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CORR
2010
Springer
76views Education» more  CORR 2010»
15 years 6 months ago
Nonadaptive quantum query complexity
We study the power of nonadaptive quantum query algorithms, which are algorithms whose queries to the input do not depend on the result of previous queries. First, we show that an...
Ashley Montanaro
FASE
2010
Springer
16 years 1 months ago
Memory Leaks Detection in Java by Bi-abductive Inference
This paper describes a compositional analysis algorithm for statically detecting leaks in Java programs. The algorithm is based on separation logic and exploits the concept of bi-a...
Dino Distefano, Ivana Filipovic
CORR
2010
Springer
103views Education» more  CORR 2010»
15 years 6 months ago
Improved Approximation for Guarding Simple Galleries from the Perimeter
We provide an O(log log OPT)-approximation algorithm for the problem of guarding a simple polygon with guards on the perimeter. We first design a polynomial-time algorithm for bui...
James King, David G. Kirkpatrick
COLOGNETWENTE
2010
15 years 5 months ago
Approximating Independent Set in Semi-Random Graphs
We present an algorithm for the independent set problem on semi-random graphs, which are generated as follows: An adversary chooses an n-vertex graph, and then each edge is flipp...
Bodo Manthey, Kai Plociennik
IWOCA
2010
Springer
229views Algorithms» more  IWOCA 2010»
15 years 1 months ago
Ranking and Drawing in Subexponential Time
In this paper we obtain parameterized subexponential-time algorithms for p-Kemeny Aggregation (p-KAGG) -- a problem in social choice theory -- and for p-One-Sided Crossing Minimiza...
Henning Fernau, Fedor V. Fomin, Daniel Lokshtanov,...