Chen, Bang-Yen; Fastenakels, Johan Classification of flat Lagrangian surfaces in complex Lorentzian plane. (English) Zbl 1138.53062 Acta Math. Sin., Engl. Ser. 23, No. 12, 2111-2144 (2007). MSC: 53D12 53C40 53C42 PDFBibTeX XMLCite \textit{B.-Y. Chen} and \textit{J. Fastenakels}, Acta Math. Sin., Engl. Ser. 23, No. 12, 2111--2144 (2007; Zbl 1138.53062) Full Text: DOI
Dillen, Franki; Fastenakels, Johan; Van der Veken, Joeri A pinching theorem for the normal scalar curvature of invariant submanifolds. (English) Zbl 1108.53020 J. Geom. Phys. 57, No. 3, 833-840 (2007). MSC: 53C20 PDFBibTeX XMLCite \textit{F. Dillen} et al., J. Geom. Phys. 57, No. 3, 833--840 (2007; Zbl 1108.53020) Full Text: DOI