[133] F. Dai, Z.
Ditzian and H.W. Huang, Equivalence of measures of smoothness in Lp
(S^(d1)) 1<p< (infinity), Studia Mathematica 196 (2010), no. 2, 179205.
[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, 282291.
[135] Z. Ditzian and A.
Prymak, Nikol'skii inequalities for Lorentz spaces, Rocky Mountain
Journal of Math 40 (2010),
no. 1, 209223.
[136] Z. Ditzian,
Smoothness of a function and the growth of its Fourier coefficients, Journal
of Approximation Theory 162
(2010), no. 2, 282291.
[137] Z. Ditzian and
A. Prymak, Approximation by dilated averages and Kfunctionals, Canadian
Journal of Mathematics 62
(2010), no. 4, 737757.
[138] Z. Ditzian,
Optimality of the range for which the equivalence between certain measures
of smoothness holds, Studia Mathematica 198 (2010), no. 3, 271277.
[139] Z. Ditzian and
A. Prymak. Convexity, moduli of smoothness and a Jacksontype inequality, Acta Math. Hungar. 130 (2011), no. 3, 254285.
[140] Z. Ditzian,
Absolutely Convergent Expansions, Rend. Cir. Mat. Palermo 60 (2011), no. 99106.
[141] Z. Ditzian
Estimates of the coefficients of Jacobi expansions by measure of
smoothness, J. Math. Anal. and Appl. 384 (2011), no. 2, 303306.
[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, 171179.
[143] Z. Ditzian,
Rearrangement Invariance and Relations among Measures of Smoothness, Acta Math Hungar. 135 (2012), no. 3, 270285.
[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 ddimensional moduli of smoothness (to appear).
[146] Z.
Ditzian, Expansion by polynomials with respect to Freudtype weights (to
appear).
[147] Z.
Ditzian, Smoothness and best approximation with respect to Freudtype
weights, a new approach (to appear).
