| Publication | Date of Publication | Type |
|---|
| In memoriam: Hubert A. Berens (1936--2015) | 2015-08-17 | Paper |
| In memoriam: Günther Nürnberger, January 13, 1948 -- May 11, 2013 | 2014-03-31 | Paper |
| On the Chebyshev rank of multivariate splines in \(L^1\)-approximation | 2012-11-20 | Paper |
| The Chebyshev rank of multivariate polynomials in \(L^1\)-approximation | 2010-09-29 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5192280 | 2009-08-04 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5422569 | 2007-10-29 | Paper |
| Hermite interpolation of data sets by minimal spline spaces | 2006-09-28 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5482332 | 2006-08-28 | Paper |
| Characterization of periodic \(L^{1}\)-unicity subspaces | 2006-02-07 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5718509 | 2006-01-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3024682 | 2005-07-01 | Paper |
| Uniqueness of periodic best \(L^{1}\)-approximations | 2003-07-30 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2752649 | 2001-10-16 | Paper |
| Interpolation by weak Chebyshev spaces | 2000-12-18 | Paper |
| Interpolation by bivariate linear splines | 2000-08-14 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4240348 | 1999-05-03 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4379943 | 1998-08-24 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4379942 | 1998-07-19 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4381519 | 1998-04-01 | Paper |
| A condition of Schoenberg-Whitney type for multivariate spline interpolation | 1997-03-03 | Paper |
| Interpolation by uni- and multivariate generalized splines | 1996-03-12 | Paper |
| Order of strong uniqueness in best \(L_ \infty\)-approximation by spline spaces | 1994-03-01 | Paper |
| On \(A\)-spaces and their relation to the Hobby-Rice theorem | 1992-06-28 | Paper |
| Some properties of \(A\)-spaces and their relationship to \(L^ 1\)- approximation | 1992-06-25 | Paper |
| Uniform approximation by generalized splines with free knots | 1989-01-01 | Paper |
| A characterization of Descartes systems in Haar subspaces | 1989-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3477444 | 1989-01-01 | Paper |
| Algorithms for Piecewise Polynomials and Splines with Free Knots | 1989-01-01 | Paper |
| On Strong Uniqueness in One-Sided L 1 -Approximation of Differentiable Functions | 1989-01-01 | Paper |
| Properties of unicity subspaces in \(L_ 1\)-approximation | 1988-01-01 | Paper |
| Weak Descartes systems in generalized spline spaces | 1988-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5751356 | 1988-01-01 | Paper |
| Examples of unicity subspaces in L1-approximation | 1987-01-01 | Paper |
| An algorithm for segment approximation | 1986-01-01 | Paper |
| Approximation by generalized splines | 1985-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3710976 | 1985-01-01 | Paper |
| Parametric approximation by splines | 1984-01-01 | Paper |
| Generalized Chebyshevian Splines | 1984-01-01 | Paper |
| Interpolation by generalized splines | 1983-01-01 | Paper |
| Weak Chebyshev spaces and best L//1-approximation | 1983-01-01 | Paper |
| Alternation for best spline approximations | 1983-01-01 | Paper |
| A Remez type algorithm for spline functions | 1983-01-01 | Paper |
| Continuous selections and convergence of best Lp–approximations in subspaces of spline functions | 1983-01-01 | Paper |
| Some results on best L1-approximation of continuous functions | 1983-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3322558 | 1983-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3663772 | 1983-01-01 | Paper |
| Existence of pointwise-Lipschitz-continuous selections of the metric projection for a class of Z-spaces | 1982-01-01 | Paper |
| Finite dimensional subspaces and alternation | 1982-01-01 | Paper |
| A characterization of pointwise-lipschitz-continuous selections for the metric projection | 1982-01-01 | Paper |
| Characterization of Continuous Selections of the Metric Projection for a Class of Weak Chebyshev Spaces | 1982-01-01 | Paper |
| Unicity of best one-sided L1-approximations for certain classes of spline functions | 1982-01-01 | Paper |
| Characterization of Continuous Selections for the Metric Projection for Generalized Splines | 1980-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3925336 | 1980-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3958900 | 1980-01-01 | Paper |
| Nonexistence of Continuous Selections of the Metric Projection for a Class of Weak Chebyshev Spaces | 1980-01-01 | Paper |
| Continuous selections of the metric projection for 1-Chebyshev spaces | 1979-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3869760 | 1979-01-01 | Paper |
| Characterization of continuous selections of the metric projection for spline functions | 1978-01-01 | Paper |
| Weak Chebyshev Subspaces and Continuous Selections for the Metric Projection | 1978-01-01 | Paper |
| Eigenschaften von schwach tschebyscheffschen Räumen | 1977-01-01 | Paper |
| Charakterisierung von Minimallösungen in normierten Vektorräumen durch Eigenschaften von Hyperebenen | 1975-01-01 | Paper |
