Average\mbox{\boldmath $\sigma$}-\mbox{\boldmath $K$} Width of Class of Smooth Functions With \mbox{\boldmath $S$}-average Modulus of Continuity in\mbox{\boldmath $L_2(\mathbb{R})$}

DOI10.11845/SXJZ.2013004BzbMath1340.41040OpenAlexW2592453538MaRDI QIDQ3194456

Aicheng Geng

Publication date: 28 October 2015

Full work available at URL: http://www.oaj.pku.edu.cn/sxjz/CN/10.11845/sxjz.2013004b

zbMATH Keywords

optimal subspace\(S\)-average modulusaverage \(\sigma\)-\(K\) wi\text{d}thaverage \(\sigma\)-dimension subspace

Mathematics Subject Classification ID

Approximation by other special function classes (41A30) Approximation by arbitrary nonlinear expressions; widths and entropy (41A46)

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