Bercovici, H.; Jung, I. B.; Ko, E.; Pearcy, C. Generalizations of the relation of quasisimilarity for operators. (English) Zbl 1477.47018 Acta Sci. Math. 85, No. 3-4, 681-691 (2019). MSC: 47A65 47A15 PDFBibTeX XMLCite \textit{H. Bercovici} et al., Acta Sci. Math. 85, No. 3--4, 681--691 (2019; Zbl 1477.47018) Full Text: DOI
Horváth, Miklós; Sáfár, Orsolya Inequalities between fixed energy phase shifts. II. (English) Zbl 1463.78006 Acta Sci. Math. 85, No. 3-4, 693-708 (2019). Reviewer: Stepan Agop Tersian (Rousse) MSC: 78A46 PDFBibTeX XMLCite \textit{M. Horváth} and \textit{O. Sáfár}, Acta Sci. Math. 85, No. 3--4, 693--708 (2019; Zbl 1463.78006) Full Text: DOI
Ghatak, Anindya; Karn, Anil Kumar \(CM\)-ideals and \(L^1\)-matricial split faces. (English) Zbl 1449.46013 Acta Sci. Math. 85, No. 3-4, 659-679 (2019). Reviewer: Olav Nygaard (Kristiansand) MSC: 46B04 46L07 46A55 PDFBibTeX XMLCite \textit{A. Ghatak} and \textit{A. K. Karn}, Acta Sci. Math. 85, No. 3--4, 659--679 (2019; Zbl 1449.46013) Full Text: DOI
Mortad, Mohammed Hichem On the triviality of domains of powers and adjoints of closed operators. (English) Zbl 1449.47004 Acta Sci. Math. 85, No. 3-4, 651-658 (2019). Reviewer: José Bonet (Valencia) MSC: 47A05 47B25 PDFBibTeX XMLCite \textit{M. H. Mortad}, Acta Sci. Math. 85, No. 3--4, 651--658 (2019; Zbl 1449.47004) Full Text: DOI arXiv
Schiefermayr, Klaus Chebyshev polynomials on circular arcs. (English) Zbl 1449.30080 Acta Sci. Math. 85, No. 3-4, 629-649 (2019). Reviewer: Konstantin Malyutin (Kursk) MSC: 30E10 30C10 33E05 41A50 PDFBibTeX XMLCite \textit{K. Schiefermayr}, Acta Sci. Math. 85, No. 3--4, 629--649 (2019; Zbl 1449.30080) Full Text: DOI
Mojahedi, Mojtaba; Sady, Fereshteh Isometries on certain non-complete vector-valued function spaces. (English) Zbl 1449.47071 Acta Sci. Math. 85, No. 3-4, 613-627 (2019). Reviewer: Vladimir Kadets (Kharkiv) MSC: 47B38 47B33 46E40 46B04 PDFBibTeX XMLCite \textit{M. Mojahedi} and \textit{F. Sady}, Acta Sci. Math. 85, No. 3--4, 613--627 (2019; Zbl 1449.47071) Full Text: DOI arXiv
Sohn, Byung Keun Distributional boundary values of generalized Hardy functions in Beurling’s tempered distributions. (English) Zbl 1449.32007 Acta Sci. Math. 85, No. 3-4, 595-611 (2019). Reviewer: Koichi Saka (Akita) MSC: 32A40 42B30 46F20 PDFBibTeX XMLCite \textit{B. K. Sohn}, Acta Sci. Math. 85, No. 3--4, 595--611 (2019; Zbl 1449.32007) Full Text: DOI
Chavan, Sameer Essential spherical isometries. (English) Zbl 1463.47025 Acta Sci. Math. 85, No. 3-4, 589-594 (2019). Reviewer: Andrzej Sołtysiak (Poznań) MSC: 47A13 47B20 PDFBibTeX XMLCite \textit{S. Chavan}, Acta Sci. Math. 85, No. 3--4, 589--594 (2019; Zbl 1463.47025) Full Text: DOI arXiv
Gamal, Maria F. Invertibility of functions of operators and existence of hyperinvariant subspaces. (English) Zbl 1449.47021 Acta Sci. Math. 85, No. 3-4, 573-588 (2019). Reviewer: Timothy Feeman (Villanova) MSC: 47A15 47A60 47A10 47B02 PDFBibTeX XMLCite \textit{M. F. Gamal}, Acta Sci. Math. 85, No. 3--4, 573--588 (2019; Zbl 1449.47021) Full Text: DOI arXiv
Matache, Valentin Composition operators similar to contractions. (English) Zbl 1463.47085 Acta Sci. Math. 85, No. 3-4, 561-571 (2019). Reviewer: Andrzej Sołtysiak (Poznań) MSC: 47B33 47A45 30H10 PDFBibTeX XMLCite \textit{V. Matache}, Acta Sci. Math. 85, No. 3--4, 561--571 (2019; Zbl 1463.47085) Full Text: DOI
