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Dispersion of the Fibonacci and the Frolov point sets

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arxiv 1709.08158 v2 pith:NQACFQMW submitted 2017-09-24 math.NA cs.NA

V.N. Temlyakov This is my paper · ORCID
classification math.NAcs.NA
keywords setsfibonaccipointdispersionfrolovboundsdiscretizationoptimal
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It is proved that the Fibonacci and the Frolov point sets, which are known to be very good for numerical integration, have optimal rate of decay of dispersion with respect to the cardinality of sets. This implies that the Fibonacci and the Frolov point sets provide universal discretization of the uniform norm for natural collections of subspaces of the multivariate trigonometric polynomials. It is shown how the optimal upper bounds for dispersion can be derived from the upper bounds for a new characteristic -- the smooth fixed volume discrepancy. It is proved that the Fibonacci point sets provide the universal discretization of all integral norms.

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  1. On the fixed volume discrepancy of the Fibonacci sets in the integral norms

    math.NA 2019-08 accept novelty 6.0 of 10

    For finite p, the periodic r-smooth fixed volume L_p discrepancy of the Fibonacci point set with b_n points is O(sqrt(log(b_n v)) / b_n^r); for p=∞ it is O(log(b_n v)/b_n^r).

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