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CORR
2000
Springer
85views Education» more  CORR 2000»
14 years 10 months ago
Phutball Endgames are Hard
We show that, in John Conway's board game Phutball (or Philosopher's Football), it is NP-complete to determine whether the current player has a move that immediately wins...
Erik D. Demaine, Martin L. Demaine, David Eppstein
ICML
2003
IEEE
15 years 11 months ago
Stochastic Local Search in k-Term DNF Learning
A novel native stochastic local search algorithm for solving k-term DNF problems is presented. It is evaluated on hard k-term DNF problems that lie on the phase transition and com...
Stefan Kramer, Ulrich Rückert
CG
2002
Springer
14 years 10 months ago
PDS-PN: A New Proof-Number Search Algorithm
Abstract. The paper introduces a new proof-number (PN) search algorithm, called PDS-PN. It is a two-level search, which performs at the first level a depth-first Proof-number and D...
Mark H. M. Winands, Jos W. H. M. Uiterwijk, H. Jaa...