Search Results - "Igonin, Sergei"
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Simplifications of Lax pairs for differential–difference equations by gauge transformations and (doubly) modified integrable equations
Published in Partial differential equations in applied mathematics : a spin-off of Applied Mathematics Letters (01-09-2024)“…Matrix differential–difference Lax pairs play an essential role in the theory of integrable nonlinear differential–difference equations. We present sufficient…”
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On Lie algebras responsible for integrability of (1+1)-dimensional scalar evolution PDEs
Published in Journal of geometry and physics (01-04-2020)“…Zero-curvature representations (ZCRs) are one of the main tools in the theory of integrable PDEs. In [13], for any (1+1)-dimensional scalar evolution…”
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3
Lie algebras responsible for zero-curvature representations of scalar evolution equations
Published in Journal of geometry and physics (01-04-2019)“…Zero-curvature representations (ZCRs) are one of the main tools in the theory of integrable PDEs. In particular, Lax pairs for (1+1)-dimensional PDEs can be…”
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4
On construction of symmetries and recursion operators from zero-curvature representations and the Darboux–Egoroff system
Published in Journal of geometry and physics (01-11-2014)“…The Darboux–Egoroff system of PDEs with any number n≥3 of independent variables plays an essential role in the problems of describing n-dimensional flat…”
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5
Simplifications of Lax pairs for differential-difference equations by gauge transformations and (doubly) modified integrable equations
Published 15-07-2024“…Partial Differential Equations in Applied Mathematics 11 (2024), 100821 Matrix differential-difference Lax pairs play an essential role in the theory of…”
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6
On Lax representations under the gauge equivalence relation and Miura-type transformations for lattice equations
Published 14-05-2024“…We study matrix Lax representations (MLRs) for differential-difference (lattice) equations. For a given equation, two MLRs are said to be gauge equivalent if…”
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7
Set-theoretical solutions to the Zamolodchikov tetrahedron equation on associative rings and Liouville integrability
Published 10-03-2022“…Theoretical and Mathematical Physics 212 (2022), 1116--1124 This paper is devoted to tetrahedron maps, which are set-theoretical solutions to the Zamolodchikov…”
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On matrix Lax representations and constructions of Miura-type transformations for differential-difference equations
Published 02-10-2024“…This paper is part of a research project on relations between differential-difference matrix Lax representations (MLRs) with the action of gauge…”
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9
Algebraic and differential-geometric constructions of set-theoretical solutions to the Zamolodchikov tetrahedron equation
Published 13-09-2022“…We present several algebraic and differential-geometric constructions of tetrahedron maps, which are set-theoretical solutions to the Zamolodchikov tetrahedron…”
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10
On Lie algebras responsible for integrability of (1+1)-dimensional scalar evolution PDEs
Published 01-02-2020“…Journal of Geometry and Physics 150 (2020), 103596 Zero-curvature representations (ZCRs) are one of the main tools in the theory of integrable PDEs. In…”
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11
Lie algebras responsible for zero-curvature representations of scalar evolution equations
Published 18-10-2018“…Journal of Geometry and Physics 138 (2019), 297-316 Zero-curvature representations (ZCRs) are one of the main tools in the theory of integrable PDEs. In…”
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12
On Lie algebras responsible for zero-curvature representations and Backlund transformations of (1+1)-dimensional scalar evolution PDEs
Published 12-04-2018“…Zero-curvature representations (ZCRs) are one of the main tools in the theory of integrable PDEs. In particular, Lax pairs for $(1+1)$-dimensional PDEs can be…”
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13
On Lie algebras responsible for zero-curvature representations of multicomponent (1+1)-dimensional evolution PDEs
Published 21-03-2017“…Zero-curvature representations (ZCRs) are one of the main tools in the theory of integrable $(1+1)$-dimensional PDEs. According to the preprint…”
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14
Miura-type transformations for lattice equations and Lie group actions associated with Darboux-Lax representations
Published 28-04-2016“…J. Phys. A: Math. Theor. 49 (2016), 275201 Miura-type transformations (MTs) are an essential tool in the theory of integrable nonlinear partial differential…”
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15
On construction of symmetries and recursion operators from zero-curvature representations and the Darboux-Egoroff system
Published 29-05-2014“…J. Geom. Phys. 85 (2014), 106--123 The Darboux-Egoroff system of PDEs with any number $n\ge 3$ of independent variables plays an essential role in the problems…”
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16
Notes on homogeneous vector bundles over complex flag manifolds
Published 30-09-2002“…V.A.Malyshev and A.M.Vershik (eds.), Asymptotic Combinatorics with Application to Mathematical Physics, 245-254. Kluwer, 2002 Let P be a parabolic subgroup of…”
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Conservation laws for multidimensional systems and related linear algebra problems
Published 26-03-2002“…J. Phys. A: Math. Gen. 35 (2002) 10619-10628 We consider multidimensional systems of PDEs of generalized evolution form with t-derivatives of arbitrary order…”
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Conservation laws of generalized higher Burgers and linear evolution equations
Published 10-01-2002“…By the Cole-Hopf transformation, with any linear evolution equation in 1+1 dimensions a generalized Burgers equation is associated. We describe local…”
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Prolongation structure of the Krichever-Novikov equation
Published 05-08-2002“…J. Phys. A: Math. Gen. 35 (2002) 9801-9810 We completely describe Wahlquist-Estabrook prolongation structures (coverings) dependent on u, u_x, u_{xx}, u_{xxx}…”
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On one-parametric families of Backlund transformations
Published 25-10-2000“…In the context of the cohomological deformation theory, infinitesimal description of one-parametric families of Backlund transformations of special type…”
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