Tensor products of Sobolev-Besov spaces and applications to approximation from the hyperbolic cross. - Winfried Sickel; Tino Ullrich (J. Approx. Theory, 2009)

The Gelfand widths of ℓp-balls for 0<p≤1 - Simon Foucart; Alain Pajor; Holger Rauhut; Tino Ullrich (CoRR, 2010)

The Gelfand widths of lp-balls for 0p<=1. - Simon Foucart; Alain Pajor; Holger Rauhut; Tino Ullrich (J. Complex., 2010)

Whitney type inequalities for local anisotropic polynomial approximation. - Dinh Dung; Tino Ullrich (J. Approx. Theory, 2011)

N-Widths and ε-Dimensions for High-Dimensional Approximations. - Dinh Dung; Tino Ullrich (Found. Comput. Math., 2013)

Approximation numbers of Sobolev embeddings - Sharp constants and tractability. - Thomas Kühn 002; Winfried Sickel; Tino Ullrich (J. Complex., 2014)

Optimal cubature in Besov spaces with dominating mixed smoothness on the unit square. - Tino Ullrich (J. Complex., 2014)

Sampling on energy-norm based sparse grids for the optimal recovery of Sobolev type functions in Hγ. - Glenn Byrenheid; Dinh Dung; Winfried Sickel; Tino Ullrich (J. Approx. Theory, 2016)

Optimal quasi-Monte Carlo rules on order 2 digital nets for the numerical integration of multivariate periodic functions. - Aicke Hinrichs; Lev Markhasin; Jens Oettershagen; Tino Ullrich (Numerische Mathematik, 2016)

Counting Via Entropy: New Preasymptotics for the Approximation Numbers of Sobolev Embeddings. - Thomas Kühn 002; Sebastian Mayer; Tino Ullrich (SIAM J. Numer. Anal., 2016)

The Role of Frolov's Cubature Formula for Functions with Bounded Mixed Derivative. - Mario Ullrich; Tino Ullrich (SIAM J. Numer. Anal., 2016)

Tight error bounds for rank-1 lattice sampling in spaces of hybrid mixed smoothness. - Glenn Byrenheid; Lutz Kämmerer; Tino Ullrich; Toni Volkmer (Numerische Mathematik, 2017)

Gelfand numbers related to structured sparsity and Besov space embeddings with small mixed smoothness. - Sjoerd Dirksen; Tino Ullrich (J. Complex., 2018)

The Haar System in Triebel-Lizorkin Spaces: Endpoint Results. - Gustavo Garrigós; Andreas Seeger; Tino Ullrich (CoRR, 2019)

Worst case recovery guarantees for least squares approximation using random samples. - Lutz Kämmerer; Tino Ullrich; Toni Volkmer (CoRR, 2019)

Adaptive sampling recovery of functions with higher mixed regularity. - Nadiia Derevianko; Tino Ullrich (CoRR, 2020)

L2-norm sampling discretization and recovery of functions from RKHS with finite trace. - Moritz Moeller; Tino Ullrich (CoRR, 2020)

A higher order Faber spline basis for sampling discretization of functions. - Nadiia Derevianko; Tino Ullrich (J. Approx. Theory, 2020)

Numerical Performance of Optimized Frolov Lattices in Tensor Product Reproducing Kernel Sobolev Spaces. - Christopher Kacwin; Jens Oettershagen; Mario Ullrich; Tino Ullrich (Found. Comput. Math., 2021)

On the optimal constants in the two-sided Stechkin inequalities. - Thomas Jahn; Tino Ullrich (J. Approx. Theory, 2021)

How anisotropic mixed smoothness affects the decay of singular numbers for Sobolev embeddings. - Thomas Kühn 002; Winfried Sickel; Tino Ullrich (J. Complex., 2021)

Bounds on Kolmogorov widths and sampling recovery for classes with small mixed smoothness. - Vladimir N. Temlyakov; Tino Ullrich (J. Complex., 2021)

Constructive subsampling of finite frames with applications in optimal function recovery. - Felix Bartel; Martin Schäfer; Tino Ullrich (CoRR, 2022)

Haar frame characterizations of Besov-Sobolev spaces and optimal embeddings into their dyadic counterparts. - Gustavo Garrigós; Andreas Seeger; Tino Ullrich (CoRR, 2022)

Lp-Sampling recovery for non-compact subclasses of L∞. - Glenn Byrenheid; Serhii A. Stasyuk; Tino Ullrich (CoRR, 2022)

Sampling numbers of smoothness classes via 𝓁1-minimization. - Thomas Jahn; Tino Ullrich; Felix Voigtländer (CoRR, 2022)

A New Upper Bound for Sampling Numbers. - Nicolas Nagel; Martin Schäfer; Tino Ullrich (Found. Comput. Math., 2022)

Approximation of functions with small mixed smoothness in the uniform norm. - Vladimir N. Temlyakov; Tino Ullrich (J. Approx. Theory, 2022)

A Note on Sampling Recovery of Multivariate Functions in the Uniform Norm. - Kateryna Pozharska; Tino Ullrich (SIAM J. Numer. Anal., 2022)

Marcinkiewicz-Zygmund inequalities for scattered and random data on the q-sphere. - Frank Filbir; Ralf Hielscher; Thomas Jahn; Tino Ullrich (CoRR, 2023)

Sampling recovery in the uniform norm. - David Krieg 001; Kateryna Pozharska; Mario Ullrich; Tino Ullrich (CoRR, 2023)

Efficient recovery of non-periodic multivariate functions from few scattered samples. - Felix Bartel; Kai Lüttgen; Nicolas Nagel; Tino Ullrich (CoRR, 2023)

Lp-Sampling recovery for non-compact subclasses of L∞. - Glenn Byrenheid; Serhii A. Stasyuk; Tino Ullrich (Frontiers Appl. Math. Stat., 2023)

On the reconstruction of functions from values at subsampled quadrature points. - Felix Bartel; Lutz Kämmerer; Daniel Potts; Tino Ullrich (Math. Comput., 2023)

Fast hyperbolic wavelet regression meets ANOVA. - Laura Lippert; Daniel Potts; Tino Ullrich (Numerische Mathematik, 2023)

Sampling numbers of smoothness classes via ℓ1-minimization. - Thomas Jahn; Tino Ullrich; Felix Voigtländer (J. Complex., 2023)

Sampling projections in the uniform norm. - David Krieg 001; Kateryna Pozharska; Mario Ullrich; Tino Ullrich (CoRR, 2024)

High-dimensional sparse trigonometric approximation in the uniform norm and consequences for sampling recovery. - Moritz Moeller; Serhii A. Stasyuk; Tino Ullrich (CoRR, 2024)

Exact discretization, tight frames and recovery via D-optimal designs. - Felix Bartel; Lutz Kämmerer; Kateryna Pozharska; Martin Schäfer; Tino Ullrich (CoRR, 2024)

Instance optimal function recovery - samples, decoders and asymptotic performance. - Moritz Moeller; Kateryna Pozharska; Tino Ullrich (CoRR, 2025)

Besov regularity of multivariate non-periodic functions in terms of half-period cosine coefficients and consequences for recovery and numerical integration. - Martin Schäfer; Tino Ullrich (CoRR, 2025)

Tent transformed order 2 nets and quasi-Monte Carlo rules with quadratic error decay. - Bernd Käßemodel; Nicolas Nagel; Tino Ullrich (CoRR, 2025)