© 1993 by London Mathematical Society
© London Mathematical Society, 1993
On (Modified) Boussinesq-Type Systems and Factorizations of Associated Linear Differential Expressions
Department of Mathematics University of Missouri-Columbia Columbia Mo 65211 USA E-mail: mathfg{at}mizzovl.missouri.edu
Department of Mathematical and Computing Sciences University of Surrey Guildford Surrey GU2 5XH
Department of Mathematics University of Alabama at Birmingham Birmingham Al 35294 USA E-mail: rudi{at}math.uab.edu
We study Bäcklund transformations for a Boussinesq- or nonlinear string-type equation and explicitly construct solutions for the associated modified equations. Our main results involve Miura-type transformations and a careful study of factorizations of associated third-order linear differential expressions.