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The approach, referred to as "monodromy transform", provides some general base for solution of all known integrable space - time symmetry reductions of Einstein equations for the case of pure vacuum gravitational fields, in the presence of…

General Relativity and Quantum Cosmology · Physics 2007-05-23 G. A. Alekseev

A monodromy transform approach, presented in this communication, provides a general base for solution of space-time symmetry reductions of Einstein equations in all known integrable cases, which include vacuum, electrovacuum, massless Weyl…

General Relativity and Quantum Cosmology · Physics 2016-11-23 G. A. Alekseev

A new development of the ``monodromy transform'' method for analysis of hyperbolic as well as elliptic integrable reductions of Einstein equations is presented. Compatibility conditions for some alternative representations of the…

General Relativity and Quantum Cosmology · Physics 2008-11-26 G. A. Alekseev

We apply the algebraic quantization programme proposed by Ashtekar to the analysis of the Belinski\v{\i}-Zakharov classical spacetimes, obtained from the Kasner metrics by means of a generalized soliton transformation. When the solitonic…

General Relativity and Quantum Cosmology · Physics 2010-11-01 Nenad Manojlovic , Guillermo A. Mena Marugan

We apply the inverse scattering method to the midi-superspace models that are characterized by a two-parameter Abelian group of motions with two spacelike Killing vectors. We present a formulation that simplifies the construction of the…

General Relativity and Quantum Cosmology · Physics 2010-11-01 Nenad Manojlović , Bill Spence

For the fields depending on two of the four space-time coordinates only, the spaces of local solutions of various integrable reductions of Einstein's field equations are shown to be the subspaces of the spaces of local solutions of the…

General Relativity and Quantum Cosmology · Physics 2008-11-26 G. A. Alekseev

Applying the Pomeransky inverse scattering method to the four-dimensional vacuum Einstein equations and using the Levi-Civita solution as a seed, we construct a two-soliton solution with cylindrical symmetry. In our previous work, we…

General Relativity and Quantum Cosmology · Physics 2016-09-05 Takahisa Igata , Shinya Tomizawa

A new method of construction of integral varieties of Einstein equations in three dimensional (3D) and 4D gravity is presented whereby, under corresponding redefinition of physical values with respect to anholonomic frames of reference with…

General Relativity and Quantum Cosmology · Physics 2010-02-03 Sergiu I. Vacaru

The solution generating methods discovered earlier for integrable reductions of Einstein's and Einstein - Maxwell field equations (such as soliton generating techniques, B$\ddot{a}$cklund or symmetry transformations and other…

General Relativity and Quantum Cosmology · Physics 2025-12-22 G. A. Alekseev

The monodromy transform and corresponding integral equation method described here give rise to a general systematic approach for solving integrable reductions of field equations for gravity coupled bosonic dynamics in string gravity and…

High Energy Physics - Theory · Physics 2013-12-19 G. A. Alekseev

We consider the vacuum Einstein field equations under the Belinski-Zakharov symmetry, which leaves the problem as a 1+1-dimensional quasilinear system of PDEs. Depending on the chosen signature of the metric, these spacetimes contain most…

Analysis of PDEs · Mathematics 2026-02-16 Claudio Muñoz , Jessica Trespalacios

Applications of the monodromy transform approach to construction of exact solutions of electrovacuum Einstein - Maxwell field equations are considered. Examples of new solutions are given.

General Relativity and Quantum Cosmology · Physics 2014-11-18 G. A. Alekseev

A brief sketch of the formulation of the monodromy transform approach and corresponding integral equation methods as well as of various applications of this approach for solution of integrable symmetry reductions of Einstein's field…

General Relativity and Quantum Cosmology · Physics 2016-11-15 G. A. Alekseev

We study stationary and axially symmetric two solitonic solutions of five dimensional vacuum Einstein equations by using the inverse scattering method developed by Belinski and Zakharov. In this generation of the solutions, we use five…

High Energy Physics - Theory · Physics 2009-11-11 Shinya Tomizawa , Yoshiyuki Morisawa , Yukinori Yasui

More than thirty years passed since the first discoveries of various aspects of integrability of the symmetry reduced vacuum Einstein equations and electrovacuum Einstein - Maxwell equations were made and gave rise to constructions of…

General Relativity and Quantum Cosmology · Physics 2015-11-13 G. A. Alekseev

Applying the Pomeransky inverse scattering method to the four-dimensional vacuum Einstein equation and using the Levi-Civita solution for a seed, we construct a cylindrically symmetric single-soliton solution. Although the Levi-Civita…

General Relativity and Quantum Cosmology · Physics 2015-04-08 Takahisa Igata , Shinya Tomizawa

We construct semiglobal singular spacetimes for the Einstein equations coupled to a massless scalar field. Consistent with the heuristic analysis of Belinskii, Khalatnikov, Lifshitz or BKL for this system, there are no oscillations due to…

Mathematical Physics · Physics 2020-05-08 Andrea Nützi , Michael Reiterer , Eugene Trubowitz

The purpose of this paper is to demonstrate a new method of generating exact solutions to the Einstein's equations obtained by the Hamiltonian reduction. The key element to the successful Hamiltonian reduction is finding the privileged…

General Relativity and Quantum Cosmology · Physics 2016-12-19 Seung Hun Oh , Kyoungtae Kimm , Yongmin Cho , Jong Hyuk Yoon

We present a method for generating exact interior solutions of Einstein's equations in the case of static and axially symmetric perfect-fluid spacetimes. The method is based upon a transformation that involves the metric functions as well…

General Relativity and Quantum Cosmology · Physics 2015-06-11 Hernando Quevedo , Saken Toktarbay

We present a simple method to obtain vacuum solutions of Einstein's equations in parabolic coordinates starting from ones with cylindrical symmetries. Furthermore, a generalization of the method to a more general situation is given together…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Stefano Viaggiu
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