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Viliam Geffert: [Publications] [Author Rank by year] [Co-authors] [Prefers] [Cites] [Cited by]

Publications of Author

  1. Viliam Geffert, Carlo Mereghetti, Giovanni Pighizzini
    Complementing Two-Way Finite Automata. [Citation Graph (0, 0)][DBLP]
    Developments in Language Theory, 2005, pp:260-271 [Conf]
  2. Gianni Franceschini, Viliam Geffert
    An In-Place Sorting with O(n log n) Comparisons and O(n) Moves. [Citation Graph (0, 0)][DBLP]
    FOCS, 2003, pp:242-250 [Conf]
  3. Viliam Geffert
    Nondeterministic Computations in Sublogarithmic Space and Space Constructibility. [Citation Graph (0, 0)][DBLP]
    ICALP, 1990, pp:111-124 [Conf]
  4. Viliam Geffert
    Space Hierarchy Theorem Revised. [Citation Graph (0, 0)][DBLP]
    MFCS, 2001, pp:387-397 [Conf]
  5. Viliam Geffert
    Magic Numbers in the State Hierarchy of Finite Automata. [Citation Graph (0, 0)][DBLP]
    MFCS, 2006, pp:412-423 [Conf]
  6. Viliam Geffert
    Grammars with Context Dependency Restricted to Synchronization. [Citation Graph (0, 0)][DBLP]
    MFCS, 1986, pp:370-378 [Conf]
  7. Viliam Geffert
    Context-Free-Like Forms for the Phrase-Structure Grammars. [Citation Graph (0, 0)][DBLP]
    MFCS, 1988, pp:309-317 [Conf]
  8. Viliam Geffert
    Speed-Up Theorem Without Tape Compression. [Citation Graph (0, 0)][DBLP]
    MFCS, 1990, pp:285-291 [Conf]
  9. Viliam Geffert
    Bridging Across the log(n) Space Frontier. [Citation Graph (0, 0)][DBLP]
    MFCS, 1995, pp:50-65 [Conf]
  10. Viliam Geffert, Carlo Mereghetti, Giovanni Pighizzini
    Converting Two-Way Nondeterministic Unary Automata into Simpler Automata. [Citation Graph (0, 0)][DBLP]
    MFCS, 2001, pp:398-407 [Conf]
  11. Viliam Geffert, Norbert Popély
    Refinement of the Alternating Space Hierarchy. [Citation Graph (0, 0)][DBLP]
    Computers and Artificial Intelligence, 2002, v:21, n:6, pp:- [Journal]
  12. Viliam Geffert, Ján Kollár
    Linear-Time In-Place Selection with epsilon.n Element Moves. [Citation Graph (0, 0)][DBLP]
    Computers and Artificial Intelligence, 2006, v:25, n:4, pp:- [Journal]
  13. Gianni Franceschini, Viliam Geffert
    An In-Place Sorting with O(n log n) Comparisons and O(n) Moves [Citation Graph (0, 0)][DBLP]
    CoRR, 2003, v:0, n:, pp:- [Journal]
  14. Viliam Geffert
    How to Generate Languages Using Only Two Pairs of Parentheses. [Citation Graph (0, 0)][DBLP]
    Elektronische Informationsverarbeitung und Kybernetik, 1991, v:27, n:5/6, pp:303-315 [Journal]
  15. Viliam Geffert
    Bridging Across the log(n) Space Frontier. [Citation Graph (0, 0)][DBLP]
    Inf. Comput., 1998, v:142, n:2, pp:127-158 [Journal]
  16. Helmut Alt, Viliam Geffert, Kurt Mehlhorn
    A Lower Bound for the Nondeterministic Space Complexity of Context-Free Recognition. [Citation Graph (0, 0)][DBLP]
    Inf. Process. Lett., 1992, v:42, n:1, pp:25-27 [Journal]
  17. Viliam Geffert
    Normal forms for phrase-structure grammars. [Citation Graph (0, 0)][DBLP]
    ITA, 1991, v:25, n:, pp:473-498 [Journal]
  18. Viliam Geffert
    Sublogarithmic Sigma2-Space is not Closed under Complement and Other Separation Results. [Citation Graph (0, 0)][DBLP]
    ITA, 1993, v:27, n:4, pp:349-366 [Journal]
  19. Viliam Geffert
    A Hierarchy That Does Not Collapse: Alternations in Low Level Space. [Citation Graph (0, 0)][DBLP]
