On the Question of the Bäcklund Transformations and Jordan Generalizations of the Second Painlevé Equation

We demonstrate the way to derive the second Painlevé equation <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>P</mi><mn>2</mn></msub></semantics></math></in...

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Autores principales: Artyom V. Yurov, Valerian A. Yurov
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Publicado: MDPI AG 2021
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spelling oai:doaj.org-article:11557ea5b95c4311a6ab51a3236fd9722021-11-25T19:06:42ZOn the Question of the Bäcklund Transformations and Jordan Generalizations of the Second Painlevé Equation10.3390/sym131120952073-8994https://doaj.org/article/11557ea5b95c4311a6ab51a3236fd9722021-11-01T00:00:00Zhttps://www.mdpi.com/2073-8994/13/11/2095https://doaj.org/toc/2073-8994We demonstrate the way to derive the second Painlevé equation <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>P</mi><mn>2</mn></msub></semantics></math></inline-formula> and its Bäcklund transformations from the deformations of the Nonlinear Schrödinger equation (NLS), all the while preserving the strict invariance with respect to the Schlesinger transformations. The proposed algorithm allows for a construction of Jordan algebra-based completely integrable multiple-field generalizations of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>P</mi><mn>2</mn></msub></semantics></math></inline-formula> while also producing the corresponding Bäcklund transformations. We suggest calling such models the JP-systems. For example, a Jordan algebra <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>J</mi><msub><mrow></mrow><mrow><mi>Mat</mi><mo>(</mo><mi>N</mi><mo>,</mo><mi>N</mi><mo>)</mo></mrow></msub></msub></semantics></math></inline-formula> with the Jordan product in the form of a semi-anticommutator is shown to generate an integrable matrix generalization of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>P</mi><mn>2</mn></msub></semantics></math></inline-formula>, whereas the <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>V</mi><msub><mrow></mrow><mi>N</mi></msub></msub></semantics></math></inline-formula> algebra produces a different JP-system that serves as a generalization of the Sokolov’s form of a vectorial NLS.Artyom V. YurovValerian A. YurovMDPI AGarticlePainlevé equationsBäcklund transformationsSchlesinger transformationsJS-systemsJP-systemsMathematicsQA1-939ENSymmetry, Vol 13, Iss 2095, p 2095 (2021)
institution DOAJ
collection DOAJ
language EN
topic Painlevé equations
Bäcklund transformations
Schlesinger transformations
JS-systems
JP-systems
Mathematics
QA1-939
spellingShingle Painlevé equations
Bäcklund transformations
Schlesinger transformations
JS-systems
JP-systems
Mathematics
QA1-939
Artyom V. Yurov
Valerian A. Yurov
On the Question of the Bäcklund Transformations and Jordan Generalizations of the Second Painlevé Equation
description We demonstrate the way to derive the second Painlevé equation <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>P</mi><mn>2</mn></msub></semantics></math></inline-formula> and its Bäcklund transformations from the deformations of the Nonlinear Schrödinger equation (NLS), all the while preserving the strict invariance with respect to the Schlesinger transformations. The proposed algorithm allows for a construction of Jordan algebra-based completely integrable multiple-field generalizations of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>P</mi><mn>2</mn></msub></semantics></math></inline-formula> while also producing the corresponding Bäcklund transformations. We suggest calling such models the JP-systems. For example, a Jordan algebra <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>J</mi><msub><mrow></mrow><mrow><mi>Mat</mi><mo>(</mo><mi>N</mi><mo>,</mo><mi>N</mi><mo>)</mo></mrow></msub></msub></semantics></math></inline-formula> with the Jordan product in the form of a semi-anticommutator is shown to generate an integrable matrix generalization of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>P</mi><mn>2</mn></msub></semantics></math></inline-formula>, whereas the <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>V</mi><msub><mrow></mrow><mi>N</mi></msub></msub></semantics></math></inline-formula> algebra produces a different JP-system that serves as a generalization of the Sokolov’s form of a vectorial NLS.
format article
author Artyom V. Yurov
Valerian A. Yurov
author_facet Artyom V. Yurov
Valerian A. Yurov
author_sort Artyom V. Yurov
title On the Question of the Bäcklund Transformations and Jordan Generalizations of the Second Painlevé Equation
title_short On the Question of the Bäcklund Transformations and Jordan Generalizations of the Second Painlevé Equation
title_full On the Question of the Bäcklund Transformations and Jordan Generalizations of the Second Painlevé Equation
title_fullStr On the Question of the Bäcklund Transformations and Jordan Generalizations of the Second Painlevé Equation
title_full_unstemmed On the Question of the Bäcklund Transformations and Jordan Generalizations of the Second Painlevé Equation
title_sort on the question of the bäcklund transformations and jordan generalizations of the second painlevé equation
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/11557ea5b95c4311a6ab51a3236fd972
work_keys_str_mv AT artyomvyurov onthequestionofthebacklundtransformationsandjordangeneralizationsofthesecondpainleveequation
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