Pages that link to "Item:Q2435867"

The following pages link to Best polynomial approximations in \(L_{2}\) of classes of \(2{\pi}\)-periodic functions and exact values of their widths (Q2435867):

Displaying 18 items.

• On the best polynomial approximation in the space \(L_2\) and widths of some classes of functions (Q352127) (← links)
• On widths of periodic functions in \(L_2\) (Q361571) (← links)
• Widths of certain classes of periodic functions in \(L_2\) (Q435169) (← links)
• On the best approximation of periodic functions by trigonometric polynomials and the exact values of widths of function classes in \(L_2\) (Q452862) (← links)
• \(n\)-widths of certain function classes defined by the modulus of continuity (Q505905) (← links)
• Inequalities between the best approximations and homogenizations of moduli of continuity in the space \(L_{2}\) (Q542323) (← links)
• Upper bounds for the approximation of certain classes of functions of a complex variable by Fourier series in the space \(L_2\) and \(n\)-widths (Q722194) (← links)
• On the best quadratic approximation of functions by polynomials (Q1278911) (← links)
• Jackson-type inequalities with generalized modulus of continuity and exact values of the \(n\)-widths for the classes of \((\psi, \beta)\)-differentiable functions in \(L_2\). II (Q1729524) (← links)
• Exact Jackson-Stechkin-type inequalities for \(2\pi \)-periodic functions in \(L_2\) and widths of some classes of functions (Q1760010) (← links)
• Sharp estimates for mean square approximations of classes of differentiable periodic functions by shift spaces (Q1792122) (← links)
• On the best polynomial approximations in \(L_2\) of some classes of \(2\pi\)-periodic functions and of the exact values of their \(n\)-widths (Q1809998) (← links)
• Sharp inequalities between the best root-mean-square approximations of analytic functions in the disk and some smoothness characteristics in the Bergman space (Q2049309) (← links)
• Widths of the classes of functions in the weight space \(L_{2 , \gamma } (\mathbb{R})\), \(\gamma = \mathrm{exp} ( - X^2)\) (Q2107793) (← links)
• Mean-square ``angle'' approximation in the \(L_2\) metric and the values of quasiwidths for some classes of functions (Q2214026) (← links)
• Best mean-square approximations by entire functions of exponential type and mean \(\nu\)-widths of classes of functions on the line (Q2343930) (← links)
• Best polynomial approximations and the widths of function classes in \(L_2\) (Q2440002) (← links)
• Some inequalities between the best simultaneous approximation and the modulus of continuity in a weighted Bergman space (Q6573640) (← links)