Kim, In Hyoun; Duggal, B. P.; Jeon, In Ho On quasi-class \(\mathcal{A}\) operators. (English) Zbl 1516.47039 Korean J. Math. 19, No. 2, 205-209 (2011). MSC: 47B20 PDFBibTeX XMLCite \textit{I. H. Kim} et al., Korean J. Math. 19, No. 2, 205--209 (2011; Zbl 1516.47039) Full Text: DOI
Lee, Jae Won; Jeon, In Ho A study on operators satisfying \(|T^2| \geq |T^\ast|^2\). (English) Zbl 1516.47041 Korean J. Math. 19, No. 1, 61-64 (2011). MSC: 47B20 47A15 PDFBibTeX XMLCite \textit{J. W. Lee} and \textit{I. H. Jeon}, Korean J. Math. 19, No. 1, 61--64 (2011; Zbl 1516.47041) Full Text: DOI
Senthilkumar, D.; Maheswari Naik, P.; Santhi, R. Weighted composition of \(N\)-class \(A(k)\) operators. (English) Zbl 1356.47033 Int. J. Appl. Math. 24, No. 6, 935-942 (2011). MSC: 47B33 47B20 PDFBibTeX XMLCite \textit{D. Senthilkumar} et al., Int. J. Appl. Math. 24, No. 6, 935--942 (2011; Zbl 1356.47033)
Lombarkia, Farida Generalized Weyl’s theorem for an elementary operator. (English) Zbl 1314.47011 Bull. Math. Anal. Appl. 3, No. 4, 123-131 (2011). MSC: 47A10 47B20 47B47 PDFBibTeX XMLCite \textit{F. Lombarkia}, Bull. Math. Anal. Appl. 3, No. 4, 123--131 (2011; Zbl 1314.47011) Full Text: Link
Sid Ahmed, Ould Ahmed Mahmoud On the class of \(n\)-power quasi-normal operators on Hilbert space. (English) Zbl 1314.47034 Bull. Math. Anal. Appl. 3, No. 2, 213-228 (2011). MSC: 47B20 47B99 PDFBibTeX XMLCite \textit{O. A. M. Sid Ahmed}, Bull. Math. Anal. Appl. 3, No. 2, 213--228 (2011; Zbl 1314.47034) Full Text: Link
Zuo, Fei; Shen, Jun Li Spectral properties of \(k\)-quasi-\(\ast\)-\(A\) operators and their applications. (Chinese. English summary) Zbl 1513.47043 Math. Pract. Theory 41, No. 15, 204-207 (2011). MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{F. Zuo} and \textit{J. L. Shen}, Math. Pract. Theory 41, No. 15, 204--207 (2011; Zbl 1513.47043)
Miyajima, Shizuo; Saito, Isao Rotation-invariance of the spectra of weighted composition operators. (English) Zbl 1291.47017 Kato, Mikio (ed.) et al., Proceedings of the 3rd international symposium on Banach and function spaces (ISBFS 2009), Kitakyushu, Japan, September 14–17, 2009. Yokohama: Yokohama Publishers (ISBN 978-4-946552-43-4/hbk). 281-294 (2011). MSC: 47B20 47A10 47B33 PDFBibTeX XMLCite \textit{S. Miyajima} and \textit{I. Saito}, in: Proceedings of the 3rd international symposium on Banach and function spaces (ISBFS 2009), Kitakyushu, Japan, September 14--17, 2009. Yokohama: Yokohama Publishers. 281--294 (2011; Zbl 1291.47017)
Uchiyama, Atsushi; Tanahashi, Kotaro The single valued extension property for hereditarily normaloid operators. (English) Zbl 1285.47028 Sci. Math. Jpn. 74, No. 2-3, 185-189 (2011). Reviewer: Abdellatif Bourhim (Syracuse) MSC: 47B20 47A10 47A11 PDFBibTeX XMLCite \textit{A. Uchiyama} and \textit{K. Tanahashi}, Sci. Math. Jpn. 74, No. 2--3, 185--189 (2011; Zbl 1285.47028) Full Text: Link
