Applied Mathematics and Mechanics (English Edition) ›› 1991, Vol. 12 ›› Issue (8): 807-811.
谢汉光
Xie Han-guang
摘要: In this paper, we study the general structure of evolution equations of the AKNS eigenvalue problem q(x,t), r(x,t) with the spectrum varying as and A1,B1,C1are all positive or negative power polynomials of where q, r are not limited with any additional conditions at infinity.