Search Results - "Adler, V. E."
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Negative flows and non-autonomous reductions of the Volterra lattice
Published in Open Communications in Nonlinear Mathematical Physics (15-02-2024)“…We study reductions of the Volterra lattice corresponding to stationary equations for the additional, noncommutative subalgebra of symmetries. It is shown…”
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2
Bogoyavlensky Lattices and Generalized Catalan Numbers
Published in Russian journal of mathematical physics (01-03-2024)“…We study the problem of the decay of initial data in the form of a unit step for the Bogoyavlensky lattices. In contrast to the Gurevich–Pitaevskii problem of…”
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Nonautonomous symmetries of the KdV equation and step-like solutions
Published in Journal of nonlinear mathematical physics (02-07-2020)“…We study solutions of the KdV equation governed by a stationary equation for symmetries from the non-commutative subalgebra, namely, for a linear combination…”
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4
Matrix Painlevé II equations
Published in Theoretical and mathematical physics (01-05-2021)“…We use the Painlevé–Kovalevskaya test to find three matrix versions of the Painlevé II equation. We interpret all these equations as group-invariant reductions…”
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5
Integrable Seven-Point Discrete Equations and Second-Order Evolution Chains
Published in Theoretical and mathematical physics (01-04-2018)“…We consider differential–difference equations defining continuous symmetries for discrete equations on a triangular lattice. We show that a certain combination…”
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6
Integrable Möbius-invariant evolutionary lattices of second order
Published in Functional analysis and its applications (01-10-2016)“…We solve the classification problem for integrable lattices of the form u , t = f ( u −2 ,..., u 2 ) under the additional assumption of invariance with respect…”
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7
Non-Abelian Evolution Systems with Conservation Laws
Published in Mathematical physics, analysis, and geometry (01-03-2021)“…We find noncommutative analogs for well-known polynomial evolution systems with higher conservation laws and symmetries. The integrability of obtained…”
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8
Volterra Chain and Catalan Numbers
Published in JETP letters (01-12-2018)“…We consider the Cauchy problem for the Volterra chain with an initial condition equal to 0 in one node and 1 in the others. It is shown that this problem…”
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Some Exact Solutions of the Volterra Lattice
Published in Theoretical and mathematical physics (01-10-2019)“…We study solutions of the Volterra lattice satisfying the stationary equation for its nonautonomous symmetry. We show that the dynamics in t and n are governed…”
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10
Cartan Matrices in the Toda–Darboux Chain Theory
Published in Theoretical and mathematical physics (01-07-2018)“…We discuss a one-to-one correspondence between the polynomial first integrals of Hamiltonian systems with exponential interaction and the hyperintegrals of the…”
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11
Discrete nonlinear hyperbolic equations. Classification of integrable cases
Published in Functional analysis and its applications (01-03-2009)“…We consider discrete nonlinear hyperbolic equations on quad-graphs, in particular on ℤ 2 . The fields are associated with the vertices and an equation of the…”
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12
Classification of Integrable Equations on Quad-Graphs. The Consistency Approach
Published in Communications in mathematical physics (01-02-2003)Get full text
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13
Negative flows and non-autonomous reductions of the Volterra lattice
Published 20-01-2024“…Open Communications in Nonlinear Mathematical Physics, Special Issue in Memory of Decio Levi (February 15, 2024) ocnmp:11597 We study reductions of the…”
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14
Legendre transforms on a triangular lattice
Published in Functional analysis and its applications (01-01-2000)Get full text
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15
Differential substitutions for non-Abelian equations of KdV type
Published 07-03-2021“…Ufa Math. J. 13:2 (2021) 107-114 We construct non-Abelian analogs for some KdV type equations, including the (rational form of) exponential…”
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Nonautonomous symmetries of the KdV equation and step-like solutions
Published 12-11-2019“…Journal of Nonlinear Mathematical Physics 27:3 (2020) 478-493 We study solutions of the KdV equation governed by a stationary equation for symmetries from the…”
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17
Cauchy Problem for Integrable Discrete Equations on Quad-Graphs
Published in Acta applicandae mathematicae (01-11-2004)“…Initial value problems for the integrable discrete equations on quad-graphs are investigated. We give a geometric criterion of when such a problem is…”
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18
Model equation of the theory of solitons
Published in Theoretical and mathematical physics (01-10-2007)Get full text
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19
Integrable 7-point discrete equations and evolution lattice equations of order 2
Published 30-05-2017“…Theoretical and Mathematical Physics 195:2 (2018) 513-528 We consider differential-difference equations that determine the continuous symmetries of discrete…”
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20
Non-Abelian evolution systems with conservation laws
Published 14-10-2020“…Math. Phys. Anal. Geom. 24:1 (2021) 7 We find noncommutative analogs for well-known polynomial evolution systems with higher conservation laws and symmetries…”
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