2 papers
math.FA2007★ 13 cited
Reconstruction of the Berger measure when the core is of tensor form
Raul E. Curto, Sang Hoon Lee, Jasang Yoon
Let denote the class of commuting pairs of subnormal operators on Hilbert space, and let $\mathcal{TC}:=\{\mathbf{T}\in \mathfrak{% H}_{0}:c(\mathbf{T)}$ is of t…
math.FA2005
k-hyponormality of multivariable weighted shifts
Raul E. Curto, Sang Hoon Lee, Jasang Yoon
We characterize joint k-hyponormality for 2-variable weighted shifts. Using this characterization we construct a family of examples which establishes and illustrates the gap betwee…