Hazarika, Munmun; Phukon, Ambeswar On hyponormality of trigonometric Toeplitz operators. (English) Zbl 1285.47033 Int. J. Funct. Anal. Oper. Theory Appl. 3, No. 2, 163-189 (2011). Reviewer: Sameer Chavan (Kanpur) MSC: 47B35 47B20 PDFBibTeX XMLCite \textit{M. Hazarika} and \textit{A. Phukon}, Int. J. Funct. Anal. Oper. Theory Appl. 3, No. 2, 163--189 (2011; Zbl 1285.47033) Full Text: Link
Han, Young Min; Son, Ju Hee On quasi-\(M\)-hyponormal operators. (English) Zbl 1258.47035 Filomat 25, No. 1, 37-52 (2011). MSC: 47B20 47A11 47A53 PDFBibTeX XMLCite \textit{Y. M. Han} and \textit{J. H. Son}, Filomat 25, No. 1, 37--52 (2011; Zbl 1258.47035) Full Text: DOI
Rhaly, H. Crawford jun. Posinormal factorable matrices whose interrupter is diagonal. (English) Zbl 1258.47036 Mathematica 53(76), No. 2, 181-188 (2011). MSC: 47B20 47B15 PDFBibTeX XMLCite \textit{H. C. Rhaly jun.}, Mathematica 53(76), No. 2, 181--188 (2011; Zbl 1258.47036)
Lu, Qiaofei; Yu, Tao Hyponormality of Toeplitz operators on the Dirichlet space. (English) Zbl 1260.47027 J. Math. Res. Expo. 31, No. 6, 1057-1063 (2011). MSC: 47B35 47B20 PDFBibTeX XMLCite \textit{Q. Lu} and \textit{T. Yu}, J. Math. Res. Expo. 31, No. 6, 1057--1063 (2011; Zbl 1260.47027) Full Text: DOI
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 PDFBibTeX XMLCite \textit{R. E. Curto} and \textit{J. Yoon}, Indiana Univ. Math. J. 60, No. 3, 997--1032 (2011; Zbl 1252.47020) Full Text: DOI arXiv Link
Singh, M. R.; Singh, M. P. Algebraic properties of slant Hankel operators. (English) Zbl 1250.47035 Int. Math. Forum 6, No. 57-60, 2849-2856 (2011). MSC: 47B35 47B20 PDFBibTeX XMLCite \textit{M. R. Singh} and \textit{M. P. Singh}, Int. Math. Forum 6, No. 57--60, 2849--2856 (2011; Zbl 1250.47035) Full Text: Link
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
Gubreev, G. M.; Volkova, M. G.; Tarasenko, A. A. On one class of nonselfadjoint operators with a discrete spectrum. (English) Zbl 1243.47047 Methods Funct. Anal. Topol. 17, No. 3, 211-218 (2011). Reviewer: Anatoly N. Kochubei (Kyïv) MSC: 47B32 30H20 47B20 PDFBibTeX XMLCite \textit{G. M. Gubreev} et al., Methods Funct. Anal. Topol. 17, No. 3, 211--218 (2011; Zbl 1243.47047)
Das, Namita; Sahoo, Madhusmita Positive operators on the Bergman space and Berezin transform. (English) Zbl 1243.47046 Methods Funct. Anal. Topol. 17, No. 3, 204-210 (2011). Reviewer: Anatoly N. Kochubei (Kyïv) MSC: 47B32 30H20 47B20 PDFBibTeX XMLCite \textit{N. Das} and \textit{M. Sahoo}, Methods Funct. Anal. Topol. 17, No. 3, 204--210 (2011; Zbl 1243.47046)
