Chō, Muneo; Tanahashi, Kôtarô New spectral mapping theorem of the Taylor spectrum. (English) Zbl 07564199 Sci. Math. Jpn. 84, No. 2, 145-154 (2021). MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. Chō} and \textit{K. Tanahashi}, Sci. Math. Jpn. 84, No. 2, 145--154 (2021; Zbl 07564199)
Chō, Muneo; Hur, Injo; Lee, Ji Eun On the single-valued extension property of hyponormal operators on Banach spaces. (English) Zbl 1520.47049 Mediterr. J. Math. 18, No. 1, Paper No. 34, 11 p. (2021). Reviewer: Abdellatif Bourhim (Syracuse) MSC: 47B20 47A11 PDFBibTeX XMLCite \textit{M. Chō} et al., Mediterr. J. Math. 18, No. 1, Paper No. 34, 11 p. (2021; Zbl 1520.47049) Full Text: DOI
Sid Ahmed, Ould Ahmed Mahmoud; Chō, Muneo; Lee, Jieun On \(n\)-quasi-\((m, C)\)-isometric operators. (English) Zbl 07299233 Linear Multilinear Algebra 68, No. 5, 1001-1020 (2020). MSC: 47B20 47B99 PDFBibTeX XMLCite \textit{O. A. M. Sid Ahmed} et al., Linear Multilinear Algebra 68, No. 5, 1001--1020 (2020; Zbl 07299233) Full Text: DOI
Chō, Muneo; Mosić, Dijana; Načevska Nastovska, Biljana; Saito, Taiga Spectral properties of square hyponormal operators. (English) Zbl 1498.47055 Filomat 33, No. 15, 4845-4854 (2019). MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. Chō} et al., Filomat 33, No. 15, 4845--4854 (2019; Zbl 1498.47055) Full Text: DOI
Prasad, T.; Chō, M.; Rashid, M. H. M.; Tanahashi, K.; Uchiyama, A. Class \(p\)-\(w A (s, t)\) operators and range kernel orthogonality. (English) Zbl 07104592 Sci. Math. Jpn. 82, No. 1, 45-55 (2019). MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{T. Prasad} et al., Sci. Math. Jpn. 82, No. 1, 45--55 (2019; Zbl 07104592)
Chō, M.; Prasad, T.; Rashid, M. H. M.; Tanahashi, K.; Uchiyama, A. Fuglede-Putnam theorem and quasisimilarity of class \(p-wA(s,t)\) operators. (English) Zbl 1517.47035 Oper. Matrices 13, No. 1, 293-299 (2019). MSC: 47B20 47A62 47A10 PDFBibTeX XMLCite \textit{M. Chō} et al., Oper. Matrices 13, No. 1, 293--299 (2019; Zbl 1517.47035) Full Text: DOI
Rashid, M. H. M.; Cho, Muneo; Prasad, T.; Tanahashi, Kotaro; Uciyama, Atsushi Weyl’s theorem and Putnam’s inequality for class \(p-wA(s,t)\) operators. (English) Zbl 1424.47051 Acta Sci. Math. 84, No. 3-4, 573-589 (2018). Reviewer: Khristo N. Boyadzhiev (Ada) MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. H. M. Rashid} et al., Acta Sci. Math. 84, No. 3--4, 573--589 (2018; Zbl 1424.47051) Full Text: DOI
Mahmoud, Sid Ahmed Ould Ahmed; Chō, Muneo; Lee, Ji Eun On \((m, C)\)-isometric commuting tuples of operators on a Hilbert space. (English) Zbl 1512.47042 Result. Math. 73, No. 2, Paper No. 51, 31 p. (2018). MSC: 47B20 47A13 PDFBibTeX XMLCite \textit{S. A. O. A. Mahmoud} et al., Result. Math. 73, No. 2, Paper No. 51, 31 p. (2018; Zbl 1512.47042) Full Text: DOI
Chō, Muneo; Rashid, M. H. M.; Tanahashi, Kotaro; Uchiyama, Atsushi Spectrum of class \(p-wA(s, t)\) operators. (English) Zbl 1399.47077 Acta Sci. Math. 82, No. 3-4, 641-649 (2016). MSC: 47B20 PDFBibTeX XMLCite \textit{M. Chō} et al., Acta Sci. Math. 82, No. 3--4, 641--649 (2016; Zbl 1399.47077) Full Text: DOI
Chō, Muneo; Ko, Eungil; Lee, Ji Eun On \(m\)-complex symmetric operators. II. (English) Zbl 1422.47029 Mediterr. J. Math. 13, No. 5, 3255-3264 (2016). Reviewer: Hassane Zguitti (Nador) MSC: 47B20 47A10 47A11 47B25 PDFBibTeX XMLCite \textit{M. Chō} et al., Mediterr. J. Math. 13, No. 5, 3255--3264 (2016; Zbl 1422.47029) Full Text: DOI
