Expressive power of LL(k) boolean grammars

    Okhotin, A., 9 Sep 2011, In: Theoretical Computer Science. 412, 39, p. 5132-5155 24 p.

    Research output: Contribution to journal › Article › peer-review

  8. State complexity of operations on two-way deterministic finite automata over a unary alphabet

    Kunc, M. & Okhotin, A., 11 Aug 2011, Descriptional Complexity of Formal Systems - 13th International Workshop, DCFS 2011, Proceedings. p. 222-234 13 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 6808 LNCS).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  9. One-Nonterminal Conjunctive Grammars over a Unary Alphabet

    Jez, A. & Okhotin, A., 1 Aug 2011, In: Theory of Computing Systems. 49, 2, p. 319-342 24 p.

    Research output: Contribution to journal › Article › peer-review

  10. Describing periodicity in two-way deterministic finite automata using transformation semigroups

    Kunc, M. & Okhotin, A., 29 Jul 2011, Developments in Language Theory - 15th International Conference, DLT 2011, Proceedings. p. 324-336 13 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 6795 LNCS).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  11. Descriptional complexity of unambiguous nested word automata

    Okhotin, A. & Salomaa, K., 8 Jun 2011, Language and Automata Theory and Applications - 5th International Conference, LATA 2011, Proceedings. p. 414-426 13 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 6638 LNCS).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  12. On equations over sets of numbers and their limitations

    Lehtinen, T. & Okhotin, A., Feb 2011, In: International Journal of Foundations of Computer Science. 22, 2, p. 377-393 17 p.

    Research output: Contribution to journal › Article › peer-review

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