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ALGORITHMICA
2011
14 years 11 months ago
Crossing Numbers of Graphs with Rotation Systems
We show that computing the crossing number and the odd crossing number of a graph with a given rotation system is NP-complete. As a consequence we can show that many of the well-k...
Michael J. Pelsmajer, Marcus Schaefer, Daniel Stef...
CADE
2008
Springer
16 years 4 months ago
Model Stack for the Pervasive Verification of a Microkernel-based Operating System
Abstract. Operating-system verification gains increasing research interest. The complexity of such systems is, however, challenging and many endeavors are limited in some respect: ...
Jan Dörrenbächer, Matthias Daum, Sebasti...
CADE
2007
Springer
16 years 4 months ago
Combination Methods for Satisfiability and Model-Checking of Infinite-State Systems
Manna and Pnueli have extensively shown how a mixture of first-order logic (FOL) and discrete Linear time Temporal Logic (LTL) is sufficient to precisely state verification problem...
Silvio Ghilardi, Enrica Nicolini, Silvio Ranise, D...
IEEEARES
2009
IEEE
15 years 11 months ago
Perfect Failure Detection in the Partitioned Synchronous Distributed System Model
—In this paper we show that it is possible to implement a perfect failure detector P (one that detects all faulty processes if and only if those processes failed) in a non-synchr...
Raimundo José de Araújo Macêdo...
ATAL
2009
Springer
15 years 11 months ago
A framework for monitoring agent-based normative systems
The behaviours of autonomous agents may deviate from those deemed to be for the good of the societal systems of which they are a part. Norms have therefore been proposed as a mean...
Sanjay Modgil, Noura Faci, Felipe Rech Meneguzzi, ...