Imagiri, S. K.; Khalagai, J. M.; Pokhariyal, G. P. \(n\)th-Aluthge transform of \(w\)-hyponormal operators. (English) Zbl 1351.47016 Far East J. Appl. Math. 56, No. 1, 65-74 (2011). MSC: 47B20 PDFBibTeX XMLCite \textit{S. K. Imagiri} et al., Far East J. Appl. Math. 56, No. 1, 65--74 (2011; Zbl 1351.47016) Full Text: Link
Shen, Junli; Zuo, Fei; Yang, Changsen On operators satisfying \(T^*|T^{1+n}|^\frac2{1+n} T\geq T^*|T^*|^2T\). (Chinese. English summary) Zbl 1243.47041 Acta Math. Sci., Ser. A, Chin. Ed. 31, No. 5, 1311-1316 (2011). MSC: 47B20 47A63 47A10 PDFBibTeX XMLCite \textit{J. Shen} et al., Acta Math. Sci., Ser. A, Chin. Ed. 31, No. 5, 1311--1316 (2011; Zbl 1243.47041)
Zuo, Fei; Shen, Junli Weyl’s theorem for algebraically \(k\)-quasi-class \(A\) operators. (Chinese. English summary) Zbl 1243.47016 Chin. Ann. Math., Ser. A 32, No. 4, 459-466 (2011). MSC: 47A10 47B20 PDFBibTeX XMLCite \textit{F. Zuo} and \textit{J. Shen}, Chin. Ann. Math., Ser. A 32, No. 4, 459--466 (2011; Zbl 1243.47016)
Shi, Yanyue; Lu, Yufeng Completely non-normal Toeplitz operators. (English) Zbl 1243.47061 J. Math. Res. Expo. 31, No. 4, 727-734 (2011). MSC: 47B35 47B20 PDFBibTeX XMLCite \textit{Y. Shi} and \textit{Y. Lu}, J. Math. Res. Expo. 31, No. 4, 727--734 (2011; Zbl 1243.47061) Full Text: DOI
Yang, Changsen; Ding, Yanfeng Application of two operators transform from class A operator to the class of hyponormal operator. (English) Zbl 1235.47022 Acta Math. Sci., Ser. B, Engl. Ed. 31, No. 1, 93-101 (2011). MSC: 47B20 47B49 47A12 PDFBibTeX XMLCite \textit{C. Yang} and \textit{Y. Ding}, Acta Math. Sci., Ser. B, Engl. Ed. 31, No. 1, 93--101 (2011; Zbl 1235.47022) Full Text: DOI
Castrigiano, Domenico P. L.; Hofmaier, Frank Bounded point evaluations for orthogonal polynomials. (English) Zbl 1250.47022 Adv. Appl. Math. Sci. 10, No. 4, 373-392 (2011). Reviewer: Abdellatif Bourhim (Syracuse) MSC: 47B20 47B36 28A25 30E05 46E22 PDFBibTeX XMLCite \textit{D. P. L. Castrigiano} and \textit{F. Hofmaier}, Adv. Appl. Math. Sci. 10, No. 4, 373--392 (2011; Zbl 1250.47022)
Górnicki, Jarosław Structure of the fixed-point set of asymptotically regular mappings in uniformly convex Banach spaces. (English) Zbl 1278.47052 Taiwanese J. Math. 15, No. 3, 1007-1020 (2011). MSC: 47H09 47H10 47B20 54C15 PDFBibTeX XMLCite \textit{J. Górnicki}, Taiwanese J. Math. 15, No. 3, 1007--1020 (2011; Zbl 1278.47052) Full Text: DOI
Benhida, C.; Zerouali, E. H. Spectral properties of commuting operations for \(n\)-tuples. (English) Zbl 1233.47018 Proc. Am. Math. Soc. 139, No. 12, 4331-4342 (2011). Reviewer: Janko Bračič (Ljubljana) MSC: 47B20 PDFBibTeX XMLCite \textit{C. Benhida} and \textit{E. H. Zerouali}, Proc. Am. Math. Soc. 139, No. 12, 4331--4342 (2011; Zbl 1233.47018) Full Text: DOI
