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Multipliers Between Model Spaces, Emmanuel Fricain, Andreas Hartmann, William T. Ross
Multipliers Between Model Spaces, Emmanuel Fricain, Andreas Hartmann, William T. Ross
Department of Math & Statistics Faculty Publications
In this paper we examine the multipliers from one model space to another.
The Range And Valence Of A Real Smirnov Function, Timothy Ferguson, William T. Ross
The Range And Valence Of A Real Smirnov Function, Timothy Ferguson, William T. Ross
Department of Math & Statistics Faculty Publications
We give a complete description of the possible ranges of real Smirnov functions (quotients of two bounded analytic functions on the open unit disk where the denominator is outer and such that the radial boundary values are real almost everywhere on the unit circle). Our techniques use the theory of unbounded symmetric Toeplitz operators, some general theory of unbounded symmetric operators, classical Hardy spaces, and an application of the uniformization theorem. In addition, we completely characterize the possible valences for these real Smirnov functions when the valence is finite. To do so we construct Riemann surfaces we call disk trees …
Multipliers Of Sequence Spaces, Raymond Cheng, Javad Mashreghi, William T. Ross
Multipliers Of Sequence Spaces, Raymond Cheng, Javad Mashreghi, William T. Ross
Department of Math & Statistics Faculty Publications
This paper is selective survey on the space lAp and its multipliers. It also includes some connections of multipliers to Birkhoff-James orthogonality.
Bad Boundary Behavior In Star Invariant Subspaces Ii, William T. Ross, Andreas Hartmann
Bad Boundary Behavior In Star Invariant Subspaces Ii, William T. Ross, Andreas Hartmann
Department of Math & Statistics Faculty Publications
We continue our study begun in [HR11] concerning the radial growth of functions in the model spaces (IH2)⊥.