(1) Geometric Methods in the Teaching of Linear Algebra, Journal of north china university of technology, Vol.2, 1998-6. (2) Infinitesimal stability of unfolding and its application in bifurcation problems, Journal of north china university of technology, 1998- 1( 10). (3) Decisiveness of bifurcation problems under C0 contact equivalent D singular Riemann metric, Journal of Mathematics, 1999-3 (Vol.42, No.2) (core journal). (4) Application of Elliptic Curve in Digital Image Hiding, Journal of north china university of technology, September 2000. Volume 12, No.3 (5) affine modulus transformation of digital images and its periodicity, Journal of north china university of technology, No.3, 12, September 2000. (6) Periodicity of orthogonal Latin transform and its application in digital image scrambling and information hiding, Proceedings of National Academic Conference, xidian university Press ISBN 7-5606-0432-3/tn.0186,2001-9. (7) Digital image scrambling method based on orthogonal latin squares, Journal of north china university of technology, No.2001-3 13. 1.(8) Magic Square, Bernstein Polynomial and Its Magic Plane, Proceedings of the First National Symposium on Geometric Design and Calculation, June 2002, Petroleum University Press ISBN7-5636- 1646-2. (9) Generalized Gray Code and Its Application in Digital Image Scrambling, Journal of Applied Mathematics of Colleges and Universities (Series A) 2002-3(Vol. 17) (core journal). (10) Bernstein polynomial and its magic surface, Journal of Computer Aided Design and Graphics 2003-5(Vol. 15) (core journal).