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CONCUR
1998
Springer
14 years 2 months ago
It's About Time: Real-Time Logics Reviewed
Abstract. We summarize and reorganize some of the last decade's research on real-time extensions of temporal logic. Our main focus is on tableau constructions for model checki...
Thomas A. Henzinger
ENDM
2010
122views more  ENDM 2010»
13 years 10 months ago
Complexity dichotomy on degree-constrained VLSI layouts with unit-length edges
Deciding whether an arbitrary graph admits a VLSI layout with unit-length edges is NP-complete [1], even when restricted to binary trees [7]. However, for certain graphs, the prob...
Vinícius G. P. de Sá, Celina M. Herr...
COMBINATORICS
2006
98views more  COMBINATORICS 2006»
13 years 10 months ago
Shift Equivalence of P-finite Sequences
We present an algorithm which decides the shift equivalence problem for Pfinite sequences. A sequence is called P-finite if it satisfies a homogeneous linear recurrence equation w...
Manuel Kauers
JSYML
2008
66views more  JSYML 2008»
13 years 10 months ago
Flat algebras and the translation of universal Horn logic to equational logic
We describe which subdirectly irreducible flat algebras arise in the variety generated by an arbitrary class of flat algebras with absorbing bottom element. This is used to give an...
Marcel Jackson
JAR
2007
90views more  JAR 2007»
13 years 10 months ago
A Tableau Decision Procedure for SHOIQ
Abstract. OWL DL, a new W3C ontology language recommendation, is based on the expressive description logic SHOIN. Although the ontology consistency problem for SHOIN is known to be...
Ian Horrocks, Ulrike Sattler