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Harald Hempel: [Publications] [Author Rank by year] [Co-authors] [Prefers] [Cites] [Cited by]

Publications of Author

  1. Edith Hemaspaandra, Lane A. Hemaspaandra, Harald Hempel
    RSN1-tt(NP) Distinguishes Robust Many-One and Turing Completeness. [Citation Graph (0, 0)][DBLP]
    CIAC, 1997, pp:49-60 [Conf]
  2. Lane A. Hemaspaandra, Harald Hempel, Arfst Nickelsen
    Algebraic Properties for P-Selectivity. [Citation Graph (0, 0)][DBLP]
    COCOON, 2001, pp:49-58 [Conf]
  3. André Große, Harald Hempel
    On Functions and Relations. [Citation Graph (0, 0)][DBLP]
    DMTCS, 2003, pp:181-192 [Conf]
  4. Edith Hemaspaandra, Lane A. Hemaspaandra, Harald Hempel
    Query Order in the Polynomial Hierarchy. [Citation Graph (0, 0)][DBLP]
    FCT, 1997, pp:222-232 [Conf]
  5. Michael Krüger, Harald Hempel
    Inverse HAMILTONIAN CYCLE and Inverse 3-D MATCHING Are coNP-Complete. [Citation Graph (0, 0)][DBLP]
    ISAAC, 2006, pp:243-252 [Conf]
  6. Edith Hemaspaandra, Lane A. Hemaspaandra, Harald Hempel
    All Superlinear Inverse Schemes Are coNP-Hard. [Citation Graph (0, 0)][DBLP]
    MFCS, 2004, pp:368-379 [Conf]
  7. Edith Hemaspaandra, Lane A. Hemaspaandra, Harald Hempel
    A Downward Translation in the Polynomial Hierarchy. [Citation Graph (0, 0)][DBLP]
    STACS, 1997, pp:319-328 [Conf]
  8. Edith Hemaspaandra, Lane A. Hemaspaandra, Harald Hempel
    Extending Downward Collapse from 1-versus-2 Queries to j-versus-j+1 Queries. [Citation Graph (0, 0)][DBLP]
    STACS, 1999, pp:269-280 [Conf]
  9. Harald Hempel, Gerd Wechsung
    The Operators min and max on the Polynomial Hierarchy. [Citation Graph (0, 0)][DBLP]
    STACS, 1997, pp:93-104 [Conf]
  10. Harald Hempel, Dieter Kratsch
    On Claw-Free Asteroidal Triple-Free Graphs. [Citation Graph (0, 0)][DBLP]
    WG, 1999, pp:377-390 [Conf]
  11. Lane A. Hemaspaandra, Harald Hempel
    P-Immune Sets with Holes Lack Self-Reducibility Properties [Citation Graph (0, 0)][DBLP]
    CoRR, 2001, v:0, n:, pp:- [Journal]
  12. Edith Hemaspaandra, Lane A. Hemaspaandra, Harald Hempel
    Using the No-Search Easy-Hard Technique for Downward Collapse [Citation Graph (0, 0)][DBLP]
    CoRR, 2001, v:0, n:, pp:- [Journal]
  13. Edith Hemaspaandra, Lane A. Hemaspaandra, Harald Hempel
    All Superlinear Inverse Schemes are coNP-Hard [Citation Graph (0, 0)][DBLP]
    CoRR, 2004, v:0, n:, pp:- [Journal]
  14. Edith Hemaspaandra, Lane A. Hemaspaandra, Harald Hempel
    Downward Collapse from a Weaker Hypothesis [Citation Graph (0, 0)][DBLP]
    CoRR, 1998, v:0, n:, pp:- [Journal]
  15. Lane A. Hemaspaandra, Harald Hempel, Gerd Wechsung
    Query Order [Citation Graph (0, 0)][DBLP]
    CoRR, 1999, v:0, n:, pp:- [Journal]
  16. Edith Hemaspaandra, Lane A. Hemaspaandra, Harald Hempel
    What's Up with Downward Collapse: Using the Easy-Hard Technique to Link Boolean and Polynomial Hierarchy Collapses [Citation Graph (0, 0)][DBLP]
    CoRR, 1999, v:0, n:, pp:- [Journal]
  17. Edith Hemaspaandra, Lane A. Hemaspaandra, Harald Hempel
    R1-ttSN(NP) Distinguishes Robust Many-One and Turing Completeness [Citation Graph (0, 0)][DBLP]
    CoRR, 1999, v:0, n:, pp:- [Journal]
  18. Edith Hemaspaandra, Lane A. Hemaspaandra, Harald Hempel
    An Introduction to Query Order [Citation Graph (0, 0)][DBLP]
    CoRR, 1999, v:0, n:, pp:- [Journal]
  19. Edith Hemaspaandra, Lane A. Hemaspaandra, Harald Hempel
    Query Order and the Polynomial Hierarchy [Citation Graph (0, 0)][DBLP]
    CoRR, 1999, v:0, n:, pp:- [Journal]
  20. Lane A. Hemaspaandra, Harald Hempel, Gerd Wechsung
    Self-Specifying Machines [Citation Graph (0, 0)][DBLP]
    CoRR, 1999, v:0, n:, pp:- [Journal]
