scholarly journals Exceptional sets for the derivatives of Blaschke products

Author(s):  
Javad Mashreghi ◽  
Emmanuel Fricain
1976 ◽  
Vol 23 (1) ◽  
pp. 43-51 ◽  
Author(s):  
C. N. Linden

2019 ◽  
Vol 63 (4) ◽  
pp. 716-725
Author(s):  
David Protas

AbstractThe relationship between the distribution of zeros of an infinite Blaschke product $B$ and the inclusion in weighted Bergman spaces $A_{\unicode[STIX]{x1D6FC}}^{p}$ of the derivative of $B$ or the derivative of functions in its model space $H^{2}\ominus \mathit{BH}^{2}$ is investigated.


2018 ◽  
Vol 61 (3) ◽  
pp. 640-649 ◽  
Author(s):  
Atte Reijonen

AbstractIf B is the Blachke product with zeros {zn}, then , whereMoreover, it is a well-known fact that, for 0 < p < ∞,is bounded if and only if Mp(r, ΨB) is bounded. We find a Blaschke product B0 such that Mp(r, ) and Mp(r, ) are not comparable for any < p < ∞. In addition, it is shown that, if 0 < p < ∞, B is a Carleson–Newman Blaschke product and a weight ω satisfies a certain regularity condition, thenwhere d A(z) is the Lebesgue area measure on the unit disc.


2007 ◽  
Vol 50 (3) ◽  
pp. 673-687 ◽  
Author(s):  
Daniel Girela ◽  
José Ángel Peláez ◽  
Dragan Vukotić

AbstractWe study the membership of derivatives of Blaschke products in Hardy and Bergman spaces, especially for the the interpolating Blaschke products and for those whose zeros lie in a Stolz domain. We obtain new and very simple proofs of some known results and prove new theorems that complement or extend the earlier works of Ahern, Clark, Cohn, Kim, Newman, Protas, Rudin, Vinogradov and others.


1971 ◽  
Vol 28 ◽  
pp. 189 ◽  
Author(s):  
P. R. Ahern ◽  
D. N. Clark

2008 ◽  
Vol 50 (2) ◽  
pp. 233-249 ◽  
Author(s):  
EMMANUEL FRICAIN ◽  
JAVAD MASHREGHI

AbstractWe study the rate of growth of some integral means of the derivatives of a Blaschke product and we generalize several classical results. Moreover, we obtain the rate of growth of integral means of the derivative of functions in the model subspaceKBgenerated by the Blaschke productB.


1984 ◽  
Vol 114 (1) ◽  
pp. 175-190 ◽  
Author(s):  
Hong Kim

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