Backlund-Darboux Transformations in Sato's Grassmannian
Bakalov, B., Horozov, E., Yakimov, M. (1996)
Serdica Mathematical Journal
Similarity:
We define Bäcklund–Darboux transformations in Sato’s Grassmannian. They can be regarded as Darboux transformations on maximal algebras of commuting ordinary differential operators. We describe the action of these transformations on related objects: wave functions, tau-functions and spectral algebras.