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Volumn 43, Issue 1-4, 2005, Pages 113-127

The complexity of homomorphisms and renamings for minimal unsatisfiable formulas

Author keywords

complexity; graph isomorphism; homomorphism; minimal unsatisfiable formula; renaming

Indexed keywords


EID: 10344254355     PISSN: 10122443     EISSN: None     Source Type: Journal    
DOI: 10.1007/s10472-004-9422-3     Document Type: Article
Times cited : (10)

References (10)
  • 1
    • 0040072443 scopus 로고    scopus 로고
    • Minimal non-two-colorable hypergraphs and minimal unsatisfiable formulas
    • R. Aharoni, Minimal non-two-colorable hypergraphs and minimal unsatisfiable formulas, Journal of Combinatorial Theory, Series A 43 (1996) 196-204.
    • (1996) Journal of Combinatorial Theory, Series A , vol.43 , pp. 196-204
    • Aharoni, R.1
  • 3
    • 0037163958 scopus 로고    scopus 로고
    • Polynomial-time recognition of minimal unsatisfiable formulas with fixed clause-variable difference
    • H. Fleischner, O. Kullmann and S. Szeider, Polynomial-time recognition of minimal unsatisfiable formulas with fixed clause-variable difference, Theoretical Computer Science 289 (2002) 503-516.
    • (2002) Theoretical Computer Science , vol.289 , pp. 503-516
    • Fleischner, H.1    Kullmann, O.2    Szeider, S.3
  • 5
    • 0037110723 scopus 로고    scopus 로고
    • Polynomial time algorithms for computing a representation for minimal unsatisfiable formulas with fixed deficiency
    • H. Kleine Büning and X. Zhao, Polynomial time algorithms for computing a representation for minimal unsatisfiable formulas with fixed deficiency, Information Processing Letters 84 (2002) 147-151.
    • (2002) Information Processing Letters , vol.84 , pp. 147-151
    • Kleine Büning, H.1    Zhao, X.2
  • 7
    • 0021979768 scopus 로고
    • Short proofs for tricky formulas
    • B. Krishnamurthy, Short proofs for tricky formulas, Acta Informatica 22 (1985) 253-275.
    • (1985) Acta Informatica , vol.22 , pp. 253-275
    • Krishnamurthy, B.1
  • 9
    • 0043015902 scopus 로고    scopus 로고
    • Homomorphisms of conjunctive normal forms
    • S. Szeider, Homomorphisms of conjunctive normal forms, Discrete Applied Mathematics 130 (2003) 351-365.
    • (2003) Discrete Applied Mathematics , vol.130 , pp. 351-365
    • Szeider, S.1
  • 10
    • 0005456328 scopus 로고    scopus 로고
    • The symmetry rule in prepositional logic
    • A. Urquhart, The symmetry rule in prepositional logic, Discrete Applied Mathematics 96-97 (1999) 177-193.
    • (1999) Discrete Applied Mathematics , vol.96-97 , pp. 177-193
    • Urquhart, A.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.