  21. Edith Hemaspaandra, Lane A. Hemaspaandra, Harald Hempel
    A Downward Collapse within the Polynomial Hierarchy [Citation Graph (0, 0)][DBLP]
    CoRR, 1999, v:0, n:, pp:- [Journal]
  22. Edith Hemaspaandra, Lane A. Hemaspaandra, Harald Hempel
    Translating Equality Downwards [Citation Graph (0, 0)][DBLP]
    CoRR, 1999, v:0, n:, pp:- [Journal]
  23. Harald Hempel, Dieter Kratsch
    On claw-free asteroidal triple-free graphs. [Citation Graph (0, 0)][DBLP]
    Discrete Applied Mathematics, 2002, v:121, n:1-3, pp:155-180 [Journal]
  24. Edith Hemaspaandra, Lane A. Hemaspaandra, Harald Hempel
    An Introduction to Query Order. [Citation Graph (0, 0)][DBLP]
    Bulletin of the EATCS, 1997, v:63, n:, pp:- [Journal]
  25. Harald Hempel, Gerd Wechsung
    The Operators min and max on the Polynomial Hierarchy [Citation Graph (0, 0)][DBLP]
    Electronic Colloquium on Computational Complexity (ECCC), 1997, v:4, n:25, pp:- [Journal]
  26. Richard Beigel, Lane A. Hemaspaandra, Harald Hempel, Jörg Vogel
    Optimal Series-Parallel Trade-offs for Reducing a Function to Its Own Graph. [Citation Graph (0, 0)][DBLP]
    Inf. Comput., 2002, v:173, n:2, pp:123-131 [Journal]
  27. Lane A. Hemaspaandra, Harald Hempel, Gerd Wechsung
    Self-Specifying Machines. [Citation Graph (0, 0)][DBLP]
    Int. J. Found. Comput. Sci., 1999, v:10, n:3, pp:263-276 [Journal]
  28. Harald Hempel, Gerd Wechsung
    The Operators min and max on the Polynomial Hierarchy. [Citation Graph (0, 0)][DBLP]
    Int. J. Found. Comput. Sci., 2000, v:11, n:2, pp:315-342 [Journal]
  29. Edith Hemaspaandra, Lane A. Hemaspaandra, Harald Hempel
    Query Order and the Polynomial Hierarchy. [Citation Graph (0, 0)][DBLP]
    J. UCS, 1998, v:4, n:6, pp:574-588 [Journal]
  30. Harald Hempel
    Randomized Algorithms and Complexity Theory. [Citation Graph (0, 0)][DBLP]
    J. UCS, 2006, v:12, n:6, pp:746-761 [Journal]
  31. Edith Hemaspaandra, Lane A. Hemaspaandra, Harald Hempel
    RS N1-tt (NP) Distinguishes Robust Many-One and Turing Completeness. [Citation Graph (0, 0)][DBLP]
    Theory Comput. Syst., 1998, v:31, n:3, pp:307-325 [Journal]
  32. Edith Hemaspaandra, Lane A. Hemaspaandra, Harald Hempel
    A Downward Collapse within the Polynomial Hierarchy. [Citation Graph (0, 0)][DBLP]
    SIAM J. Comput., 1998, v:28, n:2, pp:383-393 [Journal]
  33. Lane A. Hemaspaandra, Harald Hempel, Arfst Nickelsen
    Algebraic Properties for Selector Functions. [Citation Graph (0, 0)][DBLP]
    SIAM J. Comput., 2004, v:33, n:6, pp:1309-1337 [Journal]
  34. Lane A. Hemaspaandra, Harald Hempel, Gerd Wechsung
    Query Order. [Citation Graph (0, 0)][DBLP]
    SIAM J. Comput., 1998, v:28, n:2, pp:637-651 [Journal]
  35. Lane A. Hemaspaandra, Harald Hempel
    P-immune sets with holes lack self-reducibility properties. [Citation Graph (0, 0)][DBLP]
    Theor. Comput. Sci., 2003, v:302, n:1-3, pp:457-466 [Journal]
  36. Edith Hemaspaandra, Lane A. Hemaspaandra, Harald Hempel
    All superlinear inverse schemes are coNP-hard. [Citation Graph (0, 0)][DBLP]
    Theor. Comput. Sci., 2005, v:345, n:2-3, pp:345-358 [Journal]
  37. Lane A. Hemaspaandra, Harald Hempel, Arfst Nickelsen
    Algebraic Properties for Selector Functions [Citation Graph (0, 0)][DBLP]
    CoRR, 2005, v:0, n:, pp:- [Journal]

  38. Approximating Alternative Solutions. [Citation Graph (, )][DBLP]


  39. Inverse Problems Have Inverse Complexity. [Citation Graph (, )][DBLP]


  40. Persistent Computations of Turing Machines. [Citation Graph (, )][DBLP]


  41. Reoptimization of Traveling Salesperson Problems: Changing Single Edge-Weights. [Citation Graph (, )][DBLP]


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