Senthilkumar, D.; Maheswari Naik, P. Algebraically absolute-\((p,r)\)-paranormal operators. (English) Zbl 1254.47023 Int. J. Appl. Math. 24, No. 3, 349-359 (2011). Reviewer: Takeaki Yamazaki (Kawagoe) MSC: 47B20 47A11 47A10 PDFBibTeX XMLCite \textit{D. Senthilkumar} and \textit{P. Maheswari Naik}, Int. J. Appl. Math. 24, No. 3, 349--359 (2011; Zbl 1254.47023)
Lauric, Vasile The density of the range of \(X \mapsto AX-XB\) with \(A,B^{*}\) \(M\)-hyponormals. (English) Zbl 1227.47010 Oper. Matrices 5, No. 3, 505-510 (2011). MSC: 47B20 PDFBibTeX XMLCite \textit{V. Lauric}, Oper. Matrices 5, No. 3, 505--510 (2011; Zbl 1227.47010) Full Text: DOI Link
Braha, N. L.; Tanahashi, K. SVEP and Bishop’s property for \(k*\)-paranormal operators. (English) Zbl 1237.47022 Oper. Matrices 5, No. 3, 469-472 (2011); corrigendum ibid. 7, No. 3, 737-738 (2013). Reviewer: Takeaki Yamazaki (Kawagoe) MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{N. L. Braha} and \textit{K. Tanahashi}, Oper. Matrices 5, No. 3, 469--472 (2011; Zbl 1237.47022) Full Text: DOI Link
Kubrusly, C. S.; Duggal, B. P. Quasi-similar \(k\)-paranormal operators. (English) Zbl 1257.47024 Oper. Matrices 5, No. 3, 417-423 (2011). Reviewer: Mohammed Hichem Mortad (Oran) MSC: 47B20 47A45 PDFBibTeX XMLCite \textit{C. S. Kubrusly} and \textit{B. P. Duggal}, Oper. Matrices 5, No. 3, 417--423 (2011; Zbl 1257.47024) Full Text: DOI Link
Jung, Sungeun; Kim, Yoenha; Ko, Eungil On \(2\times 2\) operator matrices. (English) Zbl 1257.47008 Oper. Matrices 5, No. 3, 365-388 (2011). Reviewer: Mohammed Hichem Mortad (Oran) MSC: 47A11 47A15 47B20 PDFBibTeX XMLCite \textit{S. Jung} et al., Oper. Matrices 5, No. 3, 365--388 (2011; Zbl 1257.47008) Full Text: DOI Link
Rashid, M. H. M. Property \((\omega)\) and quasi-class \((A,k)\) operators. (English) Zbl 1251.47015 Rev. Unión Mat. Argent. 52, No. 1, 133-142 (2011). Reviewer: Mohamed Zohry (Tétouan) MSC: 47A55 47A53 47B20 47A10 47A11 PDFBibTeX XMLCite \textit{M. H. M. Rashid}, Rev. Unión Mat. Argent. 52, No. 1, 133--142 (2011; Zbl 1251.47015) Full Text: Link
Li, Xiaochun; Gao, Fugen; Fang, Xiaochun Spectrum of quasi-class \((A,k)\) operators. (English) Zbl 1270.47004 ISRN Math. Anal. 2011, Article ID 415980, 10 p. (2011). MSC: 47A10 47B20 PDFBibTeX XMLCite \textit{X. Li} et al., ISRN Math. Anal. 2011, Article ID 415980, 10 p. (2011; Zbl 1270.47004) Full Text: DOI
Baek, Seunghwan; Jung, Il Bong; Moon, Gyung Young An algorithm for quartically hyponormal weighted shifts. (English) Zbl 1257.47023 Kyungpook Math. J. 51, No. 2, 187-194 (2011). Reviewer: Mohammed Hichem Mortad (Oran) MSC: 47B20 47B37 PDFBibTeX XMLCite \textit{S. Baek} et al., Kyungpook Math. J. 51, No. 2, 187--194 (2011; Zbl 1257.47023) Full Text: DOI
