Two-sided Darboux transformations |
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| Authors: | A B Shabat Z S élkanova A B Urusova |
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| Institution: | 1. Aliev Karachaev-Cherkess State University, Karachaevsk, Russia
2. Landau Institute for Theoretical Physics, RAS, Chernogolovka, Moscow Oblast, Russia
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| Abstract: | We refine the notion of a Darboux transformation for differential operators of an order higher than two and consider commutative rings of differential operators that are invariant under the group of dilations of the independent variable. |
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