Curto, Raúl E.; Lee, Sang Hoon; Yoon, Jasang Quasinormality of powers of commuting pairs of bounded operators. (English) Zbl 07135409 J. Funct. Anal. 278, No. 3, Article ID 108342, 23 p. (2020). MSC: 47B20 47B37 47A13 28A50 44A60 47-04 47A20 PDF BibTeX XML Cite \textit{R. E. Curto} et al., J. Funct. Anal. 278, No. 3, Article ID 108342, 23 p. (2020; Zbl 07135409) Full Text: DOI
Curto, Raúl E.; Kim, Jaewoong; Yoon, Jasang The Aluthge transform of unilateral weighted shifts and the square root problem for finitely atomic measures. (English) Zbl 1447.47029 Math. Nachr. 292, No. 11, 2352-2368 (2019). Reviewer: Abdellatif Bourhim (Syracuse) MSC: 47B20 47B37 PDF BibTeX XML Cite \textit{R. E. Curto} et al., Math. Nachr. 292, No. 11, 2352--2368 (2019; Zbl 1447.47029) Full Text: DOI
Benhida, Chafiq; Curto, Raúl E.; Lee, Sang Hoon; Yoon, Jasang Joint spectra of spherical Aluthge transforms of commuting \(n\)-tuples of Hilbert space operators. (Spectres joints des transformées d’aluthge sphériques de \(n\)-uplets commutatifs d’opérateurs d’un espace de Hilbert.) (English. French summary) Zbl 07132528 C. R., Math., Acad. Sci. Paris 357, No. 10, 799-802 (2019). MSC: 47A13 46E22 47B32 PDF BibTeX XML Cite \textit{C. Benhida} et al., C. R., Math., Acad. Sci. Paris 357, No. 10, 799--802 (2019; Zbl 07132528) Full Text: DOI
Curto, Raúl E.; Yoon, Jasang Spherically quasinormal pairs of commuting operators. (English) Zbl 07121793 Aleman, Alexandru (ed.) et al., Analysis of operators on function spaces. The Serguei Shimorin memorial volume. Including extended versions of lectures of the conference in honor of the memory of Serguei Shimorin at the Mittag-Leffler Institute, Stockholm, Sweden in the summer of 2018. Cham: Springer (ISBN 978-3-030-14639-9/hbk; 978-3-030-14640-5/ebook). Trends in Mathematics, 213-237 (2019). MSC: 47B20 47B37 47A13 28A50 44A60 47-04 47A20 PDF BibTeX XML Cite \textit{R. E. Curto} and \textit{J. Yoon}, in: Analysis of operators on function spaces. The Serguei Shimorin memorial volume. Including extended versions of lectures of the conference in honor of the memory of Serguei Shimorin at the Mittag-Leffler Institute, Stockholm, Sweden in the summer of 2018. Cham: Springer. 213--237 (2019; Zbl 07121793) Full Text: DOI
Curto, Raúl E.; Yoon, Jasang Aluthge transforms of 2-variable weighted shifts. (English) Zbl 06965949 Integral Equations Oper. Theory 90, No. 5, Paper No. 52, 32 p. (2018). MSC: 47B20 47B37 47A13 47B49 47-04 47A20 47A60 44A60 PDF BibTeX XML Cite \textit{R. E. Curto} and \textit{J. Yoon}, Integral Equations Oper. Theory 90, No. 5, Paper No. 52, 32 p. (2018; Zbl 06965949) Full Text: DOI
Curto, Raúl E.; Yoon, Jasang Toral and spherical Aluthge transforms of 2-variable weighted shifts. (Transformations d’Aluthge torales et sphériques de shifts pondérés à deux variables.) (English. Abridged French version) Zbl 1448.47046 C. R., Math., Acad. Sci. Paris 354, No. 12, 1200-1204 (2016). Reviewer: Dana Simona Bereanu (Bucureşti) MSC: 47B37 47B20 PDF BibTeX XML Cite \textit{R. E. Curto} and \textit{J. Yoon}, C. R., Math., Acad. Sci. Paris 354, No. 12, 1200--1204 (2016; Zbl 1448.47046) Full Text: DOI
