Are Orthogonal Separable Coordinates Really Classified?

We prove that the set of orthogonal separable coordinates on an arbitrary (pseudo-)Riemannian manifold carries a natural structure of a projective variety, equipped with an action of the isometry group. This leads us to propose a new, algebraic geometric approach to the classification of orthogonal...

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Опубліковано в: :Symmetry, Integrability and Geometry: Methods and Applications
Дата:2016
Автор: Schöbel, K.
Формат: Стаття
Мова:Англійська
Опубліковано: Інститут математики НАН України 2016
Онлайн доступ:https://nasplib.isofts.kiev.ua/handle/123456789/147741
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Цитувати:Are Orthogonal Separable Coordinates Really Classified? / K. Schöbel // Symmetry, Integrability and Geometry: Methods and Applications. — 2016. — Т. 12. — Бібліогр.: 36 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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author Schöbel, K.
author_facet Schöbel, K.
citation_txt Are Orthogonal Separable Coordinates Really Classified? / K. Schöbel // Symmetry, Integrability and Geometry: Methods and Applications. — 2016. — Т. 12. — Бібліогр.: 36 назв. — англ.
collection DSpace DC
container_title Symmetry, Integrability and Geometry: Methods and Applications
description We prove that the set of orthogonal separable coordinates on an arbitrary (pseudo-)Riemannian manifold carries a natural structure of a projective variety, equipped with an action of the isometry group. This leads us to propose a new, algebraic geometric approach to the classification of orthogonal separable coordinates by studying the structure of this variety. We give an example where this approach reveals unexpected structure in the well known classification and pose a number of problems arising naturally in this context.
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spelling Schöbel, K.
2019-02-15T18:59:16Z
2019-02-15T18:59:16Z
2016
Are Orthogonal Separable Coordinates Really Classified? / K. Schöbel // Symmetry, Integrability and Geometry: Methods and Applications. — 2016. — Т. 12. — Бібліогр.: 36 назв. — англ.
1815-0659
2010 Mathematics Subject Classification: 14H70; 53A60; 58D27
DOI:10.3842/SIGMA.2016.041
https://nasplib.isofts.kiev.ua/handle/123456789/147741
We prove that the set of orthogonal separable coordinates on an arbitrary (pseudo-)Riemannian manifold carries a natural structure of a projective variety, equipped with an action of the isometry group. This leads us to propose a new, algebraic geometric approach to the classification of orthogonal separable coordinates by studying the structure of this variety. We give an example where this approach reveals unexpected structure in the well known classification and pose a number of problems arising naturally in this context.
This paper is a contribution to the Special Issue on Analytical Mechanics and Dif ferential Geometry in honour
 of Sergio Benenti. The full collection is available at http://www.emis.de/journals/SIGMA/Benenti.html.
 This notice is based on a talk held at the workshop “Analytical Mechanics and Dif ferential
 Geometry” at the Universit`a di Torino on 12th and 13th March 2015 on the occasion of Sergio
 Benenti’s 70th birthday. The author would like to thank the organisers, Claudia Chanu and
 Giovanni Rastelli, for their kind invitation and hospitality, as well as Willard Miller for valuable
 discussions on the subject.
en
Інститут математики НАН України
Symmetry, Integrability and Geometry: Methods and Applications
Are Orthogonal Separable Coordinates Really Classified?
Article
published earlier
spellingShingle Are Orthogonal Separable Coordinates Really Classified?
Schöbel, K.
title Are Orthogonal Separable Coordinates Really Classified?
title_full Are Orthogonal Separable Coordinates Really Classified?
title_fullStr Are Orthogonal Separable Coordinates Really Classified?
title_full_unstemmed Are Orthogonal Separable Coordinates Really Classified?
title_short Are Orthogonal Separable Coordinates Really Classified?
title_sort are orthogonal separable coordinates really classified?
url https://nasplib.isofts.kiev.ua/handle/123456789/147741
work_keys_str_mv AT schobelk areorthogonalseparablecoordinatesreallyclassified