Patie, Pierre; Savov, Mladen Spectral expansions of non-self-adjoint generalized Laguerre semigroups. (English) Zbl 1505.47042 Memoirs of the American Mathematical Society 1336. Providence, RI: American Mathematical Society (AMS) (ISBN 978-1-4704-4936-0/pbk; 978-1-4704-6752-4/ebook). v, 182 p. (2021). Reviewer: Franco Fagnola (Milano) MSC: 47D07 46B28 33C45 35P05 41A60 60E07 42C15 40E05 30D05 44A20 47-02 PDFBibTeX XMLCite \textit{P. Patie} and \textit{M. Savov}, Spectral expansions of non-self-adjoint generalized Laguerre semigroups. Providence, RI: American Mathematical Society (AMS) (2021; Zbl 1505.47042) Full Text: DOI arXiv
Charif, Mirna; Zielinski, Lech Perturbation series for Jacobi matrices and the quantum Rabi model. (English) Zbl 1469.81019 Opusc. Math. 41, No. 3, 301-333 (2021). MSC: 81Q10 81Q15 47B36 15A18 81V80 35B34 40A30 PDFBibTeX XMLCite \textit{M. Charif} and \textit{L. Zielinski}, Opusc. Math. 41, No. 3, 301--333 (2021; Zbl 1469.81019) Full Text: DOI
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Cicogna, G. A method from categories for introducing a general notion of convergence and limit. (English) Zbl 0441.18006 J. Math. Anal. Appl. 76, 476-482 (1980). MSC: 18A40 46A99 46E99 26A15 40A30 46M99 PDFBibTeX XMLCite \textit{G. Cicogna}, J. Math. Anal. Appl. 76, 476--482 (1980; Zbl 0441.18006) Full Text: DOI
Evans, D. J.; Okolie, S. O. A generalised sparse factorisation method for the solution of periodic tridiagonal systems. (English) Zbl 0415.65026 Comput. Math. Appl. 5, 211-216 (1979). MSC: 65F30 15A23 40A15 30B70 65N22 PDFBibTeX XMLCite \textit{D. J. Evans} and \textit{S. O. Okolie}, Comput. Math. Appl. 5, 211--216 (1979; Zbl 0415.65026) Full Text: DOI