Zur Abschätzung der Eigenwerte einer beschränkten linearen Transformation mit Hilfe der singulären Werte.
Ein Beitrag zur Theorie der stabilen Mannigfaltigkeiten.
Für j .... n ? 3 sind zwei j-Zellen des Rn stets verbindbar.
Mittelwertstrukturen.
Solution de la question proposée au concours général pour la classe de mathématiques spéciales en 1858
Über die Verbindbarkeit von verdickbaren (n-^1) Zellen in topologischen n-Mannigfaltigkeiten
Kritische Sehnen auf Riemannschen Elementarraumstücken.
Die Einbettung von Mittelwertstrukturen in Q-Vektorräume.
Direct Integrals of Selfdual Cones and Standard Forms of Neumann Algebras.
Multiplikation in euklidischen Räumen.
Sobolev-Gagliardo-Nirenberg and Markov Type Inequalities on Subanalytic Domains.
On the calculation of approximate fekete points: the univariate case.
JB algebras with an exceptional ideal.
Transfinite diameter on curves, Hankel determinants and the moment problem
We discuss problems on Hankel determinants and the classical moment problem related to and inspired by certain Vandermonde determinants for polynomial interpolation on (quadratic) algebraic curves in ℂ².
Characterization of smooth, compact algebraic curves in ℝ²
Taylorian points of an algebraic curve and bivariate Hermite interpolation
We introduce and study the notion of Taylorian points of algebraic curves in , which enables us to define intrinsic Taylor interpolation polynomials on curves. These polynomials in turn lead to the construction of a well-behaved Hermitian scheme on curves, of which we give several examples. We show that such Hermitian schemes can be collected to obtain Hermitian bivariate polynomial interpolation schemes.
The transfinite diameter of the real ball and simplex
We calculate the transfinite diameter for the real unit ball and the real unit simplex
Bivariate interpolation at Xu points: results, extensions and applications.
Polynomial interpolation and approximation in
We update the state of the subject approximately 20 years after the publication of T. Bloom, L. Bos, C. Christensen, and N. Levenberg, Polynomial interpolation of holomorphic functions in ℂ and ℂⁿ, Rocky Mountain J. Math. 22 (1992), 441-470. This report is mostly a survey, with a sprinkling of assorted new results throughout.
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