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PSPACE-complete problems for subgroups of free groups and inverse finite automata.
Jean-Camille Birget
Stuart W. Margolis
John C. Meakin
Pascal Weil
Published in:
Theor. Comput. Sci. (2000)
Keyphrases
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finite automata
np complete
pspace complete
tree automata
model checking
decision problems
regular expressions
strips planning
machine learning
np hard
knowledge representation