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math.FA2020
Approximation of functions with small mixed smoothness in the uniform norm
Vladimir Temlyakov, Tino Ullrich
In this paper we present results on asymptotic characteristics of multivariate function classes in the uniform norm. Our main interest is the approximation of functions with mixed…
math.FA2020
Adaptive sampling recovery of functions with higher mixed regularity
Nadiia Derevianko, Tino Ullrich
We tensorize the Faber spline system from [14] to prove sequence space isomorphisms for multivariate function spaces with higher mixed regularity. The respective basis coefficients…