Roberts, John A. G.; Jogia, Danesh Birational maps that send biquadratic curves to biquadratic curves. (English) Zbl 1326.11009 J. Phys. A, Math. Theor. 48, No. 8, Article ID 02, 13 p. (2015). Reviewer: Vladimir L. Popov (Moskva) MSC: 11E16 14E05 37C10 37K10 PDFBibTeX XMLCite \textit{J. A. G. Roberts} and \textit{D. Jogia}, J. Phys. A, Math. Theor. 48, No. 8, Article ID 02, 13 p. (2015; Zbl 1326.11009) Full Text: DOI
Roberts, John A. G.; Vivaldi, Franco A combinatorial model for reversible rational maps over finite fields. (English) Zbl 1171.37321 Nonlinearity 22, No. 8, 1965-1982 (2009). MSC: 37E30 37C80 11T99 PDFBibTeX XMLCite \textit{J. A. G. Roberts} and \textit{F. Vivaldi}, Nonlinearity 22, No. 8, 1965--1982 (2009; Zbl 1171.37321) Full Text: DOI arXiv
Roberts, John A. G.; Vivaldi, Franco Signature of time-reversal symmetry in polynomial automorphisms over finite fields. (English) Zbl 1084.37035 Nonlinearity 18, No. 5, 2171-2192 (2005). MSC: 37E30 37C80 11T99 PDFBibTeX XMLCite \textit{J. A. G. Roberts} and \textit{F. Vivaldi}, Nonlinearity 18, No. 5, 2171--2192 (2005; Zbl 1084.37035) Full Text: DOI Link
Scafetta, N.; Imholt, T.; Roberts, J. A.; West, B. J. An intensity-expansion method to treat non-stationary time series: An application to the distance between prime numbers. (English) Zbl 1069.11056 Chaos Solitons Fractals 20, No. 1, 119-125 (2004). MSC: 11Y35 62M10 PDFBibTeX XMLCite \textit{N. Scafetta} et al., Chaos Solitons Fractals 20, No. 1, 119--125 (2004; Zbl 1069.11056) Full Text: DOI arXiv
Roberts, John A. G.; Jogia, Danesh; Vivaldi, Franco The Hasse-Weil bound and integrability detection in rational maps. (English) Zbl 1362.11061 J. Nonlinear Math. Phys. 10, Suppl. 2, 166-180 (2003). MSC: 11G20 14H70 PDFBibTeX XMLCite \textit{J. A. G. Roberts} et al., J. Nonlinear Math. Phys. 10, 166--180 (2003; Zbl 1362.11061) Full Text: DOI
Roberts, J. A. G.; Vivaldi, F. Arithmetical method to detect integrability in maps. (English) Zbl 1267.37058 Phys. Rev. Lett. 90, No. 3, Article ID 034102, 4 p. (2003). MSC: 37J10 11N36 37P99 37C05 37J35 PDFBibTeX XMLCite \textit{J. A. G. Roberts} and \textit{F. Vivaldi}, Phys. Rev. Lett. 90, No. 3, Article ID 034102, 4 p. (2003; Zbl 1267.37058) Full Text: DOI
Ballantine, C.; Roberts, J. A simple proof of Rolle’s theorem for finite fields. (English) Zbl 1030.12001 Am. Math. Mon. 109, No. 1, 72-74 (2002). Reviewer: Gábor Braun (Essen) MSC: 12E05 11T06 12E20 PDFBibTeX XMLCite \textit{C. Ballantine} and \textit{J. Roberts}, Am. Math. Mon. 109, No. 1, 72--74 (2002; Zbl 1030.12001) Full Text: DOI
Pettigrew, J.; Roberts, J. A. G.; Vivaldi, F. Complexity of regular invertible \(p\)-adic motions. (English) Zbl 1080.37564 Chaos 11, No. 4, 849-857 (2001). MSC: 37F99 11Z05 37B10 37E15 PDFBibTeX XMLCite \textit{J. Pettigrew} et al., Chaos 11, No. 4, 849--857 (2001; Zbl 1080.37564) Full Text: DOI