Pons, Matthew A. Spectra of composition operators on weighted Bergman spaces. (English) Zbl 1449.47055 Acta Sci. Math. 85, No. 3-4, 539-560 (2019). MSC: 47B33 30H20 30H30 PDFBibTeX XMLCite \textit{M. A. Pons}, Acta Sci. Math. 85, No. 3--4, 539--560 (2019; Zbl 1449.47055) Full Text: DOI
Enomoto, Masatoshi; Watatani, Yasuo Relative position of three subspaces in a Hilbert space. (English) Zbl 1449.46023 Acta Sci. Math. 85, No. 3-4, 519-537 (2019). MSC: 46C07 47A15 15A21 16G20 16G60 PDFBibTeX XMLCite \textit{M. Enomoto} and \textit{Y. Watatani}, Acta Sci. Math. 85, No. 3--4, 519--537 (2019; Zbl 1449.46023) Full Text: DOI arXiv
Bhat, B. V. Rajarama; John, Tiju Cherian Real normal operators and Williamson’s normal form. (English) Zbl 1463.47067 Acta Sci. Math. 85, No. 3-4, 507-518 (2019). Reviewer: Takeaki Yamazaki (Kawagoe) MSC: 47B15 PDFBibTeX XMLCite \textit{B. V. R. Bhat} and \textit{T. C. John}, Acta Sci. Math. 85, No. 3--4, 507--518 (2019; Zbl 1463.47067) Full Text: DOI arXiv
Rao, T. S. S. R. K. Geometry of spaces of compact operators. (English) Zbl 1463.46028 Acta Sci. Math. 85, No. 3-4, 495-505 (2019). Reviewer: Ömer Gök (Istanbul) MSC: 46B20 46B28 PDFBibTeX XMLCite \textit{T. S. S. R. K. Rao}, Acta Sci. Math. 85, No. 3--4, 495--505 (2019; Zbl 1463.46028) Full Text: DOI
Gupta, Anuradha; Singh, Shivam Kumar Toeplitz type operators on the derivative Hardy space \(S^2(\mathbb{D})\). (English) Zbl 1449.47060 Acta Sci. Math. 85, No. 3-4, 473-493 (2019). MSC: 47B35 47B32 PDFBibTeX XMLCite \textit{A. Gupta} and \textit{S. K. Singh}, Acta Sci. Math. 85, No. 3--4, 473--493 (2019; Zbl 1449.47060) Full Text: DOI
Nedic, Mitja A subclass of boundary measures and the convex combination problem for Herglotz-Nevanlinna functions in several variables. (English) Zbl 1449.32005 Acta Sci. Math. 85, No. 3-4, 441-472 (2019). MSC: 32A26 32A10 32A99 PDFBibTeX XMLCite \textit{M. Nedic}, Acta Sci. Math. 85, No. 3--4, 441--472 (2019; Zbl 1449.32005) Full Text: DOI arXiv
Hosseini, Amin; Karizaki, Mehdi Mohammadzadeh Functional equations characterizing \(\sigma\)-derivations. (English) Zbl 1449.16083 Acta Sci. Math. 85, No. 3-4, 431-440 (2019). MSC: 16W25 16N60 PDFBibTeX XMLCite \textit{A. Hosseini} and \textit{M. M. Karizaki}, Acta Sci. Math. 85, No. 3--4, 431--440 (2019; Zbl 1449.16083) Full Text: DOI
Gaál, István; Remete, László Power integral bases in cubic and quartic extensions of real quadratic fields. (English) Zbl 1449.11104 Acta Sci. Math. 85, No. 3-4, 413-429 (2019). MSC: 11R04 11D59 11Y50 PDFBibTeX XMLCite \textit{I. Gaál} and \textit{L. Remete}, Acta Sci. Math. 85, No. 3--4, 413--429 (2019; Zbl 1449.11104) Full Text: DOI arXiv
Dékány, Tamás; Szendrei, Mária B.; Szittyai, István \(E\)-solid locally inverse semigroups. (English) Zbl 1449.20041 Acta Sci. Math. 85, No. 3-4, 381-411 (2019). Reviewer: Peter R. Jones (Milwaukee) MSC: 20M10 20M17 20M18 PDFBibTeX XMLCite \textit{T. Dékány} et al., Acta Sci. Math. 85, No. 3--4, 381--411 (2019; Zbl 1449.20041) Full Text: DOI arXiv
Czédli, Gábor; Mureşan, Claudia On principal congruences and the number of congruences of a lattice with more ideals than filters. (English) Zbl 1449.06005 Acta Sci. Math. 85, No. 3-4, 363-380 (2019). Reviewer: Hans Peter Künzi (Rondebosch) MSC: 06B10 PDFBibTeX XMLCite \textit{G. Czédli} and \textit{C. Mureşan}, Acta Sci. Math. 85, No. 3--4, 363--380 (2019; Zbl 1449.06005) Full Text: DOI arXiv