×

Found 33 Documents (Results 1–33)

On Kolmogorov widths of classes \(B^ r_{p,\theta}\) of periodic functions of many variables with low smoothness in space \(L_ p\). (English. Russian original) Zbl 0883.42017

Ukr. Math. J. 46, No. 7, 1003-1016 (1994); translation from Ukr. Mat. Zh. 46, No. 7, 915-926 (1994).
MSC:  42B99 41A46 46E35
PDFBibTeX XMLCite
Full Text: DOI

Lower estimates of the widths of classes of functions defined by a modulus of continuity. (English. Russian original) Zbl 0847.41018

Russ. Acad. Sci., Izv., Math. 45, No. 2, 399-415 (1995); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 58, No. 5, 172-188 (1994).
MSC:  41A46 42A10
PDFBibTeX XMLCite
Full Text: DOI

On \(n\)-widths, optimal quadrature formulas, and optimal recovery of functions analytic in a strip. (English. Russian original) Zbl 0839.41015

Russ. Acad. Sci., Izv., Math. 45, No. 1, 55-78 (1995); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 58, No. 4, 55-79 (1994).
MSC:  41A30 41A46
PDFBibTeX XMLCite
Full Text: DOI

On best \(m\)-term approximations and the entropy of sets in the space \(L^ 1\). (English. Russian original) Zbl 0836.41008

Math. Notes 56, No. 5, 1137-1157 (1994); translation from Mat. Zametki 56, No. 5, 57-86 (1994).
PDFBibTeX XMLCite
Full Text: DOI

Filter Results by …

all top 3

Main Field