Bendit, Theo Chebyshev subsets of a Hilbert space sphere. (English) Zbl 1428.41033 J. Aust. Math. Soc. 107, No. 3, 289-301 (2019). MSC: 41A50 41A65 46B20 PDFBibTeX XMLCite \textit{T. Bendit}, J. Aust. Math. Soc. 107, No. 3, 289--301 (2019; Zbl 1428.41033) Full Text: DOI
Gingold, Harry; Gingold, Yotam; Hamad, Salah A spherical projection of a complex Hilbert space is conformal iff it is the stereographic projection. (English) Zbl 1404.46019 Differ. Geom. Dyn. Syst. 20, 38-71 (2018). Reviewer: Peter P. Zabreĭko (Minsk) MSC: 46C05 51N15 14M27 14N05 PDFBibTeX XMLCite \textit{H. Gingold} et al., Differ. Geom. Dyn. Syst. 20, 38--71 (2018; Zbl 1404.46019) Full Text: Link
Dolbeault, Jean Sobolev and Hardy-Littlewood-Sobolev inequalities: duality and fast diffusion. (English) Zbl 1272.26010 Math. Res. Lett. 18, No. 6, 1037-1050 (2011). MSC: 26D10 46E35 35K55 PDFBibTeX XMLCite \textit{J. Dolbeault}, Math. Res. Lett. 18, No. 6, 1037--1050 (2011; Zbl 1272.26010) Full Text: DOI arXiv
García-Pacheco, Francisco J.; Seoane-Sepúlveda, Juan B. The stereographic projection in Banach spaces. (English) Zbl 1142.46008 Rocky Mt. J. Math. 37, No. 4, 1167-1172 (2007). MSC: 46B20 46B99 PDFBibTeX XMLCite \textit{F. J. García-Pacheco} and \textit{J. B. Seoane-Sepúlveda}, Rocky Mt. J. Math. 37, No. 4, 1167--1172 (2007; Zbl 1142.46008) Full Text: DOI Euclid