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Alasdair Urquhart: [Publications] [Author Rank by year] [Co-authors] [Prefers] [Cites] [Cited by]

Publications of Author

  1. Alasdair Urquhart
    Hard examples for resolution. [Citation Graph (1, 0)][DBLP]
    J. ACM, 1987, v:34, n:1, pp:209-219 [Journal]
  2. Ivo Düntsch, Alasdair Urquhart
    Betweenness and Comparability Obtained from Binary Relations. [Citation Graph (0, 0)][DBLP]
    RelMiCS, 2006, pp:148-161 [Conf]
  3. Alasdair Urquhart
    Duality Theory for Projective Algebras. [Citation Graph (0, 0)][DBLP]
    RelMiCS, 2005, pp:33-47 [Conf]
  4. Stephen Bellantoni, Toniann Pitassi, Alasdair Urquhart
    Approximation and Small Depth Frege Proofs. [Citation Graph (0, 0)][DBLP]
    Structure in Complexity Theory Conference, 1991, pp:367-390 [Conf]
  5. Toniann Pitassi, Alasdair Urquhart
    The Complexity of the Hajós Calculus [Citation Graph (0, 0)][DBLP]
    FOCS, 1992, pp:187-196 [Conf]
  6. Russell Impagliazzo, Toniann Pitassi, Alasdair Urquhart
    Upper and Lower Bounds for Tree-Like Cutting Planes Proofs [Citation Graph (0, 0)][DBLP]
    LICS, 1994, pp:220-228 [Conf]
  7. Michael Alekhnovich, Jan Johannsen, Toniann Pitassi, Alasdair Urquhart
    An exponential separation between regular and general resolution. [Citation Graph (0, 0)][DBLP]
    STOC, 2002, pp:448-456 [Conf]
  8. Noriko H. Arai, Toniann Pitassi, Alasdair Urquhart
    The complexity of analytic tableaux. [Citation Graph (0, 0)][DBLP]
    STOC, 2001, pp:356-363 [Conf]
  9. Stephen A. Cook, Alasdair Urquhart
    Functional Interpretations of Feasibly Constructive Arithmetic (Extended Abstract) [Citation Graph (0, 0)][DBLP]
    STOC, 1989, pp:107-112 [Conf]
  10. Noriko H. Arai, Alasdair Urquhart
    Local Symmetries in Propositional Logic. [Citation Graph (0, 0)][DBLP]
    TABLEAUX, 2000, pp:40-51 [Conf]
  11. Alasdair Urquhart
    Width Versus Size in Resolution Proofs. [Citation Graph (0, 0)][DBLP]
    TAMC, 2006, pp:79-88 [Conf]
  12. Alasdair Urquhart
    Resolution Proofs of Matching Principles. [Citation Graph (0, 0)][DBLP]
    Ann. Math. Artif. Intell., 2003, v:37, n:3, pp:241-250 [Journal]
  13. Alasdair Urquhart
    The Relative Complexity of Resolution and Cut-Free Gentzen Systems. [Citation Graph (0, 0)][DBLP]
    Ann. Math. Artif. Intell., 1992, v:6, n:1-3, pp:157-168 [Journal]
  14. Michael Soltys, Alasdair Urquhart
    Matrix identities and the pigeonhole principle. [Citation Graph (0, 0)][DBLP]
    Arch. Math. Log., 2004, v:43, n:3, pp:351-358 [Journal]
  15. Stephen A. Cook, Alasdair Urquhart
    Functional Interpretations of Feasibly Constructive Arithmetic. [Citation Graph (0, 0)][DBLP]
    Ann. Pure Appl. Logic, 1993, v:63, n:2, pp:103-200 [Journal]
  16. Alasdair Urquhart
    The complexity of propositional proofs. [Citation Graph (0, 0)][DBLP]
    Bulletin of Symbolic Logic, 1995, v:1, n:4, pp:425-467 [Journal]
  17. Alasdair Urquhart
    The Symmetry Rule in Propositional Logic. [Citation Graph (0, 0)][DBLP]
    Discrete Applied Mathematics, 1999, v:96, n:, pp:177-193 [Journal]
  18. Alasdair Urquhart
    The Complexity of Propositional Proofs. [Citation Graph (0, 0)][DBLP]
    Bulletin of the EATCS, 1998, v:64, n:, pp:- [Journal]
