783 citations
- Ames National LaboratoryUS13 papers
- Missouri University of Science and TechnologyUS2 papers
- Osnabrück UniversityDE2 papers
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- University of IowaUS2 papers
- Baylor College of MedicineUS1 paper
- Brookhaven National LaboratoryUS1 paper
- California Institute of TechnologyUS1 paper
- Canadian Institute for Advanced ResearchCA1 paper
- CEA GrenobleFR1 paper
- Collège de FranceFR1 paper
- Colorado School of MinesUS1 paper
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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…
math.FA2004★ 1 cited
Jointly hyponormal pairs of commuting subnormal operators need not be jointly subnormal
Raul Curto, Jasang Yoon
We construct three different families of commuting pairs of subnormal operators, jointly hyponormal but not admitting commuting normal extensions. Each such family can be used to a…