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Henry, Raphaël; Krejčiřík, David Pseudospectra of the Schrödinger operator with a discontinuous complex potential. (English) Zbl 1377.34106 J. Spectr. Theory 7, No. 3, 659-697 (2017). MSC: 34L05 34L15 47A10 47B44 81Q12 PDFBibTeX XMLCite \textit{R. Henry} and \textit{D. Krejčiřík}, J. Spectr. Theory 7, No. 3, 659--697 (2017; Zbl 1377.34106) Full Text: DOI arXiv
Exner, P.; Krejcirík, D. Waveguides coupled through a semitransparent barrier: A Birman-Schwinger analysis. (English) Zbl 1029.81025 Rev. Math. Phys. 13, No. 3, 307-334 (2001). MSC: 81Q10 35J10 PDFBibTeX XMLCite \textit{P. Exner} and \textit{D. Krejcirík}, Rev. Math. Phys. 13, No. 3, 307--334 (2001; Zbl 1029.81025) Full Text: DOI arXiv
Exner, P.; Krejčiřík, D. Bound states in mildly curved layers. (English) Zbl 0981.81022 J. Phys. A, Math. Gen. 34, No. 30, 5969-5985 (2001). MSC: 81Q05 81V35 PDFBibTeX XMLCite \textit{P. Exner} and \textit{D. Krejčiřík}, J. Phys. A, Math. Gen. 34, No. 30, 5969--5985 (2001; Zbl 0981.81022) Full Text: DOI arXiv