Giachetti, Riccardo; Grecchi, Vincenzo Bender-Wu singularities. (English) Zbl 1353.81052 J. Math. Phys. 57, No. 12, 122109, 13 p. (2016). MSC: 81Q10 34L40 34L05 PDF BibTeX XML Cite \textit{R. Giachetti} and \textit{V. Grecchi}, J. Math. Phys. 57, No. 12, 122109, 13 p. (2016; Zbl 1353.81052) Full Text: DOI arXiv OpenURL
Giachetti, Riccardo; Grecchi, Vincenzo Localization of the states of a \(PT\)-symmetric double well. (English) Zbl 1329.81168 Int. J. Theor. Phys. 54, No. 11, 3889-3899 (2015). MSC: 81Q05 81R05 PDF BibTeX XML Cite \textit{R. Giachetti} and \textit{V. Grecchi}, Int. J. Theor. Phys. 54, No. 11, 3889--3899 (2015; Zbl 1329.81168) Full Text: DOI arXiv OpenURL