The following pages link to Z. Ditzian (Q203546):
Displaying 50 items.
- Hardy-Littlewood inequality for \(H_p(S^{d-1})\) (Q387254) (← links)
- Smoothness and best approximation with respect to Freud-type weights, a new approach (Q397044) (← links)
- Rearrangement invariance and relations among measures of smoothness (Q452847) (← links)
- New moduli of smoothness on the unit ball and other domains, introduction and main properties (Q485325) (← links)
- On Nikol'skii inequalities for domains in \({\mathbb {R}}^d\) (Q530574) (← links)
- Bernstein-type operators and their derivatives (Q583527) (← links)
- Absolutely convergent expansions (Q660471) (← links)
- Expansion by polynomials with respect to Freud-type weights (Q695111) (← links)
- Combinations of multivariate averages (Q707209) (← links)
- Estimates of the coefficients of the Jacobi expansion by measures of smoothness (Q719559) (← links)
- Relating coefficients of expansion of a function to its norm (Q739529) (← links)
- K-functionals and weighted moduli of smoothness (Q752424) (← links)
- Equivalence of rate of approximation and smoothness (Q804854) (← links)
- On Fejér and Bochner-Riesz means (Q818511) (← links)
- Cesàro summability and Marchaud inequality (Q854984) (← links)
- A new fractional form of the Landau-Kolmogorov inequality (Q921515) (← links)
- Jackson inequality for Banach spaces on the sphere (Q949771) (← links)
- Nikol'skii inequalities for Lorentz spaces (Q968581) (← links)
- Smoothness of a function and the growth of its Fourier transform or its Fourier coefficients (Q976200) (← links)
- Inverse theorems for multidimensional Bernstein operators (Q1068304) (← links)
- Polynomials of best approximation in C[-1,1] (Q1069079) (← links)
- K functionals and best polynomial approximation in weighted \(L^ p(R)\) (Q1084591) (← links)
- Rate of convergence of Bernstein polynomials revisited (Q1089540) (← links)
- On divided differences on C[a,b], \(L_ p[a,b]\) and other spaces (Q1090876) (← links)
- Moduli of smoothness using discrete data (Q1099018) (← links)
- Polynomial approximation with exponential weights (Q1105797) (← links)
- A global inverse theorem for combinations of Bernstein polynomials (Q1144739) (← links)
- Some remarks on approximation theorems on various Banach spaces (Q1149599) (← links)
- On interpolation of L//p[a,b] and weighted Sobolev spaces (Q1153521) (← links)
- Best polynomial and Durrmeyer approximation in \(L_ p(S)\) (Q1192451) (← links)
- Multivariate Bernstein and Markov inequalities (Q1198157) (← links)
- Linear approximating processes with limited oscillation (Q1211674) (← links)
- Saturation classes for a sequence convolution operators with limited oscillation (Q1214614) (← links)
- Some remarks on inequalities of Landau and Kolmogorov (Q1219034) (← links)
- Convergence of sequences of linear positive operators: remarks and applications (Q1220036) (← links)
- A note on a problem by H. S. Shapiro (Q1237227) (← links)
- Note on Hille's question (Q1242238) (← links)
- Averages and \(K\)-functionals related to the Laplacian (Q1288269) (← links)
- Fractional derivatives and best approximations (Q1307315) (← links)
- Best approximation and \(K\)-functionals (Q1307330) (← links)
- Strong converse inequality for the Bernstein-Durrmeyer operator (Q1308787) (← links)
- Minimal number of significant directional moduli of smoothness (Q1313670) (← links)
- Optimal approximation class for multivariate Bernstein operators (Q1314966) (← links)
- Strong converse inequality for Kantorovich polynomials (Q1322600) (← links)
- Direct estimate for Bernstein polynomials (Q1335050) (← links)
- Averages on caps of \(S^{d-1}\) (Q1580477) (← links)
- Problems and conjectures in approximation that I would like settled (Q1635264) (← links)
- Relating smoothness to expressions involving Fourier coefficients or to a Fourier transform (Q1759354) (← links)
- Ul'yanov and Nikol'skii-type inequalities (Q1775010) (← links)
- A note on Bernstein-Durrmeyer operators in \(L_ 2(S)\) (Q1804009) (← links)