Curto, Raúl E.; Lee, Sang Hoon; Yoon, Jasang One-step extensions of subnormal 2-variable weighted shifts. (English) Zbl 1318.47033 Integral Equations Oper. Theory 78, No. 3, 415-426 (2014). Reviewer: Takanori Yamamoto (Sapporo) MSC: 47B20 47B37 47A13 28A50 44A60 47A20 PDF BibTeX XML Cite \textit{R. E. Curto} et al., Integral Equations Oper. Theory 78, No. 3, 415--426 (2014; Zbl 1318.47033) Full Text: DOI
Curto, Raúl Enrique; Lee, Sang Hoon; Yoon, Jasang Subnormality of 2-variable weighted shifts with diagonal core. (English. French summary) Zbl 1266.47038 C. R., Math., Acad. Sci. Paris 351, No. 5-6, 203-207 (2013). MSC: 47B20 47B37 PDF BibTeX XML Cite \textit{R. E. Curto} et al., C. R., Math., Acad. Sci. Paris 351, No. 5--6, 203--207 (2013; Zbl 1266.47038) Full Text: DOI
Curto, Raúl E.; Lee, Sang Hoon; Yoon, Jasang Completion of Hankel partial contractions of extremal type. (English) Zbl 1287.15010 J. Math. Phys. 53, No. 12, 123526, 11 p. (2012). Reviewer: Małgorzata Michalska (Lublin) MSC: 15A83 15B05 15A60 47B35 47H09 PDF BibTeX XML Cite \textit{R. E. Curto} et al., J. Math. Phys. 53, No. 12, 123526, 11 p. (2012; Zbl 1287.15010) Full Text: DOI
Curto, Raúl E.; Lee, Sang Hoon; Yoon, Jasang Subnormality for arbitrary powers of 2-variable weighted shifts whose restrictions to a large invariant subspace are tensor products. (English) Zbl 1273.47040 J. Funct. Anal. 262, No. 2, 569-583 (2012). Reviewer: Jiangtao Yuan (Henan) MSC: 47B20 PDF BibTeX XML Cite \textit{R. E. Curto} et al., J. Funct. Anal. 262, No. 2, 569--583 (2012; Zbl 1273.47040) Full Text: DOI arXiv
Curto, Raúl E.; Yoon, Jasang When is hyponormality for 2-variable weighted shifts invariant under powers? (English) Zbl 1252.47020 Indiana Univ. Math. J. 60, No. 3, 997-1032 (2011). MSC: 47B20 47B37 47A13 28A50 PDF BibTeX XML Cite \textit{R. E. Curto} and \textit{J. Yoon}, Indiana Univ. Math. J. 60, No. 3, 997--1032 (2011; Zbl 1252.47020) Full Text: DOI Link
Curto, Raúl E.; Lee, Sang Hoon; Yoon, Jasang A new approach to the 2-variable subnormal completion problem. (English) Zbl 1202.47022 J. Math. Anal. Appl. 370, No. 1, 270-283 (2010). Reviewer: Florian-Horia Vasilescu (Villeneuve d’Ascq) MSC: 47B20 47B37 44A60 PDF BibTeX XML Cite \textit{R. E. Curto} et al., J. Math. Anal. Appl. 370, No. 1, 270--283 (2010; Zbl 1202.47022) Full Text: DOI arXiv
Curto, Raúl E.; Lee, Sang Hoon; Yoon, Jasang Which 2-hyponormal 2-variable weighted shifts are subnormal? (English) Zbl 1154.47015 Linear Algebra Appl. 429, No. 8-9, 2227-2238 (2008). Reviewer: Abdellatif Bourhim (Syracuse) MSC: 47B20 47B37 47A13 44A60 47-04 47A20 28A50 PDF BibTeX XML Cite \textit{R. E. Curto} et al., Linear Algebra Appl. 429, No. 8--9, 2227--2238 (2008; Zbl 1154.47015) Full Text: DOI
