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Weakly complete problems are not rare
Author(s) -
David Juedes
Publication year - 1995
Publication title -
computational complexity
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.973
H-Index - 39
eISSN - 1420-8954
pISSN - 1016-3328
DOI - 10.1007/bf01206322
Subject(s) - mathematics , decidability , intuition , discrete mathematics , argument (complex analysis) , calculus (dental) , combinatorics , philosophy , epistemology , medicine , biochemistry , chemistry , dentistry
Certain natural decision problems are known to be intractable because they are complete forE, the class of all problems decidable in exponential time. Lutz recently conjectured that manyother seemingly intractable problems are not complete for E, but are intractable nonethelessbecause they are weakly complete for E. The main result of this paper shows that Lutz's intuitionis at least partially correct; many more problems are weakly complete for E than are completefor E.The main result of ...

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