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Continuous and discrete matrix Burgers’ hierarchies

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Il Nuovo Cimento B (1971-1996)

Summary

We derive two hierarchies of matrix nonlinear evolution equations which reduce to the Burgers’ hierarchy in the scalar case and can be linearized by a matrix analogue of the Hopf-Cole transformation: for these hierarchies we display the associated class of Bäcklund transformations and show some special kinds of explicit solutions. More-over, by exploiting a discrete version of the Hopf-Cole transformation, we are also able to construct two hierarchies of linearizable nonlinear difference evolution equations and to derive for them Bäcklund trans-formations and explicit solutions.

Riassunto

In questo lavoro si derivano due gerarchie di equazioni di evoluzione nonlineari matriciali che possono essere linearizzate mediante un analogo matriciale della trasformazione di Hopf-Cole e si riducono nel caso scalare alla già nota gerarchia di Burgers. Per queste due gerarchie, come pure per le loro versioni discrete (anch’esse linearizzabili) si ottengono le trasformazioni di Bäcklund e si mostrano alcuni tipi significativi di soluzioni esplicite.

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Levi, D., Ragnisco, O. & Bruschi, M. Continuous and discrete matrix Burgers’ hierarchies. Nuov Cim B 74, 33–51 (1983). https://doi.org/10.1007/BF02721683

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  • DOI: https://doi.org/10.1007/BF02721683

PACS. 02.30

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