Regular ArticleNC-Approximation Schemes for NP- and PSPACE-Hard Problems for Geometric Graphs☆,☆☆
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A preliminary version of this paper appeared in “Proc. 2nd European Symposium on Algorithms (ESA'94) (pp. 424–435, Springer-Verlag, Berlin/New York).
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F. P. Preparata
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E-mail:{hunt,ravi,djr,res}@cs.albany.edu.
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Supported by NSF Grant CCR-89-03319 and CCR-94-06611.
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Part of the work was done when the author was at SUNY, Albany. E-mail:[email protected]. Work supported by Department of Energy Contract W-7405-ENG-36.
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E-mail:[email protected].
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Supported by NSF Grant CCR-90-06396.
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