Zhang, Lingling; Ohwada, Tomoyoshi; Chō, Muneo On \(\lambda\)-commuting operators. (English) Zbl 1250.47024 Int. Math. Forum 6, No. 33-36, 1685-1690 (2011). MSC: 47B20 PDFBibTeX XMLCite \textit{L. Zhang} et al., Int. Math. Forum 6, No. 33--36, 1685--1690 (2011; Zbl 1250.47024) Full Text: Link
Chō, Muneo; Nakazi, Tkahiko; Yamazaki, Takeaki Hyponormal operators and two-isometry. (English) Zbl 1225.47024 Far East J. Math. Sci. (FJMS) 49, No. 1, 111-119 (2011). Reviewer: Fuad Kittaneh (Amman) MSC: 47B20 PDFBibTeX XMLCite \textit{M. Chō} et al., Far East J. Math. Sci. (FJMS) 49, No. 1, 111--119 (2011; Zbl 1225.47024) Full Text: Link
Chō, Muneo; Huruya, Tadasi A remark on numerical range of semi-hyponormal operators. (English) Zbl 1207.47017 Linear Multilinear Algebra 58, No. 5-6, 711-714 (2010). Reviewer: Janko Bračič (Ljubljana) MSC: 47B20 47A12 PDFBibTeX XMLCite \textit{M. Chō} and \textit{T. Huruya}, Linear Multilinear Algebra 58, No. 5--6, 711--714 (2010; Zbl 1207.47017) Full Text: DOI
Chō, M.; Huruya, T. Determinants of characteristic functions of \(p\)-hyponormal operators. (English) Zbl 1201.47023 Math. Proc. R. Ir. Acad. 109A, No. 2, 137-146 (2009). Reviewer: Abdellatif Bourhim (Syracuse) MSC: 47B20 47B10 PDFBibTeX XMLCite \textit{M. Chō} and \textit{T. Huruya}, Math. Proc. R. Ir. Acad. 109A, No. 2, 137--146 (2009; Zbl 1201.47023)
Cho, Muneo; Jung, Il Bong; Lee, Woo Young On the iterated Duggal transforms. (English) Zbl 1207.47018 Kyungpook Math. J. 49, No. 4, 647-650 (2009). Reviewer: Abdellatif Bourhim (Syracuse) MSC: 47B20 47A10 47A58 PDFBibTeX XMLCite \textit{M. Cho} et al., Kyungpook Math. J. 49, No. 4, 647--650 (2009; Zbl 1207.47018) Full Text: DOI
Chō, Muneo; Huruya, Tadasi Trace formula for partial isometry case. (English) Zbl 1200.47027 Tokyo J. Math. 32, No. 1, 27-32 (2009). Reviewer: Eungil Ko (Seoul) MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. Chō} and \textit{T. Huruya}, Tokyo J. Math. 32, No. 1, 27--32 (2009; Zbl 1200.47027) Full Text: DOI
Chō, Muneo; Huruya, Tadasi; Lee, Jun Ik On Xia’s proposition. (English) Zbl 1200.47028 Int. Math. Forum 4, No. 1-4, 161-164 (2009). Reviewer: Michal Zajac (Bratislava) MSC: 47B20 47A13 PDFBibTeX XMLCite \textit{M. Chō} et al., Int. Math. Forum 4, No. 1--4, 161--164 (2009; Zbl 1200.47028) Full Text: Link
Chō, Muneo; Lee, Jun Ik; Yamazaki, Takeaki On the operator equation \(AB = zBA\). (English) Zbl 1213.47022 Sci. Math. Jpn. 69, No. 2, 257-263 (2009). Reviewer: Paul McGuire (Lewisburg) MSC: 47B20 47A10 47B47 81S05 PDFBibTeX XMLCite \textit{M. Chō} et al., Sci. Math. Jpn. 69, No. 2, 257--263 (2009; Zbl 1213.47022) Full Text: Link
Chō, Muneo; Giga, Mariko; Kim, An Hyun Spectrum and principal function of operators. (English) Zbl 1156.47028 Ando, Tsuyoshi (ed.) et al., Recent advances in operator theory and applications. Proceedings of the international workshop on operator theory and applications (IWOTA), Seoul, Korea, July 31–August 3, 2006. Basel: Birkhäuser (ISBN 978-3-7643-8892-8/hbk). Operator Theory: Advances and Applications 187, 117-123 (2009). MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. Chō} et al., Oper. Theory: Adv. Appl. 187, 117--123 (2009; Zbl 1156.47028) Full Text: DOI
Patel, S. M.; Chō, M.; Tanahashi, K.; Uchiyama, A. Putnam’s inequality for class \(A\) operators and an operator transform by Chō and Yamazaki. (English) Zbl 1167.47019 Sci. Math. Jpn. 67, No. 3, 393-401 (2008). Reviewer: Bebe Prunaru (Bucureşti) MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{S. M. Patel} et al., Sci. Math. Jpn. 67, No. 3, 393--401 (2008; Zbl 1167.47019)
