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math.NA2018
Exponential tractability of linear tensor product problems
Fred J. Hickernell, Peter Kritzer, Henryk Wozniakowski
In this article we consider the approximation of compact linear operators defined over tensor product Hilbert spaces. Necessary and sufficient conditions on the singular values of…
math.NA2018
Notes on tractability conditions for linear multivariate problems
Peter Kritzer, Henryk Wozniakowski
We study approximations of compact linear multivariate operators defined over Hilbert spaces. We provide necessary and sufficient conditions on various notions of tractability. The…