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This article is cited in 7 scientific papers (total in 7 papers)
Integrating the modified Korteweg–de Vries–sine-Gordon equation in the class of periodic infinite-gap functions
A. B. Khasanova, Kh. N. Normurodova, U. O. Hudayerovb a Samarkand State University, Samarkand, Uzbekistan
b Samarkand Architectural and Construction Institute,
Samarkand, Uzbekistan
Abstract:
The inverse spectral problem method is used to integrate the nonlinear modified Korteweg–de Vries–sine-Gordon equation in the class of periodic infinite-gap functions. The solvability of the Cauchy problem for an infinite system of Dubrovin differential equations in the class of six-times continuously differentiable periodic infinite-gap functions is proved. It is shown that the sum of a uniformly converging functional series constructed with the use of a solution of a system of Dubrovin equations and the first trace formula satisfies the modified Korteweg–de Vries–sine-Gordon equation.
Keywords:
modified Korteweg–de Vries–sine-Gordon equation, Dirac operator, spectral data, system of Dubrovin equations, trace formulas.
Received: 10.09.2022 Revised: 17.10.2022
Citation:
A. B. Khasanov, Kh. N. Normurodov, U. O. Hudayerov, “Integrating the modified Korteweg–de Vries–sine-Gordon equation in the class of periodic infinite-gap functions”, TMF, 214:2 (2023), 198–210; Theoret. and Math. Phys., 214:2 (2023), 170–182
Linking options:
https://www.mathnet.ru/eng/tmf10365https://doi.org/10.4213/tmf10365 https://www.mathnet.ru/eng/tmf/v214/i2/p198
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