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» On the Complexity of Hardness Amplification
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MFCS
2007
Springer
14 years 1 months ago
Hardness Results for Tournament Isomorphism and Automorphism
A tournament is a graph in which each pair of distinct vertices is connected by exactly one directed edge. Tournaments are an important graph class, for which isomorphism testing ...
Fabian Wagner
SAT
2004
Springer
117views Hardware» more  SAT 2004»
14 years 1 months ago
A Random Constraint Satisfaction Problem That Seems Hard for DPLL
Abstract. This paper discusses an NP-complete constraint satisfaction problem which appears to share many of the threshold characteristics of SAT but is similar to XOR-SAT and so i...
Harold S. Connamacher
RTSS
2003
IEEE
14 years 28 days ago
Dynamic Integrated Scheduling of Hard Real-Time, Soft Real-Time and Non-Real-Time Processes
Real-time systems are growing in complexity and realtime and soft real-time applications are becoming common in general-purpose computing environments. Thus, there is a growing ne...
Scott A. Brandt, Scott A. Banachowski, Caixue Lin,...
FPL
2007
Springer
176views Hardware» more  FPL 2007»
14 years 1 months ago
ReconOS: An RTOS supporting Hard- and Software Threads
Modern platform FPGAs integrate fine-grained reconfigurable logic with processor cores and allow the creation of complete configurable systems-on-chip. However, design methodol...
Enno Lübbers, Marco Platzner
FUN
2007
Springer
78views Algorithms» more  FUN 2007»
14 years 1 months ago
Wooden Geometric Puzzles: Design and Hardness Proofs
We discuss some new geometric puzzles and the complexity of their extension to arbitrary sizes. For gate puzzles and two-layer puzzles we prove NP-completeness of solving them. No...
Helmut Alt, Hans L. Bodlaender, Marc J. van Krevel...