Applied Mathematics and Mechanics (English Edition) ›› 2002, Vol. 23 ›› Issue (4): 380-386.

• Articles • Previous Articles     Next Articles

SIMILARITY REDUCTIONS FOR THE NONLINEAR EVOLUTION EQUATION ARISING IN THE FERMI-PASTA-ULAM PROBLEM

XIE Fu-ding, YAN Zhen-ya, ZHANG Hong-qing   

  1. Department of Applied Mathematics, Dalian University of Technology, Dalian 116024, P.R.China
  • Received:2000-12-12 Revised:2001-10-09 Online:2002-04-18 Published:2002-04-18
  • Supported by:
    the National Key Basic Research Development Project Program of China (G1998030600);the National Natural Science Foundation of China (10072013);Doctoral Foundation of China (98014119)

Abstract: Four families of similarity reductions are obtained for the nonlinear evolution equation arising in the Fermi-Pasta-Ulam problem via using both the direct method due to Clarkson and Kruskal and the improved direct method due to Lou.

2010 MSC Number: 

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