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ESA
2005
Springer
162views Algorithms» more  ESA 2005»
15 years 9 months ago
Negative Cycle Detection Problem
In this paper, we will describe some heuristics that can be used to improve the runtime of a wide range of commonly used algorithms for the negative cycle detection problem signiï¬...
Chi-Him Wong, Yiu-Cheong Tam
ISW
2009
Springer
15 years 10 months ago
Nonce Generators and the Nonce Reset Problem
A nonce is a cryptographic input value which must never repeat within a given context. Nonces are important for the security of many cryptographic building blocks, such as stream c...
Erik Zenner
SIAMDM
2010
119views more  SIAMDM 2010»
14 years 10 months ago
Surviving Rates of Graphs with Bounded Treewidth for the Firefighter Problem
The firefighter problem is the following discrete-time game on a graph. Initially, a fire starts at a vertex of the graph. In each round, a firefighter protects one vertex not yet ...
Leizhen Cai, Yongxi Cheng, Elad Verbin, Yuan Zhou
FOCS
2004
IEEE
15 years 7 months ago
Approximating the Stochastic Knapsack Problem: The Benefit of Adaptivity
We consider a stochastic variant of the NP-hard 0/1 knapsack problem in which item values are deterministic and item sizes are independent random variables with known, arbitrary d...
Brian C. Dean, Michel X. Goemans, Jan Vondrá...
JDA
2010
88views more  JDA 2010»
15 years 2 months ago
Greedy colorings for the binary paintshop problem
Cars have to be painted in two colors in a sequence where each car occurs twice; assign the two colors to the two occurrences of each car so as to minimize the number of color chan...
Hadis Amini, Frédéric Meunier, H&eac...