Jung, Sungeun; Ko, Eungil; Lee, Ji Eun On scalar extensions and spectral decompositions of complex symmetric operators. (English) Zbl 1232.47021 J. Math. Anal. Appl. 384, No. 2, 252-260 (2011). Reviewer: Mihai Putinar (Santa Barbara) MSC: 47B20 47B40 47A11 PDFBibTeX XMLCite \textit{S. Jung} et al., J. Math. Anal. Appl. 384, No. 2, 252--260 (2011; Zbl 1232.47021) Full Text: DOI
Senthil Kumar, D.; Sherin Joy, S. M.; Prasad, T. On generalised class \({\mathcal Q}^*\) operators. (English) Zbl 1239.47020 Int. J. Appl. Math. 24, No. 1, 81-87 (2011). Reviewer: Lin Ying Fen (Belfast) MSC: 47B20 47A10 47B37 PDFBibTeX XMLCite \textit{D. Senthil Kumar} et al., Int. J. Appl. Math. 24, No. 1, 81--87 (2011; Zbl 1239.47020)
Didas, Michael; Eschmeier, Jörg Inner functions and spherical isometries. (English) Zbl 1221.47013 Proc. Am. Math. Soc. 139, No. 8, 2877-2889 (2011). MSC: 47A13 47B20 47L45 47B35 47L80 PDFBibTeX XMLCite \textit{M. Didas} and \textit{J. Eschmeier}, Proc. Am. Math. Soc. 139, No. 8, 2877--2889 (2011; Zbl 1221.47013) Full Text: DOI
Gao, Fugen; Fang, Xiaochun The Fuglede-Putnam theorem and Putnam’s inequality for quasi-class (A, k) operators. (English) Zbl 1219.47036 Ann. Funct. Anal. 2, No. 1, 105-113 (2011). MSC: 47B20 47A63 PDFBibTeX XMLCite \textit{F. Gao} and \textit{X. Fang}, Ann. Funct. Anal. 2, No. 1, 105--113 (2011; Zbl 1219.47036) Full Text: DOI EuDML EMIS
Cheng, Junxiang; Yuan, Jiangtao Aluthge transforms of \((C_{p};\alpha )\)-hyponormal operators. (English) Zbl 1230.47042 Ann. Funct. Anal. 2, No. 1, 100-104 (2011). Reviewer: Takeaki Yamazaki (Kawagoe) MSC: 47B20 47A63 PDFBibTeX XMLCite \textit{J. Cheng} and \textit{J. Yuan}, Ann. Funct. Anal. 2, No. 1, 100--104 (2011; Zbl 1230.47042) Full Text: DOI EuDML EMIS
Carlsson, M. On the Beurling-Lax theorem for domains with one hole. (English) Zbl 1231.47019 New York J. Math. 17a, 193-212 (2011). Reviewer: Abdellatif Bourhim (Syracuse) MSC: 47B20 46E40 PDFBibTeX XMLCite \textit{M. Carlsson}, New York J. Math. 17a, 193--212 (2011; Zbl 1231.47019) Full Text: EuDML EMIS
Carlsson, M. On subnormal operators whose spectrum are multiply connected domains. (English) Zbl 1230.47041 New York J. Math. 17a, 177-191 (2011). Reviewer: Janko Bračič (Ljubljana) MSC: 47B20 46E40 PDFBibTeX XMLCite \textit{M. Carlsson}, New York J. Math. 17a, 177--191 (2011; Zbl 1230.47041) Full Text: EuDML EMIS
Rashid, Mohammad H. M.; Zguitti, Hassane Weyl type theorems and class \(A(s,t)\) operators. (English) Zbl 1244.47017 Math. Inequal. Appl. 14, No. 3, 581-594 (2011). Reviewer: Mohammed Hichem Mortad (Oran) MSC: 47A55 47A53 47B20 47A10 47A11 PDFBibTeX XMLCite \textit{M. H. M. Rashid} and \textit{H. Zguitti}, Math. Inequal. Appl. 14, No. 3, 581--594 (2011; Zbl 1244.47017) Full Text: DOI
