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Gil’, Michael Similarity of operators on tensor products of spaces and matrix differential operators. (English) Zbl 07000111 J. Aust. Math. Soc. 106, No. 1, 19-30 (2019). MSC: 47A80 47E05 47A10 47A60 PDFBibTeX XMLCite \textit{M. Gil'}, J. Aust. Math. Soc. 106, No. 1, 19--30 (2019; Zbl 07000111) Full Text: DOI
Fleige, Andreas The critical point infinity associated with indefinite Sturm-Liouville problems. (English) Zbl 1367.47047 Alpay, Daniel (ed.), Operator theory. With 51 figures and 2 tables. In 2 volumes. Basel: Springer (ISBN 978-3-0348-0666-4/print; 978-3-0348-0667-1/ebook; 978-3-0348-0668-8/print+ebook; 978-3-0348-0692-3/online (updated continuously)). Springer Reference, 395-429 (2015). Reviewer: Carsten Trunk (Ilmenau) MSC: 47B50 34B24 47-02 PDFBibTeX XMLCite \textit{A. Fleige}, in: Operator theory. With 51 figures and 2 tables. In 2 volumes. Basel: Springer. 395--429 (2015; Zbl 1367.47047) Full Text: DOI
Gil’, Michael On condition numbers of spectral operators in a Hilbert space. (English) Zbl 1330.47042 Anal. Math. Phys. 5, No. 4, 363-372 (2015). MSC: 47B40 47E05 47A30 47A55 47A56 PDFBibTeX XMLCite \textit{M. Gil'}, Anal. Math. Phys. 5, No. 4, 363--372 (2015; Zbl 1330.47042) Full Text: DOI
Ćurgus, Branko; Derkach, Vladimir Partially fundamentally reducible operators in Kreĭn spaces. (English) Zbl 1334.47039 Integral Equations Oper. Theory 82, No. 4, 469-518 (2015). Reviewer: Andreas Fleige (Dortmund) MSC: 47B50 46C20 47B25 34B20 PDFBibTeX XMLCite \textit{B. Ćurgus} and \textit{V. Derkach}, Integral Equations Oper. Theory 82, No. 4, 469--518 (2015; Zbl 1334.47039) Full Text: DOI arXiv
Karabash, I. M. Abstract kinetic equations with positive collision operators. (English) Zbl 1189.47079 Behrndt, Jussi (ed.) et al., Spectral theory in inner product spaces and applications. Papers of the 6th workshop on operator theory in Krein spaces and operator polynomials, TU Berlin, Germany, December 14–17, 2006. Basel: Birkhäuser (ISBN 978-3-7643-8910-9/hbk). Operator Theory: Advances and Applications 188, 175-195 (2009). Reviewer: Marisela Domínguez (Caracas) MSC: 47N50 35K70 47B50 35M10 35K90 82C70 PDFBibTeX XMLCite \textit{I. M. Karabash}, Oper. Theory: Adv. Appl. 188, 175--195 (2009; Zbl 1189.47079) Full Text: DOI arXiv Link
Karabash, Illya M.; Kostenko, Aleksey S.; Malamud, Mark M. The similarity problem for \(J\)-nonnegative Sturm-Liouville operators. (English) Zbl 1165.34012 J. Differ. Equations 246, No. 3, 964-997 (2009). Reviewer: Andreas Fleige (Dortmund) MSC: 34B24 34B09 34B20 34L40 PDFBibTeX XMLCite \textit{I. M. Karabash} et al., J. Differ. Equations 246, No. 3, 964--997 (2009; Zbl 1165.34012) Full Text: DOI arXiv