Geodesic
Hyers–Ulam constants of Hilbert spaces
Taneli Huuskonen 1   ; Jussi Väısälä 1
1 Matematiikan laitos Helsingin yliopisto PL 4, Yliopistonkatu 5 00014 Helsinki, Finland
Studia Mathematica, Tome 153 (2002) no. 1, pp. 31-40 Cet article a éte moissonné depuis la source Institute of Mathematics Polish Academy of Sciences

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The best constant in the Hyers–Ulam theorem on isometric approximation in Hilbert spaces is equal to the Jung constant of the space.
DOI : 10.4064/sm153-1-3
Keywords: best constant hyers ulam theorem isometric approximation hilbert spaces equal jung constant space

Taneli Huuskonen  1   ; Jussi Väısälä  1

1 Matematiikan laitos Helsingin yliopisto PL 4, Yliopistonkatu 5 00014 Helsinki, Finland 
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Taneli Huuskonen; Jussi Väısälä. Hyers–Ulam constants of Hilbert spaces. Studia Mathematica, Tome 153 (2002) no. 1, pp. 31-40. doi: 10.4064/sm153-1-3

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