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» The Reachability Problem over Infinite Graphs
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CORR
2007
Springer
151views Education» more  CORR 2007»
13 years 5 months ago
The Complexity of Games on Higher Order Pushdown Automata
Abstract. We prove an n-exptime lower bound for the problem of deciding the winner in a reachability game on Higher Order Pushdown Automata (HPDA) of level n. This bound matches th...
Thierry Cachat, Igor Walukiewicz
LICS
2009
IEEE
13 years 12 months ago
Pointer Programs and Undirected Reachability
Pointer programs are a model of structured computation within logspace. They capture the common description of logspace algorithms as programs that take as input some structured d...
Martin Hofmann, Ulrich Schöpp
FSEN
2009
Springer
13 years 12 months ago
The Complexity of Reachability in Randomized Sabotage Games
Abstract. We analyze a model of fault-tolerant systems in a probabilistic setting. The model has been introduced under the name of “sabotage games”. A reachability problem over...
Dominik Klein, Frank G. Radmacher, Wolfgang Thomas
STACS
1994
Springer
13 years 9 months ago
Reachability and the Power of Local Ordering
The L ? = NL question remains one of the major unresolved problems in complexity theory. Both L and NL have logical characterizations as the sets of totally ordered ( ) structures...
Kousha Etessami, Neil Immerman
AI
2008
Springer
13 years 5 months ago
Sequential Monte Carlo in reachability heuristics for probabilistic planning
The current best conformant probabilistic planners encode the problem as a bounded length CSP or SAT problem. While these approaches can find optimal solutions for given plan leng...
Daniel Bryce, Subbarao Kambhampati, David E. Smith