Chō, Muneo; Huruya, Tadasi; Tanahashi, Kôtarô Xia spectrum for some class of operators. (English) Zbl 1160.47021 Integral Equations Oper. Theory 61, No. 2, 159-165 (2008). Reviewer: Jiangtao Yuan (Henan) MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. Chō} et al., Integral Equations Oper. Theory 61, No. 2, 159--165 (2008; Zbl 1160.47021) Full Text: DOI
Chō, Muneo; Huruya, Tadasi; Seto, Michio A simple proof of Xia’s proposition. (English) Zbl 1151.47030 Int. Math. Forum 2, No. 41-44, 2079-2082 (2007). Reviewer: Michal Zajac (Bratislava) MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. Chō} et al., Int. Math. Forum 2, No. 41--44, 2079--2082 (2007; Zbl 1151.47030) Full Text: DOI
Chō, Muneo; Giga, Mariko; Huruya, Tadasi; Yamazaki, Takeaki A remark on support of the principal function for class A operators. (English) Zbl 1135.47017 Integral Equations Oper. Theory 57, No. 3, 303-308 (2007). Reviewer: Abdellatif Bourhim (Québec) MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. Chō} et al., Integral Equations Oper. Theory 57, No. 3, 303--308 (2007; Zbl 1135.47017) Full Text: DOI
Chō, Muneo; Nakazi, Takahiko Spectral area estimates for norms of commutators. (English) Zbl 1142.47012 J. Korean Math. Soc. 44, No. 4, 855-861 (2007). Reviewer: Eungil Ko (Seoul) MSC: 47B20 47A30 PDFBibTeX XMLCite \textit{M. Chō} and \textit{T. Nakazi}, J. Korean Math. Soc. 44, No. 4, 855--861 (2007; Zbl 1142.47012) Full Text: DOI
Chō, Muneo; Huruya, Tadasi; Kim, An Hyun; Li, Chunji Principal functions for high powers of operators. (English) Zbl 1120.47016 Tokyo J. Math. 29, No. 1, 111-116 (2006). Reviewer: Shanli Sun (Beijing) MSC: 47B20 47A15 PDFBibTeX XMLCite \textit{M. Chō} et al., Tokyo J. Math. 29, No. 1, 111--116 (2006; Zbl 1120.47016) Full Text: DOI
Chō, Muneo; Huruya, Tadasi Trace formulae of \(p\)-hyponormal operators. II. (English) Zbl 1159.47008 Hokkaido Math. J. 35, No. 2, 247-259 (2006). MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. Chō} and \textit{T. Huruya}, Hokkaido Math. J. 35, No. 2, 247--259 (2006; Zbl 1159.47008) Full Text: DOI
Chō, Muneo; Jung, Il Bong; Lee, Woo Young On Aluthge transforms of \(p\)-hyponormal operators. (English) Zbl 1155.47304 Integral Equations Oper. Theory 53, No. 3, 321-329 (2005). MSC: 47B20 47B37 47A15 PDFBibTeX XMLCite \textit{M. Chō} et al., Integral Equations Oper. Theory 53, No. 3, 321--329 (2005; Zbl 1155.47304) Full Text: DOI
Chō, Muneo; Huruya, Tadasi Relations between the principal functions of \(p\)-hyponormal operators. (English) Zbl 1080.47020 J. Math. Soc. Japan 57, No. 2, 605-618 (2005). Reviewer: Paşc Găvruţă (Timişoara) MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. Chō} and \textit{T. Huruya}, J. Math. Soc. Japan 57, No. 2, 605--618 (2005; Zbl 1080.47020) Full Text: DOI
Chō, Muneo; Huruya, Tadasi; Tanahashi, Kôtarô Unitary dilation for polar decompositions of \(p\)-hyponormal operators. (English) Zbl 1085.47026 Jarosz, Krzysztof (ed.) et al., Topological algebras, their applications, and related topics. Proceedings of the conference to celebrate the 70th birthday of Professor Wiesław Żelazko, Bȩdlewo, Poland, May 11–17, 2003. Warsaw: Polish Academy of Sciences, Institute of Mathematics. Banach Center Publications 67, 139-144 (2005). Reviewer: Abdellatif Bourhim (Québec) MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. Chō} et al., Banach Cent. Publ. 67, 139--144 (2005; Zbl 1085.47026)
