Male, 196 1 born in guangshan county, Henan province, member of China association for promoting democracy. From 1996, he obtained a doctor of science degree in basic mathematics from Sichuan University (tutor Professor Li Anmin) and a postdoctoral fellow from Zhejiang University from 1998. He is currently a professor, doctoral supervisor and deputy director of the Department of Mathematics. Research direction: differential geometry. Member of American Mathematical Society, commentator of American Mathematical Review and director of Henan Mathematical Society.

Up to now, * * * has instructed 24 graduate students, of whom 14 have graduated and worked in universities or financial systems inside and outside the province. Geometry courses and other public courses, including analytic geometry, differential geometry, affine differential geometry, complex manifold geometry, differential manifold, Riemannian geometry, etc., are offered for undergraduates and graduate students.

From June 5438+0, 2002 to June 5438+0, 2003, he went to the Technical University of Berlin, Germany for a study visit with the support of the National Fund for Studying Abroad. From July to September, 2005, he won a scholarship from the German Academic Exchange Center (DAAD) and went to Berlin Technical University for another research visit. Since 2006, he has been invited to visit Berlin Technical University in Germany and Tohoku University in Japan. He was invited to give an invitation report at the 4th China-Japan Friendship Geometry Conference (held in Nankai University on February 22-27, 2008) and chinese mathematical society 2009 Academic Annual Conference (held in Xiamen University on April 26, 2009).