Guo, Yuxia; Liu, Jiaquan Solutions of \(p\)-sublinear \(p\)-Laplacian equation via Morse theory. (English) Zbl 1161.35405 J. Lond. Math. Soc., II. Ser. 72, No. 3, 632-644 (2005). MSC: 35J65 49K20 35J40 58E05 PDFBibTeX XMLCite \textit{Y. Guo} and \textit{J. Liu}, J. Lond. Math. Soc., II. Ser. 72, No. 3, 632--644 (2005; Zbl 1161.35405) Full Text: DOI
Chang, Kung-Ching; Liu, Jia-Quan Boundary flow for the minimal surfaces in \(\mathbb R^n\) with Plateau boundary condition. (English) Zbl 1082.53006 Proc. R. Soc. Edinb., Sect. A, Math. 135, No. 3, 537-562 (2005). Reviewer: Manuel Ritoré (Granada) MSC: 53A10 49Q05 58E12 PDFBibTeX XMLCite \textit{K.-C. Chang} and \textit{J.-Q. Liu}, Proc. R. Soc. Edinb., Sect. A, Math. 135, No. 3, 537--562 (2005; Zbl 1082.53006) Full Text: DOI
Brezis, Haim (ed.); Li, Shu Jie (ed.); Liu, Jia Quan (ed.); Rabinowitz, Paul H. (ed.) Morse theory, minimax theory and their applications to nonlinear differential equations. Proceedings of the workshop, Beijing, China, April 1–September 30, 1999. (English) Zbl 1034.58001 New Studies in Advanced Mathematics 1. Somerville, MA: International Press (ISBN 1-57146-109-4/hbk). iv, 282 p. (2003). MSC: 58-06 49-06 00B25 PDFBibTeX XMLCite \textit{H. Brezis} (ed.) et al., Morse theory, minimax theory and their applications to nonlinear differential equations. Proceedings of the workshop, Beijing, China, April 1--September 30, 1999. Somerville, MA: International Press (2003; Zbl 1034.58001)
Wei, Ji Wei; Liu, Jia Quan An application of nonsmooth critical point theory. (Chinese. English summary) Zbl 1264.49015 Adv. Math., Beijing 31, No. 3, 229-236 (2002). MSC: 49J52 47J30 49J40 35A15 35J20 PDFBibTeX XMLCite \textit{J. W. Wei} and \textit{J. Q. Liu}, Adv. Math., Beijing 31, No. 3, 229--236 (2002; Zbl 1264.49015)
Liu, Jiaquan The Morse index of a saddle point. (English) Zbl 0732.58011 Syst. Sci. Math. Sci. 2, No. 1, 32-39 (1989). Reviewer: L.Nicolaescu (East Lansing) MSC: 58E05 49J35 PDFBibTeX XMLCite \textit{J. Liu}, Syst. Sci. Math. Sci. 2, No. 1, 32--39 (1989; Zbl 0732.58011)
Liu, Jiaquan; Song, Tiantai; Du, Dingzhu On a necessary and sufficient condition for local optimal solutions of quadratic programming. (English) Zbl 0514.90068 Chin. Ann. Math. 3, 625-630 (1982). MSC: 90C20 49K99 PDFBibTeX XMLCite \textit{J. Liu} et al., Chin. Ann. Math. 3, 625--630 (1982; Zbl 0514.90068)