Chō, Muneo; Huruya, Tadasi; Yamazaki, Takeaki Mosaic and principal functions of log-hyponormal operators. (English) Zbl 1077.47023 Integral Equations Oper. Theory 48, No. 3, 295-304 (2004). Reviewer: Zenon J. Jabłoński (Kraków) MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. Chō} et al., Integral Equations Oper. Theory 48, No. 3, 295--304 (2004; Zbl 1077.47023) Full Text: DOI
Tanahashi, Kôtarô; Chō, Muneo Tensor products of log-hyponormal and of class \(A(s,t)\) operators. (English) Zbl 1076.47016 Glasg. Math. J. 46, No. 1, 91-95 (2004). Reviewer: Zenon J. Jabłoński (Kraków) MSC: 47B20 47A80 PDFBibTeX XMLCite \textit{K. Tanahashi} and \textit{M. Chō}, Glasg. Math. J. 46, No. 1, 91--95 (2004; Zbl 1076.47016) Full Text: DOI
Chō, Muneo; Huruya, Tadasi Trace formulae for \(p\)-hyponormal operators. (English) Zbl 1065.47022 Stud. Math. 161, No. 1, 1-18 (2004). Reviewer: Salah Mecheri (Riyadh) MSC: 47B20 47A10 47B10 PDFBibTeX XMLCite \textit{M. Chō} and \textit{T. Huruya}, Stud. Math. 161, No. 1, 1--18 (2004; Zbl 1065.47022) Full Text: DOI Link
Tanahashi, Kôtarô; Uchiyama, Atsushi; Chō, Muneo Isolated points of spectrum of (\(p,k\))-quasihyponormal operators. (English) Zbl 1058.47020 Linear Algebra Appl. 382, 221-229 (2004). MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{K. Tanahashi} et al., Linear Algebra Appl. 382, 221--229 (2004; Zbl 1058.47020) Full Text: DOI
Chō, M.; Giga, M.; Han, Y. M.; Huruya, T. Spectral mapping theorems for hyponormal operators. (English) Zbl 1093.47022 Math. Proc. R. Ir. Acad. 103A, No. 2, 209-216 (2003). MSC: 47B20 47A10 47A15 PDFBibTeX XMLCite \textit{M. Chō} et al., Math. Proc. R. Ir. Acad. 103A, No. 2, 209--216 (2003; Zbl 1093.47022) Full Text: DOI
Chō, Muneo; Han, Young Min; Huruya, Tadasi Spectral mapping properties for hyponormal operators. (English) Zbl 1051.47018 Acta Sci. Math. 69, No. 3-4, 789-800 (2003). MSC: 47B20 PDFBibTeX XMLCite \textit{M. Chō} et al., Acta Sci. Math. 69, No. 3--4, 789--800 (2003; Zbl 1051.47018)
Chō, Muneo; Sołtysiak, A.; Yamazaki, Takeaki On approximate point joint spectrum of \(p\)-hyponormal and log-hyponormal operators. (English) Zbl 1065.47023 Ann. Soc. Math. Pol., Ser. I, Commentat. Math. 43, No. 1, 33-41 (2003). Reviewer: Mihai Putinar (Santa Barbara) MSC: 47B20 47A13 47A10 PDFBibTeX XMLCite \textit{M. Chō} et al., Ann. Soc. Math. Pol., Ser. I, Commentat. Math. 43, No. 1, 33--41 (2003; Zbl 1065.47023)
Chō, Muneo; Huruya, Tadasi Riemann–Hilbert problem for operators associated with hyponormal operators and increasing functions. (English) Zbl 1075.47012 Int. J. Pure Appl. Math. 9, No. 2, 145-151 (2003). Reviewer: Woo Young Lee (Seoul) MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. Chō} and \textit{T. Huruya}, Int. J. Pure Appl. Math. 9, No. 2, 145--151 (2003; Zbl 1075.47012)
Chō, Muneo; Huruya, Tadasi Aluthge transformations and invariant subspaces of \(p\)-hyponormal operators. (English) Zbl 1068.47029 Hokkaido Math. J. 32, No. 2, 445-450 (2003). Reviewer: Bebe Prunaru (Bucureşti) MSC: 47B20 47A15 PDFBibTeX XMLCite \textit{M. Chō} and \textit{T. Huruya}, Hokkaido Math. J. 32, No. 2, 445--450 (2003; Zbl 1068.47029) Full Text: DOI
Chō, Muneo; Lee, Jun Ik \(p\)-hyponormality is not translation-invariant. (English) Zbl 1037.47015 Proc. Am. Math. Soc. 131, No. 10, 3109-3111 (2003). Reviewer: Takeaki Yamazaki (Yokohama) MSC: 47B20 47B35 PDFBibTeX XMLCite \textit{M. Chō} and \textit{J. I. Lee}, Proc. Am. Math. Soc. 131, No. 10, 3109--3111 (2003; Zbl 1037.47015) Full Text: DOI
