Ashkenazi, Max; Chow, Shui-Nee; Drachman, Byron Symbolic computation of normal forms for nonlinear Hamiltonian systems. (English) Zbl 0767.58012 J. Comput. Appl. Math. 39, No. 3, 363-378 (1992). Reviewer: B.G.Konopelchenko (Novosibirsk) MSC: 37J99 37G05 68W30 PDFBibTeX XMLCite \textit{M. Ashkenazi} et al., J. Comput. Appl. Math. 39, No. 3, 363--378 (1992; Zbl 0767.58012) Full Text: DOI
Ashkenazi, Max; Chow, Shui-Nee Normal forms near critical points for differential equations and maps. (English) Zbl 0702.34033 IEEE Trans. Circuits Syst. 35, No. 7, 850-862 (1988). Reviewer: S.Yu.Pilyugin MSC: 34C20 34C05 PDFBibTeX XMLCite \textit{M. Ashkenazi} and \textit{S.-N. Chow}, IEEE Trans. Circuits Syst. 35, No. 7, 850--862 (1988; Zbl 0702.34033) Full Text: DOI
Ashkenazi, Max; Chow, Shui-Nee A Hopf’s bifurcation theorem for nonsimple eigenvalues. (English) Zbl 0451.34039 Adv. Appl. Math. 1, 360-372 (1980). MSC: 34C25 34L99 PDFBibTeX XMLCite \textit{M. Ashkenazi} and \textit{S.-N. Chow}, Adv. Appl. Math. 1, 360--372 (1980; Zbl 0451.34039) Full Text: DOI
Ashkenazi, Max; Chow, Shui-Nee Existence of periodic solutions at resonance for functional differential equations. (English) Zbl 0438.34064 Tohoku Math. J., II. Ser. 32, 235-254 (1980). MSC: 34K99 34C25 PDFBibTeX XMLCite \textit{M. Ashkenazi} and \textit{S.-N. Chow}, Tôhoku Math. J. (2) 32, 235--254 (1980; Zbl 0438.34064) Full Text: DOI