  19. Michael Alekhnovich, Jan Johannsen, Toniann Pitassi, Alasdair Urquhart
    An Exponential Separation between Regular and General Resolution [Citation Graph (0, 0)][DBLP]
    Electronic Colloquium on Computational Complexity (ECCC), 2001, v:8, n:056, pp:- [Journal]
  20. Alasdair Urquhart
    The Complexity of Propositional Proofs with the Substitution Rule. [Citation Graph (0, 0)][DBLP]
    Logic Journal of the IGPL, 2005, v:13, n:3, pp:287-291 [Journal]
  21. Alasdair Urquhart
    Review of Feasible Mathematics II. [Citation Graph (0, 0)][DBLP]
    Logic Journal of the IGPL, 1997, v:5, n:2, pp:- [Journal]
  22. Steve Giambrone, Robert K. Meyer, Alasdair Urquhart
    A Contractionless Semilattice Semantics. [Citation Graph (0, 0)][DBLP]
    J. Symb. Log., 1987, v:52, n:2, pp:526-529 [Journal]
  23. Alasdair Urquhart
    Semantics for Relevant Logics. [Citation Graph (0, 0)][DBLP]
    J. Symb. Log., 1972, v:37, n:1, pp:159-169 [Journal]
  24. Alasdair Urquhart
    Implicational Formulas in Intuitionistic Logic. [Citation Graph (0, 0)][DBLP]
    J. Symb. Log., 1974, v:39, n:4, pp:661-664 [Journal]
  25. Alasdair Urquhart
    The Undecidability of Entailment and Relevant Implication. [Citation Graph (0, 0)][DBLP]
    J. Symb. Log., 1984, v:49, n:4, pp:1059-1073 [Journal]
  26. Alasdair Urquhart
    The Complexity of Decision Procedures In Relevance Logic II. [Citation Graph (0, 0)][DBLP]
    J. Symb. Log., 1999, v:64, n:4, pp:1774-1802 [Journal]
  27. Alasdair Urquhart, Xudong Fu
    Simplified Lower Bounds for Propositional Proofs. [Citation Graph (0, 0)][DBLP]
    Notre Dame Journal of Formal Logic, 1996, v:37, n:4, pp:523-544 [Journal]
  28. Alasdair Urquhart
    Duality for algebras of relevant logics. [Citation Graph (0, 0)][DBLP]
    Studia Logica, 1996, v:56, n:1/2, pp:263-276 [Journal]
  29. Stephen Bellantoni, Toniann Pitassi, Alasdair Urquhart
    Approximation and Small-Depth Frege Proofs. [Citation Graph (0, 0)][DBLP]
    SIAM J. Comput., 1992, v:21, n:6, pp:1161-1179 [Journal]
  30. Toniann Pitassi, Alasdair Urquhart
    The Complexity of the Hajos Calculus. [Citation Graph (0, 0)][DBLP]
    SIAM J. Discrete Math., 1995, v:8, n:3, pp:464-483 [Journal]
  31. Alasdair Urquhart
    The Complexity of Gentzen Systems for Propositional Logic. [Citation Graph (0, 0)][DBLP]
    Theor. Comput. Sci., 1989, v:66, n:1, pp:87-97 [Journal]
  32. Alexander Hertel, Alasdair Urquhart
    Game Characterizations and the PSPACE-Completeness of Tree Resolution Space. [Citation Graph (0, 0)][DBLP]
    CSL, 2007, pp:527-541 [Conf]
  33. Alexander Hertel, Philipp Hertel, Alasdair Urquhart
    Formalizing Dangerous SAT Encodings. [Citation Graph (0, 0)][DBLP]
    SAT, 2007, pp:159-172 [Conf]
  34. Alasdair Urquhart
    Width versus size in resolution proofs. [Citation Graph (0, 0)][DBLP]
    Theor. Comput. Sci., 2007, v:384, n:1, pp:104-110 [Journal]

  35. Regular and General Resolution: An Improved Separation. [Citation Graph (, )][DBLP]


  36. The number of lines in Frege proofs with substitution. [Citation Graph (, )][DBLP]


  37. The Resolution Width Problem is EXPTIME-Complete. [Citation Graph (, )][DBLP]


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