Chō, Muneo; Huruya, Tadasi Mosaic and trace formulae of log-hyponormal operators. (English) Zbl 1052.47015 J. Math. Soc. Japan 55, No. 1, 255-268 (2003). Reviewer: Eungil Ko (Seoul) MSC: 47B20 PDFBibTeX XMLCite \textit{M. Chō} and \textit{T. Huruya}, J. Math. Soc. Japan 55, No. 1, 255--268 (2003; Zbl 1052.47015) Full Text: DOI
Chō, Muneo; Giga, Mariko; Han, Young Min; Huruya, Tadasi Rectangular cutting for operators associated with hyponormal operators and increasing functions. (English) Zbl 1057.47029 Far East J. Math. Sci. (FJMS) 7, No. 3, 333-339 (2002). Reviewer: Eungil Ko (Seoul) MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. Chō} et al., Far East J. Math. Sci. (FJMS) 7, No. 3, 333--339 (2002; Zbl 1057.47029)
Chō, Muneo; Tanahashi, Kôtarô Isolated point of spectrum of \(p\)-hyponormal, log-hyponormal operators. (English) Zbl 1047.47017 Integral Equations Oper. Theory 43, No. 4, 379-384 (2002). Reviewer: Andrzej Sołtysiak (Poznań) MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. Chō} and \textit{K. Tanahashi}, Integral Equations Oper. Theory 43, No. 4, 379--384 (2002; Zbl 1047.47017) Full Text: DOI
Chō, Muneo; Huruya, Tadasi; Kim, Young Ok A note on \(w\)-hyponormal operators. (English) Zbl 1044.47017 J. Inequal. Appl. 7, No. 1, 1-10 (2002). Reviewer: Messoud Efendiev (Berlin) MSC: 47B20 47A30 47A63 PDFBibTeX XMLCite \textit{M. Chō} et al., J. Inequal. Appl. 7, No. 1, 1--10 (2002; Zbl 1044.47017) Full Text: DOI
Cho, Muneo; Huruya, Tadasi; Itoh, Masuo Singular integral models for log-hyponormal operators and the Riemann-Hilbert problem. (English) Zbl 1041.47009 Int. J. Math. Game Theory Algebra 11, No. 6, 55-69 (2001). Reviewer: D. Przeworska-Rolewicz (Warszawa) MSC: 47B20 47G10 30E20 45E05 PDFBibTeX XMLCite \textit{M. Cho} et al., Int. J. Math. Game Theory Algebra 11, No. 6, 55--69 (2001; Zbl 1041.47009)
Uchiyama, Atsushi; Tanahashi, Kôtarô; Chō, Muneo Isolated points of the spectrum of \(p\)-hyponormal, \(p\)-quasihyponormal operators. (Japanese) Zbl 0985.47506 RIMS Kokyuroku 1189, 66-81 (2001). MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{A. Uchiyama} et al., RIMS Kokyuroku 1189, 66--81 (2001; Zbl 0985.47506)
Chō, Muneo; Tanahashi, Kôtarô Angular cutting for log-hyponormal operators. (English) Zbl 0989.47016 Integral Equations Oper. Theory 40, No. 4, 383-390 (2001). Reviewer: Gerhard Garske (Hagen) MSC: 47B20 PDFBibTeX XMLCite \textit{M. Chō} and \textit{K. Tanahashi}, Integral Equations Oper. Theory 40, No. 4, 383--390 (2001; Zbl 0989.47016) Full Text: DOI
Chō, M.; Huruya, T. Square of \(w\)-hyponormal operators. (English) Zbl 0989.47015 Integral Equations Oper. Theory 39, No. 4, 413-420 (2001). Reviewer: G.Garske (Hagen) MSC: 47B20 47A30 47A63 PDFBibTeX XMLCite \textit{M. Chō} and \textit{T. Huruya}, Integral Equations Oper. Theory 39, No. 4, 413--420 (2001; Zbl 0989.47015) Full Text: DOI
Chō, Muneo; Hwang, In Sung; Lee, Jun Ik On spectral properties of log-hyponormal operators. (English) Zbl 0968.47514 RIMS Kokyuroku 1144, 77-84 (2000). MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. Chō} et al., RIMS Kokyuroku 1144, 77--84 (2000; Zbl 0968.47514)
Chō, Muneo; Huruya, Tadasi; Kim, Young Ok; Lee, Jun Ik A note of real parts of some semi-hyponormal operators. (English) Zbl 0968.47510 RIMS Kokyuroku 1144, 85-91 (2000). MSC: 47B20 PDFBibTeX XMLCite \textit{M. Chō} et al., RIMS Kokyuroku 1144, 85--91 (2000; Zbl 0968.47510)
