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Zero Tracts of Blaschke Products
Published online by Cambridge University Press: 20 November 2018
Extract
Let ﹛an﹜ be a sequence of complex numbers such that
and
Then {an} is called a Blaschke sequence. For each Blaschke sequence {an} a Blaschke product is defined as
Thus a Blaschke product B(z, ﹛an﹜) is a function regular in the open unit disk D = {z: |z| < 1﹜ and having a zero at each point of the sequence ﹛an﹜.
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- Copyright © Canadian Mathematical Society 1966
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