The paper is concerned with a sequence of constants which appear in several problems. These problems include the minimal eigenvalue of certain positive definite Toeplitz matrices, the minimal eigenvalue of some higher-order ordinary differential operators, the norm of the Green kernels of these operators, the best constant in a Wirtinger-Sobolev inequality, and the conditioning of a special least squares problem. The main result of the paper gives the asymptotics of this sequence.
CITATION STYLE
Böttcher, A., & Widom, H. (2007). From Toeplitz Eigenvalues through Green’s Kernels to Higher-order Wirtinger-Sobolev Inequalities. In The Extended Field of Operator Theory (pp. 73–87). Birkhäuser Basel. https://doi.org/10.1007/978-3-7643-7980-3_4
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