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FOSSACS
2006
Springer
15 years 3 months ago
A Finite Model Construction for Coalgebraic Modal Logic
In recent years, a tight connection has emerged between modal logic on the one hand and coalgebras, understood as generic transition systems, on the other hand. Here, we prove tha...
Lutz Schröder
DM
2007
116views more  DM 2007»
14 years 11 months ago
The Ramsey numbers for a cycle of length six or seven versus a clique of order seven
: For two given graphs G1 and G2, the Ramsey number R(G1, G2) is the smallest integer n such that for any graph G of order n, either G contains G1 or the complement of G contains G...
T. C. Edwin Cheng, Yaojun Chen, Yunqing Zhang, C. ...
IPL
2007
121views more  IPL 2007»
14 years 11 months ago
Parameterized complexity of the induced subgraph problem in directed graphs
In this paper, we consider the parameterized complexity of the following problem: Given a hereditary property P on digraphs, an input digraph D and a positive integer k, does D ha...
Venkatesh Raman, Somnath Sikdar
IANDC
2010
67views more  IANDC 2010»
14 years 10 months ago
Parameterized computational complexity of Dodgson and Young elections
We show that the two NP-complete problems of Dodgson Score and Young Score have differing computational complexities when the winner is close to being a Condorcet winner. On the ...
Nadja Betzler, Jiong Guo, Rolf Niedermeier
CONCUR
1998
Springer
15 years 4 months ago
Axioms for Real-Time Logics
This paper presents a complete axiomatization of two decidable propositional realtime linear temporal logics: Event Clock Logic (EventClockTL) and Metric Interval Temporal Logic w...
Jean-François Raskin, Pierre-Yves Schobbens...