Chō, M.; Curto, R. E.; Huruya, T.; Żelazko, W. Cartesian form of Putnam’s inequality for doubly commuting hyponormal \(n\)-tuples. (English) Zbl 0982.47021 Indiana Univ. Math. J. 49, No. 4, 1437-1448 (2000). Reviewer: Takashi Yoshino (Sendai) MSC: 47B20 47A13 PDFBibTeX XMLCite \textit{M. Chō} et al., Indiana Univ. Math. J. 49, No. 4, 1437--1448 (2000; Zbl 0982.47021) Full Text: DOI
Chō, M.; Duggal, B. P.; Lee, W. Y. Putnam’s inequality of doubly commuting \(n\)-tuples for log-hyponormal operators. (English) Zbl 0983.47016 Math. Proc. R. Ir. Acad. 100A, No. 2, 163-169 (2000). Reviewer: Mihai Putinar (Santa Barbara) MSC: 47B20 47A13 PDFBibTeX XMLCite \textit{M. Chō} et al., Math. Proc. R. Ir. Acad. 100A, No. 2, 163--169 (2000; Zbl 0983.47016)
Chō, Muneo; Huruya, Tadasi; Kim, Young Ok; Lee, Jun Ik A note on real parts of semi-hyponormal operators. (English) Zbl 0973.47019 Acta Sci. Math. 66, No. 3-4, 731-736 (2000). Reviewer: M.Putinar (Santa Barbara) MSC: 47B20 PDFBibTeX XMLCite \textit{M. Chō} et al., Acta Sci. Math. 66, No. 3--4, 731--736 (2000; Zbl 0973.47019)
Chō, M.; Huruya, T.; Itoh, M. Spectra of completely log-hyponormal operators. (English) Zbl 0971.47017 Integral Equations Oper. Theory 37, No. 1, 1-8 (2000). MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. Chō} et al., Integral Equations Oper. Theory 37, No. 1, 1--8 (2000; Zbl 0971.47017) Full Text: DOI
Chō, Muneo; Jeon, In Ho; Lee, Jun Ik Spectral and structural properties of log-hyponormal operators. (English) Zbl 0967.47012 Glasg. Math. J. 42, No. 3, 345-350 (2000). Reviewer: Takashi Yoshino (Sendai) MSC: 47B20 PDFBibTeX XMLCite \textit{M. Chō} et al., Glasg. Math. J. 42, No. 3, 345--350 (2000; Zbl 0967.47012) Full Text: DOI
Cho, Muneo Relations between the Taylor spectrum and the Xia spectrum. (English) Zbl 0948.47025 Proc. Am. Math. Soc. 128, No. 8, 2357-2363 (2000). Reviewer: M.Kutkut (Amman) MSC: 47B20 47A13 PDFBibTeX XMLCite \textit{M. Cho}, Proc. Am. Math. Soc. 128, No. 8, 2357--2363 (2000; Zbl 0948.47025) Full Text: DOI
Chō, Muneo; Tanahashi, Kôtarô Spectral properties of log-hyponormal operators. (English) Zbl 0960.47014 Sci. Math. 2, No. 2, 223-230 (1999). MSC: 47B20 PDFBibTeX XMLCite \textit{M. Chō} and \textit{K. Tanahashi}, Sci. Math. 2, No. 2, 223--230 (1999; Zbl 0960.47014)
Chō, Muneo; Duggal, Bhaggy P. \(p\)-hyponormal operators-functional transformations and spectra. (English) Zbl 0961.47011 Sci. Math. 2, No. 2, 141-144 (1999). MSC: 47B20 47A10 47A60 PDFBibTeX XMLCite \textit{M. Chō} and \textit{B. P. Duggal}, Sci. Math. 2, No. 2, 141--144 (1999; Zbl 0961.47011)
Chō, Muneo; Huruya, Tadasi Putnam’s inequality for \(p\)-hyponormal \(n\)-tuples. (English) Zbl 0929.47012 Glasg. Math. J. 41, No. 1, 13-17 (1999). Reviewer: Takashi Yoshino (Sendai) MSC: 47B20 PDFBibTeX XMLCite \textit{M. Chō} and \textit{T. Huruya}, Glasg. Math. J. 41, No. 1, 13--17 (1999; Zbl 0929.47012) Full Text: DOI
Chō, M.; Nagano, Y. Simple proof of the \(p\)-hyponormality of the Aluthge transformation. (English) Zbl 0929.47014 Integral Equations Oper. Theory 33, No. 2, 248-251 (1999). Reviewer: Takashi Yoshino (Sendai) MSC: 47B20 47A63 PDFBibTeX XMLCite \textit{M. Chō} and \textit{Y. Nagano}, Integral Equations Oper. Theory 33, No. 2, 248--251 (1999; Zbl 0929.47014) Full Text: DOI
Chō, Muneo; Nagano, Yoshihiko Spectral mapping theorems and Weyl spectra for hyponormal operators. (English) Zbl 1019.47025 Nihonkai Math. J. 9, No. 1, 105-110 (1998). MSC: 47B20 47A10 47A60 PDFBibTeX XMLCite \textit{M. Chō} and \textit{Y. Nagano}, Nihonkai Math. J. 9, No. 1, 105--110 (1998; Zbl 1019.47025)
