Bracken, Paul Francis Hamiltonians for the quantum Hall effect on spaces with non-constant metrics. (English) Zbl 1110.83005 Int. J. Theor. Phys. 46, No. 1, 119-132 (2007). MSC: 83C10 83C47 PDFBibTeX XMLCite \textit{P. F. Bracken}, Int. J. Theor. Phys. 46, No. 1, 119--132 (2007; Zbl 1110.83005) Full Text: DOI arXiv
Rebouças, M. J.; Skea, J. E. F.; Tavakol, R. K. Cosmological models expressible as gradient vector fields. (English) Zbl 0867.34024 J. Math. Phys. 37, No. 2, 858-873 (1996). Reviewer: Yu.V.Rogovchenko (Firenze) MSC: 34C20 83F05 37-XX 34D05 34F05 PDFBibTeX XMLCite \textit{M. J. Rebouças} et al., J. Math. Phys. 37, No. 2, 858--873 (1996; Zbl 0867.34024) Full Text: DOI