González Merino, Bernardo; Jahn, Thomas; Richter, Christian Uniqueness of circumcenters in generalized Minkowski spaces. (English) Zbl 1402.52003 J. Approx. Theory 237, 153-159 (2019). MSC: 52A20 41A28 41A52 41A65 52A21 52A40 PDFBibTeX XMLCite \textit{B. González Merino} et al., J. Approx. Theory 237, 153--159 (2019; Zbl 1402.52003) Full Text: DOI arXiv
Kobos, Tomasz A uniform estimate of the relative projection constant. (English) Zbl 1507.47037 J. Approx. Theory 225, 58-75 (2018). MSC: 47A58 41A65 47A30 52A21 PDFBibTeX XMLCite \textit{T. Kobos}, J. Approx. Theory 225, 58--75 (2018; Zbl 1507.47037) Full Text: DOI arXiv
Lewicki, Grzegorz; Skrzypek, Lesław Minimal projections onto hyperplanes in \(\ell_p^n\). (English) Zbl 1339.46012 J. Approx. Theory 202, 42-63 (2016). Reviewer: Stefan Cobzaş (Cluj-Napoca) MSC: 46B20 46B25 46B45 47A30 PDFBibTeX XMLCite \textit{G. Lewicki} and \textit{L. Skrzypek}, J. Approx. Theory 202, 42--63 (2016; Zbl 1339.46012) Full Text: DOI
Odyniec, W.; Prophet, M. P. A lower bound of the strongly unique minimal projection constant of \(\ell ^n_\infty\), \(n\geqslant 3\). (English) Zbl 1120.46002 J. Approximation Theory 145, No. 1, 111-121 (2007). Reviewer: Ganesh Datta Dikshit (Auckland) MSC: 46B04 52A21 41A65 PDFBibTeX XMLCite \textit{W. Odyniec} and \textit{M. P. Prophet}, J. Approx. Theory 145, No. 1, 111--121 (2007; Zbl 1120.46002) Full Text: DOI
Schuett, Carsten Entropy numbers of diagonal operators between symmetric Banach spaces. (English) Zbl 0497.41017 J. Approximation Theory 40, 121-128 (1984). MSC: 41A46 41A65 PDFBibTeX XMLCite \textit{C. Schuett}, J. Approx. Theory 40, 121--128 (1984; Zbl 0497.41017) Full Text: DOI