Lauric, Vasile Almost \(\alpha\)-hyponormal operators with Weyl spectrum of area zero. (English) Zbl 1221.47037 Int. J. Math. Math. Sci. 2011, Article ID 801313, 5 p. (2011). MSC: 47B20 PDFBibTeX XMLCite \textit{V. Lauric}, Int. J. Math. Math. Sci. 2011, Article ID 801313, 5 p. (2011; Zbl 1221.47037) Full Text: DOI
Hwang, In Sung; Kang, Dong-O; Lee, Woo Young A gap between hyponormality and subnormality for block Toeplitz operators. (English) Zbl 1221.47052 J. Math. Anal. Appl. 382, No. 2, 883-891 (2011). MSC: 47B35 47B20 PDFBibTeX XMLCite \textit{I. S. Hwang} et al., J. Math. Anal. Appl. 382, No. 2, 883--891 (2011; Zbl 1221.47052) Full Text: DOI
Tomeo, V.; Torrano, E. Two applications of the subnormality of the Hessenberg matrix related to general orthogonal polynomials. (English) Zbl 1219.42015 Linear Algebra Appl. 435, No. 9, 2314-2320 (2011). Reviewer: Mohammad Sal Moslehian (Mashhad) MSC: 42C05 47B20 15A09 PDFBibTeX XMLCite \textit{V. Tomeo} and \textit{E. Torrano}, Linear Algebra Appl. 435, No. 9, 2314--2320 (2011; Zbl 1219.42015) Full Text: DOI
Kim, An-Hyun A note on hyponormal Toeplitz operators. (English) Zbl 1220.47037 Bull. Korean Math. Soc. 48, No. 3, 647-653 (2011). Reviewer: Janko Bračič (Ljubljana) MSC: 47B35 47B20 46E20 PDFBibTeX XMLCite \textit{A.-H. Kim}, Bull. Korean Math. Soc. 48, No. 3, 647--653 (2011; Zbl 1220.47037) Full Text: DOI Link
Hazarika, Munmun; Phukon, Ambeswar On hyponormality of Toeplitz operators with polynomial and symmetric type symbols. (English) Zbl 1217.47060 Bull. Korean Math. Soc. 48, No. 3, 617-625 (2011). MSC: 47B35 47B20 PDFBibTeX XMLCite \textit{M. Hazarika} and \textit{A. Phukon}, Bull. Korean Math. Soc. 48, No. 3, 617--625 (2011; Zbl 1217.47060) Full Text: DOI Link
Petrovic, Srdjan Spectral radius algebras, Deddens algebras, and weighted shifts. (English) Zbl 1237.47021 Bull. Lond. Math. Soc. 43, No. 3, 513-522 (2011). Reviewer: Eungil Ko (Seoul) MSC: 47A65 47B15 47B20 47B37 PDFBibTeX XMLCite \textit{S. Petrovic}, Bull. Lond. Math. Soc. 43, No. 3, 513--522 (2011; Zbl 1237.47021) Full Text: DOI
Petrovic, Srdjan Deddens algebras and shift. (English) Zbl 1250.47017 Complex Anal. Oper. Theory 5, No. 1, 253-259 (2011). Reviewer: Karim Boulabiar (Tunis) MSC: 47A65 47B15 47B20 PDFBibTeX XMLCite \textit{S. Petrovic}, Complex Anal. Oper. Theory 5, No. 1, 253--259 (2011; Zbl 1250.47017) Full Text: DOI
Hwang, In Sung; Lee, Woo Young Erratum to: Joint hyponormality of rational Toeplitz pairs. (English) Zbl 1213.47023 Integral Equations Oper. Theory 69, No. 3, 445-446 (2011). MSC: 47B20 47B35 47A13 PDFBibTeX XMLCite \textit{I. S. Hwang} and \textit{W. Y. Lee}, Integral Equations Oper. Theory 69, No. 3, 445--446 (2011; Zbl 1213.47023) Full Text: DOI
