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Zeros of optimal polynomial approximants in
Raymond Cheng, William T. Ross, Daniel Seco
The study of inner and cyclic functions in spaces requires a better understanding of the zeros of the so-called optimal polynomial approximants. We determine that a poin…
Inner vectors for Toeplitz operators
Raymond Cheng, Javad Mashreghi, William T. Ross
In this paper we survey and bring together several approaches to obtaining inner functions for Toeplitz operators. These approaches include the classical definition, the Wold decom…
Inner functions in reproducing kernel spaces
Raymond Cheng, Javad Mashreghi, William T. Ross
In this paper we explore the notion of inner function in a broader context of operator theory.
Inner functions and zero sets for
Raymond Cheng, Javad Mashreghi, William T. Ross
In this paper we characterize the zero sets of functions from (the analytic functions on the open unit disk whose Taylor coefficients form an sequence)…