Geodesic
On the Relative Widths of Ellipsoids in Hilbert Space
Matematičeskie zametki, Tome 91 (2012) no. 3, pp. 473-476 Cet article a éte moissonné depuis la source Math-Net.Ru

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Keywords: relative width of a set, Kolmogorov width, separable Hilbert space, centrally symmetric ellipsoid. 
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Yu. N. Subbotin; S. A. Telyakovskii. On the Relative Widths of Ellipsoids in Hilbert Space. Matematičeskie zametki, Tome 91 (2012) no. 3, pp. 473-476. http://geodesic.mathdoc.fr/item/MZM_2012_91_3_a15/

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