Zhu, Huaiping2007-02-122007-02-122005Huaiping Zhu, From the PP-graphics to the finiteness part of Hilbert's 16th problem for quadratic systems. EQUADIFF 2003, 357--362, World Sci. Publ., Hackensack, NJ, 2005.9789812561695 (print); 9789814480918 (ebook)http://hdl.handle.net/10315/907https://doi.org/10.1142/9789812702067_0055This is part of the effort, the program launched by Dumortier, Roussarie and Rousseau, in proving the finiteness part of Hilbert’s 16th problem. In this paper, we highlight the ideas of proving the finite cyclicity of pp-graphics in quadratic systems.160058 bytesapplication/pdfen© 2005 World Scientific Publishing Co Pte LtdFrom the PP-graphics to the finiteness part of Hilbert's 16th problem for quadratic systemsConference Proceedings