Jung, Sungeun; Ko, Eungil; Lee, Mee-Jung Subscalarity of \((p,k)\)-quasihyponormal operators. (English) Zbl 1217.47041 J. Math. Anal. Appl. 380, No. 1, 76-86 (2011). MSC: 47B20 PDFBibTeX XMLCite \textit{S. Jung} et al., J. Math. Anal. Appl. 380, No. 1, 76--86 (2011; Zbl 1217.47041) Full Text: DOI
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
Yoon, Jasang When does the \(k\)-hyponormality of a 2-variable weighted shift become subnormality? (English) Zbl 1217.47044 J. Math. Anal. Appl. 379, No. 2, 487-498 (2011). MSC: 47B20 PDFBibTeX XMLCite \textit{J. Yoon}, J. Math. Anal. Appl. 379, No. 2, 487--498 (2011; Zbl 1217.47044) Full Text: DOI
Jabłoński, Zenon J.; Jung, Il Bong; Kwak, Jung Ah; Stochel, Jan Hyperexpansive completion problem via alternating sequences; an application to subnormality. (English) Zbl 1222.47028 Linear Algebra Appl. 434, No. 12, 2497-2526 (2011). Reviewer: Bebe Prunaru (Bucureşti) MSC: 47B20 47B37 44A60 47A20 PDFBibTeX XMLCite \textit{Z. J. Jabłoński} et al., Linear Algebra Appl. 434, No. 12, 2497--2526 (2011; Zbl 1222.47028) Full Text: DOI
Moslehian, M. S.; Nabavi Sales, S. M. S. Some conditions implying normality of operators. (English) Zbl 1217.47042 C. R., Math., Acad. Sci. Paris 349, No. 5-6, 251-254 (2011). MSC: 47B20 PDFBibTeX XMLCite \textit{M. S. Moslehian} and \textit{S. M. S. Nabavi Sales}, C. R., Math., Acad. Sci. Paris 349, No. 5--6, 251--254 (2011; Zbl 1217.47042) Full Text: DOI arXiv
Chavan, Sameer On operators Cauchy dual to 2-hyperexpansive operators: the unbounded case. (English) Zbl 1241.47019 Stud. Math. 203, No. 2, 129-162 (2011). Reviewer: Héctor N. Salas (Mayagüez) MSC: 47B20 47B32 47A70 47A16 47B33 PDFBibTeX XMLCite \textit{S. Chavan}, Stud. Math. 203, No. 2, 129--162 (2011; Zbl 1241.47019) Full Text: DOI Link
Ko, Eungil; Lee, Ji Eun On rank one perturbations of the unilateral shift. (English) Zbl 1208.47012 Commun. Korean Math. Soc. 26, No. 1, 79-88 (2011). MSC: 47A11 47A10 47A55 47B20 PDFBibTeX XMLCite \textit{E. Ko} and \textit{J. E. Lee}, Commun. Korean Math. Soc. 26, No. 1, 79--88 (2011; Zbl 1208.47012) Full Text: DOI
Majdak, Witold; Stochel, Jan A local lifting theorem for jointly subnormal families of unbounded operators. (English) Zbl 1225.47025 Integral Equations Oper. Theory 69, No. 2, 233-246 (2011). Reviewer: Fuad Kittaneh (Amman) MSC: 47B20 47A20 PDFBibTeX XMLCite \textit{W. Majdak} and \textit{J. Stochel}, Integral Equations Oper. Theory 69, No. 2, 233--246 (2011; Zbl 1225.47025) Full Text: DOI
Cichoń, Dariusz; Stochel, Jan; Szafraniec, Franciszek Hugon Extending positive definiteness. (English) Zbl 1213.43006 Trans. Am. Math. Soc. 363, No. 1, 545-577 (2011). Reviewer: José Bonet (Valencia) MSC: 43A35 44A60 47A20 47B20 PDFBibTeX XMLCite \textit{D. Cichoń} et al., Trans. Am. Math. Soc. 363, No. 1, 545--577 (2011; Zbl 1213.43006) Full Text: DOI arXiv
