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On the Darboux matrices of Bäcklund transformations for AKNS systems

Research paper by Gu Chaohao, Zhou Zixiang

Indexed on: 01 Apr '87Published on: 01 Apr '87Published in: Letters in Mathematical Physics



Abstract

The auto-Bäcklund property of the Darboux matrices for AKNS systems is proved. A quite general form of the theorem of permutability is obtained in a universal way.