Optimal spline spaces of higher degree for L2 n-widths. - Michael S. Floater; Espen Sande (J. Approx. Theory, 2017)

On the best constants in L2 approximation. - Andrea Bressan; Michael S. Floater; Espen Sande (CoRR, 2019)

On periodic L2 n-widths. - Michael S. Floater; Espen Sande (J. Comput. Appl. Math., 2019)

The Optimal Convergence Rate of Monotone Schemes for Conservation Laws in the Wasserstein Distance. - Adrian Montgomery Ruf; Espen Sande; Susanne Solem (J. Sci. Comput., 2019)

Approximation in FEM, DG and IGA: a theoretical comparison. - Andrea Bressan; Espen Sande (Numerische Mathematik, 2019)

Explicit error estimates for spline approximation of arbitrary smoothness in isogeometric analysis. - Espen Sande; Carla Manni; Hendrik Speleers (Numerische Mathematik, 2020)

Application of optimal spline subspaces for the removal of spurious outliers in isogeometric discretizations. - Carla Manni; Espen Sande; Hendrik Speleers (CoRR, 2021)

Best Low-rank Approximations and Kolmogorov n-widths. - Michael S. Floater; Carla Manni; Espen Sande; Hendrik Speleers (SIAM J. Matrix Anal. Appl., 2021)

A mathematical theory for mass lumping and its generalization with applications to isogeometric analysis. - Yannis Voet; Espen Sande; Annalisa Buffa (CoRR, 2022)

Ritz-type projectors with boundary interpolation properties and explicit spline error estimates. - Espen Sande; Carla Manni; Hendrik Speleers (Numerische Mathematik, 2022)

Robust mass lumping and outlier removal strategies in isogeometric analysis. - Yannis Voet; Espen Sande; Annalisa Buffa (CoRR, 2024)

A theoretical analysis of mass scaling techniques. - Yannis Voet; Espen Sande; Annalisa Buffa (CoRR, 2024)

Mass lumping and stabilization for immersogeometric analysis. - Yannis Voet; Espen Sande; Annalisa Buffa (CoRR, 2025)