Duggal, B. P.; Cho, M.; Huruya, T. Corrigendum to “On the spectrum of \(p\)-hyponormal operators”. (English) Zbl 0921.47020 Acta Sci. Math. 64, No. 3-4, 741-742 (1998). MSC: 47B20 47A30 PDFBibTeX XMLCite \textit{B. P. Duggal} et al., Acta Sci. Math. 64, No. 3--4, 741--742 (1998; Zbl 0921.47020)
Chō, Muneo; Huruya, Tadasi; Itoh, Masuo Riemann-Hilbert problem for characteristic functions of \(p\)-hyponormal operators. (English) Zbl 0918.47021 Acta Sci. Math. 64, No. 1-2, 271-279 (1998). Reviewer: Gerhard Garske (Hagen) MSC: 47B20 47B38 PDFBibTeX XMLCite \textit{M. Chō} et al., Acta Sci. Math. 64, No. 1--2, 271--279 (1998; Zbl 0918.47021)
Chō, Muneo; Huruya, Tadasi; Itoh, Masuo Singular integral models for \(p\)-hyponormal operators and the Riemann-Hilbert problem. (English) Zbl 0929.47013 Stud. Math. 130, No. 3, 213-221 (1998). Reviewer: Takashi Yoshino (Sendai) MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. Chō} et al., Stud. Math. 130, No. 3, 213--221 (1998; Zbl 0929.47013) Full Text: EuDML
Chō, Muneo An extension of Putnam’s inequality. (Japanese) Zbl 0925.47012 RIMS Kokyuroku 979, 124-127 (1997). MSC: 47B20 47A30 PDFBibTeX XMLCite \textit{M. Chō}, RIMS Kokyuroku 979, 124--127 (1997; Zbl 0925.47012)
Chō, Muneo; Itoh, Masuo; Ōshiro, Satoru Weyl’s theorem holds for \(p\)-hyponormal operators. (English) Zbl 0902.47021 Glasg. Math. J. 39, No. 2, 217-220 (1997). Reviewer: T.Yoshino (Kawauchi / Sendai) MSC: 47B20 PDFBibTeX XMLCite \textit{M. Chō} et al., Glasg. Math. J. 39, No. 2, 217--220 (1997; Zbl 0902.47021) Full Text: DOI
Chō, M.; Huruya, T.; Itoh, M. Spectra of completely \(p\)-hyponormal operators. (English) Zbl 0837.47017 Glas. Mat., III. Ser. 30, No. 1, 61-67 (1995). MSC: 47B20 PDFBibTeX XMLCite \textit{M. Chō} et al., Glas. Mat., III. Ser. 30, No. 1, 61--67 (1995; Zbl 0837.47017)
Chō, M.; Itoh, M. On spectra of \(p\)-hyponormal operators. (English) Zbl 0832.47016 Integral Equations Oper. Theory 23, No. 3, 287-293 (1995). MSC: 47B20 47A30 47A10 PDFBibTeX XMLCite \textit{M. Chō} and \textit{M. Itoh}, Integral Equations Oper. Theory 23, No. 3, 287--293 (1995; Zbl 0832.47016) Full Text: DOI
Chō, Muneo; Itoh, Masuo Putnam’s inequality for \(p\)-hyponormal operators. (English) Zbl 0823.47024 Proc. Am. Math. Soc. 123, No. 8, 2435-2440 (1995). MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. Chō} and \textit{M. Itoh}, Proc. Am. Math. Soc. 123, No. 8, 2435--2440 (1995; Zbl 0823.47024) Full Text: DOI
Chō, Muneo; Jin, Hirohiko On \(p\)-hyponormal operators. (English) Zbl 0997.47507 Nihonkai Math. J. 6, No. 2, 201-206 (1995). MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. Chō} and \textit{H. Jin}, Nihonkai Math. J. 6, No. 2, 201--206 (1995; Zbl 0997.47507)
Chō, Muneo \(p\)-hyponormal operators. (Japanese) Zbl 0900.47019 Fujii, Masatoshi (ed.), Operator inequalities and related topics. Proceedings of a symposium held at the Research Institute for Mathematical Sciences, Kyoto University, Kyoto, Japan, November 28–30, 1994. Kyoto: Kyoto Univ., Research Institute for Mathematical Sciences, RIMS Kôkyûroku. 903, 6-10 (1995). MSC: 47B20 PDFBibTeX XMLCite \textit{M. Chō}, in: Operator inequalities and related topics. Proceedings of a symposium held at the Research Institute for Mathematical Sciences, Kyoto University, Kyoto, Japan, November 28--30, 1994. Kyoto: Kyoto Univ., Research Institute for Mathematical Sciences. 6--10 (1995; Zbl 0900.47019)
