Zeev Ditzian, Professor of Mathematics
Publications: Research Articles 2010 - Present

[133] F. Dai, Z. Ditzian and H.W. Huang, Equivalence of measures of smoothness in Lp (S^(d-1)) 1<p< (infinity), Studia Mathematica 196 (2010), no. 2, 179-205.

[134] F. Dai and Z. Ditzian, Jackson Theorem in Lp, 0<p<1, for functions on the shpere, Journal of Approximation Theory 162 (2010), no. 2, 282-291.

[135] Z. Ditzian and A. Prymak, Nikol'skii inequalities for Lorentz spaces, Rocky Mountain Journal of Math 40 (2010), no. 1, 209-223.

[136] Z. Ditzian, Smoothness of a function and the growth of its Fourier coefficients, Journal of Approximation Theory 162 (2010), no. 2, 282-291.

[137] Z. Ditzian and A. Prymak, Approximation by dilated averages and K-functionals, Canadian Journal of Mathematics 62 (2010), no. 4, 737-757.

[138] Z. Ditzian, Optimality of the range for which the equivalence between certain measures of smoothness holds, Studia Mathematica 198 (2010), no. 3, 271-277.

[139] Z. Ditzian and A. Prymak. Convexity, moduli of smoothness and a Jackson-type inequality, Acta Math. Hungar. 130 (2011), no. 3, 254-285.

[140] Z. Ditzian, Absolutely Convergent Expansions, Rend. Cir. Mat. Palermo 60 (2011), no. 99-106.

[141] Z. Ditzian Estimates of the coefficients of Jacobi expansions by measure of smoothness, J. Math. Anal. and Appl. 384 (2011), no. 2, 303-306.

[142] Z. Ditzian and A. Prymak, Extension Technique and Estimates for Moduli of Smoothness on domain in R d, East J. of Approx. (2011), no. 2, 171-179.

[143] Z. Ditzian, Rearrangement Invariance and Relations among Measures of Smoothness, Acta Math Hungar. 135 (2012), no. 3, 270-285.

[144] Z. Ditzian, Relating smoothness to expressions involving Fourier coefficients or to a Fourier transform, Jour. of Approx. Theory (to appear).

[145] Z. Ditzian and A. Prymak, Discrete d-dimensional moduli of smoothness (to appear).

[146] Z. Ditzian, Expansion by polynomials with respect to Freud-type weights (to appear).

[147] Z. Ditzian, Smoothness and best approximation with respect to Freud-type weights, a new approach (to appear).