Athavale, Ameer; Patil, Pramod On the duals of Szegő and Cauchy tuples. (English) Zbl 1218.47034 Proc. Am. Math. Soc. 139, No. 2, 491-498 (2011). Reviewer: Janko Bračič (Ljubljana) MSC: 47B20 47A13 33C55 32A35 PDFBibTeX XMLCite \textit{A. Athavale} and \textit{P. Patil}, Proc. Am. Math. Soc. 139, No. 2, 491--498 (2011; Zbl 1218.47034) Full Text: DOI
Kim, Insook; Kim, Yoenha; Ko, Eungil; Lee, Ji Eun Inherited properties through the Helton class of an operator. (English) Zbl 1216.47073 Bull. Korean Math. Soc. 48, No. 1, 183-195 (2011). Reviewer: Vladimir S. Pilidi (Rostov-na-Donu) MSC: 47B99 47A10 47B20 PDFBibTeX XMLCite \textit{I. Kim} et al., Bull. Korean Math. Soc. 48, No. 1, 183--195 (2011; Zbl 1216.47073) Full Text: DOI Link
Exner, George R.; Jung, Il Bong; Lee, Eun Young; Lee, Mi Ryeong Gaps of operators via rank-one perturbations. (English) Zbl 1208.47022 J. Math. Anal. Appl. 376, No. 2, 576-587 (2011). MSC: 47B20 47A55 PDFBibTeX XMLCite \textit{G. R. Exner} et al., J. Math. Anal. Appl. 376, No. 2, 576--587 (2011; Zbl 1208.47022) Full Text: DOI
Daniluk, Andrzej On the closability of paranormal operators. (English) Zbl 1221.47036 J. Math. Anal. Appl. 376, No. 1, 342-348 (2011). Reviewer: Woo Young Lee (Seoul) MSC: 47B20 47A06 PDFBibTeX XMLCite \textit{A. Daniluk}, J. Math. Anal. Appl. 376, No. 1, 342--348 (2011; Zbl 1221.47036) Full Text: DOI
Górnicki, Jarosław Geometrical coefficients and the structure of the fixed-point set of asymptotically regular mappings in Banach spaces. (English) Zbl 1227.47033 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 74, No. 4, 1190-1199 (2011). Reviewer: Hui-Sheng Ding (Jiangxi) MSC: 47H09 47H10 47B20 54C15 PDFBibTeX XMLCite \textit{J. Górnicki}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 74, No. 4, 1190--1199 (2011; Zbl 1227.47033) Full Text: DOI
Stochel, Jan; Stochel, Jerzy Bartłomiej Seminormal composition operators on \(L^2\) spaces induced by matrices: the Laplace density case. (English) Zbl 1208.47026 J. Math. Anal. Appl. 375, No. 1, 1-7 (2011). Reviewer: Raymond Mortini (Metz) MSC: 47B33 47B20 PDFBibTeX XMLCite \textit{J. Stochel} and \textit{J. B. Stochel}, J. Math. Anal. Appl. 375, No. 1, 1--7 (2011; Zbl 1208.47026) Full Text: DOI
Senthilkumar, D.; Maheswari Naik, P. Weyl’s theorem for algebraically absolute-\((p, r)\)-paranormal operators. (English) Zbl 1221.47038 Banach J. Math. Anal. 5, No. 1, 29-37 (2011). Reviewer: Mohammed Hichem Mortad (Oran) MSC: 47B20 47A13 47A30 47B06 PDFBibTeX XMLCite \textit{D. Senthilkumar} and \textit{P. Maheswari Naik}, Banach J. Math. Anal. 5, No. 1, 29--37 (2011; Zbl 1221.47038) Full Text: DOI EuDML EMIS