    ITA, 1994, v:28, n:5, pp:465-512 [Journal]
  20. Viliam Geffert, Norbert Popély
    A space lower bound for acceptance by one-way II2-alternating machines. [Citation Graph (0, 0)][DBLP]
    ITA, 2000, v:34, n:5, pp:357-372 [Journal]
  21. Gianni Franceschini, Viliam Geffert
    An in-place sorting with O(nlog n) comparisons and O(n) moves. [Citation Graph (0, 0)][DBLP]
    J. ACM, 2005, v:52, n:4, pp:515-537 [Journal]
  22. Viliam Geffert
    Translation of binary regular expressions into nondeterministic [epsiv]-free automata with transitions. [Citation Graph (0, 0)][DBLP]
    J. Comput. Syst. Sci., 2003, v:66, n:3, pp:451-472 [Journal]
  23. Viliam Geffert
    Nondeterministic Computations in Sublogarithmic Space and Space Constructibility. [Citation Graph (0, 0)][DBLP]
    SIAM J. Comput., 1991, v:20, n:3, pp:484-498 [Journal]
  24. Viliam Geffert
    Tally Versions of the Savitch and Immerman-Szelepcsenyi Theorems for Sublogarithmic Space. [Citation Graph (0, 0)][DBLP]
    SIAM J. Comput., 1993, v:22, n:1, pp:102-113 [Journal]
  25. Viliam Geffert, Carlo Mereghetti, Giovanni Pighizzini
    Sublogarithmic Bounds on Space and Reversals. [Citation Graph (0, 0)][DBLP]
    SIAM J. Comput., 1998, v:28, n:1, pp:325-340 [Journal]
  26. Viliam Geffert
    A variant of inductive counting. [Citation Graph (0, 0)][DBLP]
    Theor. Comput. Sci., 2000, v:237, n:1-2, pp:465-475 [Journal]
  27. Viliam Geffert
    Space hierarchy theorem revised. [Citation Graph (0, 0)][DBLP]
    Theor. Comput. Sci., 2003, v:1, n:, pp:171-187 [Journal]
  28. Viliam Geffert
    A Representation of Recursively Enumerable Languages by Two Homomorphisms and a Quotient. [Citation Graph (0, 0)][DBLP]
    Theor. Comput. Sci., 1988, v:62, n:3, pp:235-249 [Journal]
  29. Viliam Geffert
    A Speed-Up Theorem Without Tape Compression. [Citation Graph (0, 0)][DBLP]
    Theor. Comput. Sci., 1993, v:118, n:1, pp:49-79 [Journal]
  30. Viliam Geffert
    A Communication Hierarchy of Parallel Computations. [Citation Graph (0, 0)][DBLP]
    Theor. Comput. Sci., 1998, v:198, n:1-2, pp:99-130 [Journal]
  31. Viliam Geffert, Jyrki Katajainen, Tomi Pasanen
    Asymptotically efficient in-place merging. [Citation Graph (0, 0)][DBLP]
    Theor. Comput. Sci., 2000, v:237, n:1-2, pp:159-181 [Journal]
  32. Viliam Geffert, Carlo Mereghetti, Giovanni Pighizzini
    Converting two-way nondeterministic unary automata into simpler automata. [Citation Graph (0, 0)][DBLP]
    Theor. Comput. Sci., 2003, v:1, n:, pp:189-203 [Journal]
  33. Viliam Geffert, Carlo Mereghetti, Giovanni Pighizzini
    Complementing two-way finite automata. [Citation Graph (0, 0)][DBLP]
    Inf. Comput., 2007, v:205, n:8, pp:1173-1187 [Journal]

  34. More Concise Representation of Regular Languages by Automata and Regular Expressions. [Citation Graph (, )][DBLP]


  35. Two-Way Unary Automata versus Logarithmic Space. [Citation Graph (, )][DBLP]


  36. Multiway In-Place Merging. [Citation Graph (, )][DBLP]


  37. Pairs of Complementary Unary Languages with "Balanced" Nondeterministic Automata. [Citation Graph (, )][DBLP]


  38. Factoring and Testing Primes in Small Space. [Citation Graph (, )][DBLP]


  39. Translation from Classical Two-Way Automata to Pebble Two-Way Automata [Citation Graph (, )][DBLP]


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