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 Orthogonal 
	Polynomials on the Unit Circle  
 
	New Sections Intended for the 
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	I expect to publish a second edition of this 
	book within about five years of publication of the original books. I welcome 
	comments, information about new work, and lists of errors. Typos and Other 
	Errors are discussed on their own page (still under construction!). Here I 
	will post additional sections and major additions to existing sections as 
	they become available. The new Section 2.5 discusses when one has pointwise convergence of the dual polynomials on the unit circle. The new Section 2.7 discusses Levinson and Hartman-Wintner Theorems 
	for difference equations and provides an alternate proof of Szego 
	asymptotics.  | 
  
	
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