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86
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CADE
2001
Springer
16 years 1 months ago
NP-Completeness of Refutability by Literal-Once Resolution
A boolean formula in conjunctive normal form (CNF) F is refuted by literal?once resolution if the empty clause is inferred from F by resolving on each literal of F at most once. Li...
Stefan Szeider
79
Voted
ICS
2010
Tsinghua U.
15 years 10 months ago
Are Stable Instances Easy?
We introduce the notion of a stable instance for a discrete optimization problem, and argue that in many practical situations only sufficiently stable instances are of interest. T...
Yonatan Bilu, Nathan Linial
104
Voted
LICS
2009
IEEE
15 years 7 months ago
The Complexity of Global Cardinality Constraints
In a constraint satisfaction problem (CSP) the goal is to find an assignment of a given set of variables subject to specified constraints. A global cardinality constraint is an ...
Andrei A. Bulatov, Dániel Marx
CONCUR
2009
Springer
15 years 7 months ago
Measuring Permissivity in Finite Games
In this paper, we extend the classical notion of strategies in turn-based finite games by allowing several moves to be selected. We define and study a quantitative measure for pe...
Patricia Bouyer, Marie Duflot, Nicolas Markey, Gab...
87
Voted
ICRA
2008
IEEE
123views Robotics» more  ICRA 2008»
15 years 7 months ago
Optimal trajectory generation for nonholonomic robots in dynamic environments
Abstract— We study optimal trajectory generation for nonholonomic mobile robots in the presence of moving obstacles. The trajectory is presented by a parameterized higher-order p...
Yi Guo, Tang Tang