Chō, Muneo; Itoh, Masuo On the angular cutting for \(p\)-hyponormal operators. (English) Zbl 0821.47017 Acta Sci. Math. 59, No. 3-4, 411-420 (1994). MSC: 47B20 PDFBibTeX XMLCite \textit{M. Chō} and \textit{M. Itoh}, Acta Sci. Math. 59, No. 3--4, 411--420 (1994; Zbl 0821.47017)
Chō, Muneo Spectral properties of \(p\)-hyponormal operators. (English) Zbl 0815.47023 Glasg. Math. J. 36, No. 1, 117-122 (1994). Reviewer: M.Kutkut (Amman) MSC: 47B20 PDFBibTeX XMLCite \textit{M. Chō}, Glasg. Math. J. 36, No. 1, 117--122 (1994; Zbl 0815.47023) Full Text: DOI
Chō, Muneo; Huruya, Tadasi \(p\)-hyponormal operators for \(0<p<{1\over 2}\). (English) Zbl 0803.47027 Ann. Soc. Math. Pol., Ser. I, Commentat. Math. 33, 23-29 (1993). MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. Chō} and \textit{T. Huruya}, Ann. Soc. Math. Pol., Ser. I, Commentat. Math. 33, 23--29 (1993; Zbl 0803.47027)
Chō, Muneo Weyl’s theorem for hyponormal operators on Banach spaces. (English) Zbl 0754.47017 J. Math. Anal. Appl. 154, No. 2, 594-598 (1991). Reviewer: G.Garske (Hagen) MSC: 47B20 47A10 47A55 PDFBibTeX XMLCite \textit{M. Chō}, J. Math. Anal. Appl. 154, No. 2, 594--598 (1991; Zbl 0754.47017) Full Text: DOI
Chō, Muneo Hyponormal operators on uniformly convex spaces. (English) Zbl 0754.47016 Acta Sci. Math. 55, No. 1-2, 141-147 (1991). Reviewer: G.Garske (Hagen) MSC: 47B20 47A10 47A12 PDFBibTeX XMLCite \textit{M. Chō}, Acta Sci. Math. 55, No. 1--2, 141--147 (1991; Zbl 0754.47016)
Chō, Muneo Hyponormal operators on uniformly smooth spaces. (English) Zbl 0737.47023 J. Aust. Math. Soc., Ser. A 50, No. 1, 150-159 (1991). Reviewer: T.Nakazi (Sapporo) MSC: 47B20 47A12 47A13 PDFBibTeX XMLCite \textit{M. Chō}, J. Aust. Math. Soc., Ser. A 50, No. 1, 150--159 (1991; Zbl 0737.47023)
Chō, Muneo Semi-normal operators on uniformly smooth Banach spaces. (English) Zbl 0747.47016 Glasg. Math. J. 32, No. 3, 273-276 (1990). Reviewer: T.A.Gillespie (Edinburgh) MSC: 47B20 47A12 PDFBibTeX XMLCite \textit{M. Chō}, Glasg. Math. J. 32, No. 3, 273--276 (1990; Zbl 0747.47016) Full Text: DOI
Chō, Muneo Joint spectra of strongly hyponormal operators on Banach spaces. (English) Zbl 0713.47023 J. Math. Soc. Japan 42, No. 2, 185-192 (1990). Reviewer: G.Garske MSC: 47B20 47A12 47A10 PDFBibTeX XMLCite \textit{M. Chō}, J. Math. Soc. Japan 42, No. 2, 185--192 (1990; Zbl 0713.47023) Full Text: DOI
Chō, Muneo Joint spectra of commuting pairs and uniform convexity. (English) Zbl 0693.47023 Rev. Roum. Math. Pures Appl. 34, No. 7, 607-614 (1989). Reviewer: M.Radjabalipour MSC: 47B20 47A10 47A12 47B15 PDFBibTeX XMLCite \textit{M. Chō}, Rev. Roum. Math. Pures Appl. 34, No. 7, 607--614 (1989; Zbl 0693.47023)
Chō, Muneo On a question of N. Salinas. (English) Zbl 0599.47030 Proc. Am. Math. Soc. 98, 94-96 (1986). MSC: 47B20 47A12 47A10 PDFBibTeX XMLCite \textit{M. Chō}, Proc. Am. Math. Soc. 98, 94--96 (1986; Zbl 0599.47030) Full Text: DOI
Chō, Muneo; Dash, A. T. On the joint spectra of doubly commuting n-tuples of semi-normal operators. (English) Zbl 0557.47019 Glasg. Math. J. 26, 47-50 (1985). Reviewer: G.Garske MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. Chō} and \textit{A. T. Dash}, Glasg. Math. J. 26, 47--50 (1985; Zbl 0557.47019) Full Text: DOI
Chō, Muneo; Takaguchi, Makoto Some classes of commuting n-tuples of operators. (English) Zbl 0593.47023 Stud. Math. 80, 245-259 (1984). Reviewer: J.Zafarani MSC: 47B20 47A10 47B47 PDFBibTeX XMLCite \textit{M. Chō} and \textit{M. Takaguchi}, Stud. Math. 80, 245--259 (1984; Zbl 0593.47023) Full Text: DOI EuDML