Weak Gauge PDEs

Gauge PDEs generalise the AKSZ construction when dealing with generic local gauge theories. Despite being very flexible and invariant, these geometrical objects are usually infinite-dimensional and are difficult to define explicitly, just like standard infinitely-prolonged PDEs. We propose a notion...

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Veröffentlicht in:Symmetry, Integrability and Geometry: Methods and Applications
Datum:2025
Hauptverfasser: Grigoriev, Maxim, Rudinsky, Dmitry
Format: Artikel
Sprache:Englisch
Veröffentlicht: Інститут математики НАН України 2025
Online Zugang:https://nasplib.isofts.kiev.ua/handle/123456789/214187
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Zitieren:Weak Gauge PDEs. Maxim Grigoriev and Dmitry Rudinsky. SIGMA 21 (2025), 096, 22 pages

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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author Grigoriev, Maxim
Rudinsky, Dmitry
author_facet Grigoriev, Maxim
Rudinsky, Dmitry
citation_txt Weak Gauge PDEs. Maxim Grigoriev and Dmitry Rudinsky. SIGMA 21 (2025), 096, 22 pages
collection DSpace DC
container_title Symmetry, Integrability and Geometry: Methods and Applications
description Gauge PDEs generalise the AKSZ construction when dealing with generic local gauge theories. Despite being very flexible and invariant, these geometrical objects are usually infinite-dimensional and are difficult to define explicitly, just like standard infinitely-prolonged PDEs. We propose a notion of a weak gauge PDE in which the nilpotency of the BRST differential is relaxed in a controllable way. In this approach, a nontopological local gauge theory can be described in terms of a finite-dimensional geometrical object. Moreover, among the equivalent weak gauge PDEs describing a given system, a minimal one can usually be found and is unique in a certain sense. In the case of a Lagrangian system, the respective weak gauge PDE naturally arises from its weak presymplectic formulation. We prove that any weak gauge PDE determines the standard jet-bundle Batalin-Vilkovisky formulation of the underlying gauge theory, giving an unambiguous physical interpretation of these objects. The formalism is illustrated by a few examples, including the non-Lagrangian self-dual Yang-Mills theory and a finite jet bundle. We also discuss possible applications of the approach to the characterisation of those infinite-dimensional gauge PDEs that correspond to local theories.
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publisher Інститут математики НАН України
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spelling Grigoriev, Maxim
Rudinsky, Dmitry
2026-02-20T07:58:36Z
2025
Weak Gauge PDEs. Maxim Grigoriev and Dmitry Rudinsky. SIGMA 21 (2025), 096, 22 pages
1815-0659
2020 Mathematics Subject Classification: 35B06; 58A50; 37K06; 81T70; 70S15
arXiv:2408.08287
https://nasplib.isofts.kiev.ua/handle/123456789/214187
https://doi.org/10.3842/SIGMA.2025.096
Gauge PDEs generalise the AKSZ construction when dealing with generic local gauge theories. Despite being very flexible and invariant, these geometrical objects are usually infinite-dimensional and are difficult to define explicitly, just like standard infinitely-prolonged PDEs. We propose a notion of a weak gauge PDE in which the nilpotency of the BRST differential is relaxed in a controllable way. In this approach, a nontopological local gauge theory can be described in terms of a finite-dimensional geometrical object. Moreover, among the equivalent weak gauge PDEs describing a given system, a minimal one can usually be found and is unique in a certain sense. In the case of a Lagrangian system, the respective weak gauge PDE naturally arises from its weak presymplectic formulation. We prove that any weak gauge PDE determines the standard jet-bundle Batalin-Vilkovisky formulation of the underlying gauge theory, giving an unambiguous physical interpretation of these objects. The formalism is illustrated by a few examples, including the non-Lagrangian self-dual Yang-Mills theory and a finite jet bundle. We also discuss possible applications of the approach to the characterisation of those infinite-dimensional gauge PDEs that correspond to local theories.
We wish to thank K. Druzhkov, I. Krasil’shchik, A. Mamekin, M. Markov, A. Verbovetsky, and especially I. Dneprov and A. Kotov for fruitful discussions. The authors are also grateful to the anonymous referees for their valuable suggestions and comments that helped to improve the manuscript. Maxim Grigoriev, supported by the ULYSSE Incentive Grant for Mobility in Scientific Research [MISU] F.6003.24, F.R.S.-FNRS, Belgium, also at Lebedev Physical Institute and Institute for Theoretical and Mathematical Physics, Lomonosov MSU.
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Інститут математики НАН України
Symmetry, Integrability and Geometry: Methods and Applications
Weak Gauge PDEs
Article
published earlier
spellingShingle Weak Gauge PDEs
Grigoriev, Maxim
Rudinsky, Dmitry
title Weak Gauge PDEs
title_full Weak Gauge PDEs
title_fullStr Weak Gauge PDEs
title_full_unstemmed Weak Gauge PDEs
title_short Weak Gauge PDEs
title_sort weak gauge pdes
url https://nasplib.isofts.kiev.ua/handle/123456789/214187
work_keys_str_mv AT grigorievmaxim weakgaugepdes
AT rudinskydmitry weakgaugepdes