东北师范大学博士研究生导师介绍：裴东河

2. S. Izumiya, D. Pei and M. C. Romero-Fuster, The horospherical geometry of spacelike surfaces in Hyperbolic 4-space. Israel Journal of Mathematics,154 (2006),361-379. (SCI)

3. S. Izumiya, M. Kossowski, D. Pei and M. C. Romero-Fuster, Singularities of lightlike Hypersurfaces in Minkowski 4-space. Tohoku Mathematical Journal,58 (2006), 71-88. (SCI)

4. S. Izumiya, D. Pei, M. C. Romero-Fuster and M. Takahashi, The horospherical geometry of submanifolds in Hyperbolic space, Journal of the London mathematical Society,71(2005) 779-800. （SCI）

5. S. Izumiya, D. Pei and M .C. Romero-Fuster, Umbilicity of spacelike submanifolds in Minkowski space. Proceedings of the Royal Society of Edinburgh, 134A (2004) 375-387. （SCI）

6. S.Izumiya, D. Pei and M. Takahashi, Evolutes of hypersurfaces in Hyperbolic space. Proceedings of the Edinburgh Mathematical Society, 47 (2004)131-153. （SCI）

7. S. Izumiya, D. Pei, M. C. Romero-Fuster and M. Takahashi, On the horospherical rides of submanifolds of codimention 2 in hyperbolic n-space. Bull. of Brazilian Math. Soc, New Series, 35 (2004) 177-198. （SCI）

8. S. Izumiya, D. Pei, T. Sano and E.Torii, Evolutes of hyperbolic plane curves, Acta Mathematica Sinica,English series, 20 (2004) 543-550. （SCI）

9. S. Izumiya, D. Pei and T. Sano, Horospherical surfaces of curves in hyperbolic space, Publicationes Mathematicae Debrecen, 64 (2004) 1-13. （SCI）

10. S.Izumiya, D. Pei and M.C. Romero-Fuster, The lightcone Gauss map of a spacelike surface in Minkowski 4-space. Asian Journal of Mathematics, 8(2004) 511-530.

11. S.Izumiya, D. Pei and M. Takahashi, Curves and surfaces in hyperbolic space, Banach center publications,65(2004) 107-123.

12. S.Izumiya, D.Pei and T.Sano, Singularities of hyperbolic Gauss maps, Proceedings of the London mathematical Society 86 (2003) 485-512 （SCI）

13. S.Izumiya and D.Pei，The valued lightcone Gauss map of a Lorentzian 3-submanifold in semi-Euclidean. Hokkaido University Technical Report Series in Mathematics,78 (2003)163-166.

14. S.Izumiya, D.Pei and T.Sano, The lightlike Gauss map and the lightcone developable of a spacelike curve in Minkowski 3-space, Glasgow Math.,42 (2000) 75-89 （SCI）

15.D.Pei and T.Sano, The focal developable and the binormal indicatrix of nonlightlike curve in Minkowski 3-space, Tokyo J. Math., 23 (2000) 211-225

16. D. Pei, Generic differential geometry on curves and surface in Minkowski 3-space, Paper of the degree of Doctor, Hokkaido University (1999.3)

17. D.Pei, Singularities of RP^2-valued Gauss maps of surface in Minkowski 3-space, Hokkaido Math.J.,28 (1999) 97-115.

18. D-H. Pei, X-T. Li, W. Sun, Y. Iimura S. Kobayashi and S. Izumiya, A cusp catastrophic model in Smectic liquid crystal phase transition. 液晶与显示 Vol.13,No.2 (1998)

19．X-T.L, D-H.Pei, S.Kobayashi and Y.Iimura, Measurement of Azimuthal Anchoring energy at Liquid crystal/photopolymer interface, Jpn.J.Appl.Phys.,Vol.36 Part 2,No.4A (1997)L432-L434 （SCI）

20．X-T. Li, D-H. Pei, Y. Iimura S. Kobayashi, Azimuthal surface anchoring energy in photo-induced PVCi optical anisotropic alignment films, 16th ILCC, Kent State University, Kent, Ohio, USA (1996,6)

2.日本学术振兴会外国人特别研究员奖励基金(2001.3-2003.3)主持 “Generic differential geometry on curves and surface in Minkowski 4-space”(JSPS, No. 2000266)

3.国家自然科学基金 （2003.1-2005.12）参加 “奇点理论研究及其应用” (No. 10271023)

4.国家自然科学基金 （2005.1-2007.12）主持 "奇点理论及其应用" (No. 10471020)

5.教育部“新世纪优秀人才支持计划资助项目”（2006.1-2008.12）主持 (NCET-05-0319)