May 14 – 15, 2018
ENS de Lyon
Europe/Paris timezone

Axis-alignment in low rank and other structures

May 14, 2018, 10:30 AM
Amphi A (ENS de Lyon)

Amphi A

ENS de Lyon

46 allée d'Italie 69364 Lyon Cedex 07, France


Lloyd N. Trefethen (University of Oxford and LIP - ENS de Lyon)


In two or more dimensions, various methods have been developed to represent matrices or functions more compactly. The efficacy of such methods often depends on alignment of the data with the axes. We shall discuss four cases: low-rank approximations, sparse grids, quasi-Monte Carlo, and multivariate polynomials.

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