Lotoreichik, Vladimir; Siegl, Petr Spectra of definite type in waveguide models. (English) Zbl 1369.81035 Proc. Am. Math. Soc. 145, No. 3, 1231-1246 (2017). MSC: 81Q37 47A55 47B50 47A80 81Q12 PDFBibTeX XMLCite \textit{V. Lotoreichik} and \textit{P. Siegl}, Proc. Am. Math. Soc. 145, No. 3, 1231--1246 (2017; Zbl 1369.81035) Full Text: DOI arXiv
Djordjevic, Slavisa V.; Han, Young Min A note on Weyl’s theorem for operator matrices. (English) Zbl 1041.47006 Proc. Am. Math. Soc. 131, No. 8, 2543-2547 (2003). Reviewer: L. Rodman (Williamsburg) MSC: 47A55 47A10 PDFBibTeX XMLCite \textit{S. V. Djordjevic} and \textit{Y. M. Han}, Proc. Am. Math. Soc. 131, No. 8, 2543--2547 (2003; Zbl 1041.47006) Full Text: DOI
Schmoeger, Christoph On a generalized punctured neighborhood theorem in \({\mathcal L} (X)\). (English) Zbl 0836.47002 Proc. Am. Math. Soc. 123, No. 4, 1237-1240 (1995). MSC: 47A10 47A53 47A55 PDFBibTeX XMLCite \textit{C. Schmoeger}, Proc. Am. Math. Soc. 123, No. 4, 1237--1240 (1995; Zbl 0836.47002) Full Text: DOI
Kosiek, Marek; Octavio, Alfredo; Ptak, Marek On the reflexivity of pairs of contractions. (English) Zbl 0836.47006 Proc. Am. Math. Soc. 123, No. 4, 1229-1236 (1995). MSC: 47A15 47L45 47L30 PDFBibTeX XMLCite \textit{M. Kosiek} et al., Proc. Am. Math. Soc. 123, No. 4, 1229--1236 (1995; Zbl 0836.47006) Full Text: DOI
Herrero, Domingo A. A unicellular universal quasinilpotent weighted shift. (English) Zbl 0758.47006 Proc. Am. Math. Soc. 110, No. 3, 649-652 (1990). Reviewer: Yu.Kartovich (Odessa) MSC: 47A15 47B37 47A65 47B99 PDFBibTeX XMLCite \textit{D. A. Herrero}, Proc. Am. Math. Soc. 110, No. 3, 649--652 (1990; Zbl 0758.47006) Full Text: DOI
Takahashi, Katsutoshi On quasiaffine transforms of unilateral shifts. (English) Zbl 0632.47007 Proc. Am. Math. Soc. 100, 683-687 (1987). Reviewer: Wu Pei Yuan MSC: 47A45 47A10 47A65 PDFBibTeX XMLCite \textit{K. Takahashi}, Proc. Am. Math. Soc. 100, 683--687 (1987; Zbl 0632.47007) Full Text: DOI
Seddighi, Karim Essential spectra of operators in the class \(B_ n(\Omega)'\). (English) Zbl 0512.47014 Proc. Am. Math. Soc. 87, 453-458 (1983). MSC: 47A53 47B37 47B10 PDFBibTeX XMLCite \textit{K. Seddighi}, Proc. Am. Math. Soc. 87, 453--458 (1983; Zbl 0512.47014) Full Text: DOI