Curto, Raúl E.; Lee, Sang Hoon; Yoon, Jasang Reconstruction of the Berger measure when the core is of tensor form. (English) Zbl 1191.47028 Ferrer Santos, Walter (ed.) et al., Actas del XVI coloquio Latinoamericano de álgebra. Madrid: Revista Matemática Iberoamericana (ISBN 978-84-611-7907-7/pbk). Biblioteca de la Revista Matemática Iberoamericana, 317-331 (2007). MSC: 47B20 47B37 47A13 PDF BibTeX XML Cite \textit{R. E. Curto} et al., in: Actas del XVI coloquio Latinoamericano de álgebra. Madrid: Revista Matemática Iberoamericana. 317--331 (2007; Zbl 1191.47028) Full Text: arXiv
Curto, Raúl E.; Yoon, Jasang Propagation phenomena for hyponormal \(2\)-variable weighted shifts. (English) Zbl 1164.47037 J. Oper. Theory 58, No. 1, 175-203 (2007). Reviewer: Michal Zajac (Bratislava) MSC: 47B37 47B20 47A13 28A50 44A60 47A20 PDF BibTeX XML Cite \textit{R. E. Curto} and \textit{J. Yoon}, J. Oper. Theory 58, No. 1, 175--203 (2007; Zbl 1164.47037) Full Text: arXiv
Curto, Raúl E.; Lee, Sang Hoon; Yoon, Jasang Hyponormality and subnormality for powers of commuting pairs of subnormal operators. (English) Zbl 1124.47015 J. Funct. Anal. 245, No. 2, 390-412 (2007). Reviewer: Abdellatif Bourhim (Québec) MSC: 47B20 47B37 47A13 PDF BibTeX XML Cite \textit{R. E. Curto} et al., J. Funct. Anal. 245, No. 2, 390--412 (2007; Zbl 1124.47015) Full Text: DOI arXiv
Curto, Raúl E.; Yoon, Jasang Jointly hyponormal pairs of commuting subnormal operators need not be jointly subnormal. (English) Zbl 1115.47020 Trans. Am. Math. Soc. 358, No. 11, 5139-5159 (2006). Reviewer: Bahman Yousefi (Shiraz) MSC: 47B20 47B37 47A13 28A50 44A60 47-04 47A20 PDF BibTeX XML Cite \textit{R. E. Curto} and \textit{J. Yoon}, Trans. Am. Math. Soc. 358, No. 11, 5139--5159 (2006; Zbl 1115.47020) Full Text: DOI arXiv
Curto, Raúl E.; Yoon, Jasang Spectral pictures of 2-variable weighted shifts. (English) Zbl 1107.47004 C. R., Math., Acad. Sci. Paris 343, No. 9, 579-584 (2006). Reviewer: Alexei Yu. Karlovich (Braga) MSC: 47A10 47B37 PDF BibTeX XML Cite \textit{R. E. Curto} and \textit{J. Yoon}, C. R., Math., Acad. Sci. Paris 343, No. 9, 579--584 (2006; Zbl 1107.47004) Full Text: DOI arXiv
Curto, Raúl E.; Yoon, Jasang Disintegration-of-measure techniques for commuting multivariable weighted shifts. (English) Zbl 1092.47025 Proc. Lond. Math. Soc., III. Ser. 92, No. 2, 381-402 (2006). Reviewer: Alexei Yu. Karlovich (Braga) MSC: 47B20 47B37 47A13 28A50 44A60 47A20 PDF BibTeX XML Cite \textit{R. E. Curto} and \textit{J. Yoon}, Proc. Lond. Math. Soc. (3) 92, No. 2, 381--402 (2006; Zbl 1092.47025) Full Text: DOI
Curto, Raúl E.; Lee, Sang Hoon; Yoon, Jasang \(k\)-Hyponormality of multivariable weighted shifts. (English) Zbl 1088.47011 J. Funct. Anal. 229, No. 2, 462-480 (2005). MSC: 47B20 47B37 47A13 28A50 44A60 47-04 47A20 PDF BibTeX XML Cite \textit{R. E. Curto} et al., J. Funct. Anal. 229, No. 2, 462--480 (2005; Zbl 1088.47011) Full Text: DOI arXiv
Curto, Raúl E.; Poon, Yiu T.; Yoon, Jasang Subnormality of Bergman-like weighted shifts. (English) Zbl 1072.47027 J. Math. Anal. Appl. 308, No. 1, 334-342 (2005). Reviewer: Zenon J. Jabłoński (Kraków) MSC: 47B37 47B20 PDF BibTeX XML Cite \textit{R. E. Curto} et al., J. Math. Anal. Appl. 308, No. 1, 334--342 (2005; Zbl 1072.47027) Full Text: DOI