Chanu, Claudia Maria; Rastelli, Giovanni Extended Hamiltonians and shift, ladder functions and operators. (English) Zbl 1375.81150 Ann. Phys. 386, 254-274 (2017). MSC: 81S05 81R12 81R15 70H06 PDFBibTeX XMLCite \textit{C. M. Chanu} and \textit{G. Rastelli}, Ann. Phys. 386, 254--274 (2017; Zbl 1375.81150) Full Text: DOI arXiv
Chanu, Claudia Maria; Degiovanni, Luca; Rastelli, Giovanni The Tremblay-Turbiner-Winternitz system as extended Hamiltonian. (English) Zbl 1308.70021 J. Math. Phys. 55, No. 12, 122701, 8 p. (2014). MSC: 70H05 70H06 PDFBibTeX XMLCite \textit{C. M. Chanu} et al., J. Math. Phys. 55, No. 12, 122701, 8 p. (2014; Zbl 1308.70021) Full Text: DOI arXiv