A sharp estimate of the Landau constants

DOI10.1016/0021-9045(82)90011-9zbMath0486.41013OpenAlexW2015423962MaRDI QIDQ1164804

S. Singh

Publication date: 1982

Published in: Journal of Approximation Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0021-9045(82)90011-9

zbMATH Keywords

operator normTaylor operator

Mathematics Subject Classification ID

Approximation by operators (in particular, by integral operators) (41A35)

Related Items (17)

New bounds and asymptotic expansions for the constants of Landau and Lebesgue ⋮ Sharp bounds of the Landau constants ⋮ Inequalities and asymptotic expansions for the constants of Landau and Lebesgue ⋮ Inequalities for the constants of Landau and Lebesgue ⋮ Sharp bounds for the Landau constants ⋮ Unnamed Item ⋮ Asymptotic expansions for the constants of Landau and Lebesgue ⋮ Full asymptotic expansions of the Landau constants via a difference equation approach ⋮ Approximation formulas for Landau's constants ⋮ Multiple-correction and continued fraction approximation ⋮ Asymptotics of Landau constants with optimal error bounds ⋮ Unified treatment of several asymptotic expansions concerning some mathematical constants ⋮ Some sharp estimates of the constants of Landau and Lebesgue ⋮ Estimates for the constants of Landau and Lebesgue via some inequalities for the Wallis ratio ⋮ Multiple-correction and faster approximation ⋮ Proof of a conjecture of Granath on optimal bounds of the Landau constants ⋮ Padé approximant related to the Wallis formula

Cites Work

• On Wallis' Formula
• Unique Minimality of Fourier Projections
• Unnamed Item
• Unnamed Item

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