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Efficient lattice assessment for LCG and GLP parameter searches

  • K. Entacher
  • , T. Schell
  • , A. Uhl
  • Department of Scientific Computing, University of Salzburg

Research output: Contribution to journalArticlepeer-review

Abstract

In the present paper we show how to speed up lattice parameter searches for Monte Carlo and quasi-Monte Carlo node sets. The classical measure for such parameter searches is the spectral test which is based on a calculation of the shortest nonzero vector in a lattice. Instead of the shortest vector we apply an approximation given by the LLL algorithm for lattice basis reduction. We empirically demonstrate the speed-up and the quality loss obtained by the LLL reduction, and we present important applications for parameter selections.
Original languageEnglish
Pages (from-to)1231-1242
Number of pages12
JournalMathematics of Computation
Volume71
Issue number239
DOIs
Publication statusPublished - 2002

Keywords

  • Fincke-Pohst algorithm
  • Good lattice points
  • Lattice basis reduction
  • Lattice rules
  • LLL algorithm
  • Monte Carlo and quasi-Monte Carlo methods
  • Random number generation
  • Spectral test

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