Quadratic Killing tensors on symmetric spaces which are not generated by Killing vector fields

Fuente: arXiv
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Autori principali: Matveev, Vladimir S., Nikolayevsky, Yuri
Natura: Preprint
Pubblicazione: 2023
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author Matveev, Vladimir S.
Nikolayevsky, Yuri
author_facet Matveev, Vladimir S.
Nikolayevsky, Yuri
contents Every Killing tensor field on the space of constant curvature and on the complex projective space can be decomposed into the sum of symmetric tensor products of Killing vector fields (equivalently, every polynomial in the velocities integral of the geodesic flow is a polynomial in the linear integrals). This fact led to the natural question on whether this property is shared by Killing tensor fields on all Riemannian symmetric spaces. We answer this question in the negative by constructing explicit examples of quadratic Killing tensor fields which are not quadratic forms in the Killing vector fields on the quaternionic projective spaces $\mathbb{H} P^n, n \ge 3$, and on the Cayley projective plane $\mathbb{O} P^2$.
format Preprint
id arxiv_https___arxiv_org_abs_2312_16518
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle Quadratic Killing tensors on symmetric spaces which are not generated by Killing vector fields
Matveev, Vladimir S.
Nikolayevsky, Yuri
Differential Geometry
53C35, 53B20 (Primary) 37J30, 37J35, 70H06, 22E46 (Secondary)
Every Killing tensor field on the space of constant curvature and on the complex projective space can be decomposed into the sum of symmetric tensor products of Killing vector fields (equivalently, every polynomial in the velocities integral of the geodesic flow is a polynomial in the linear integrals). This fact led to the natural question on whether this property is shared by Killing tensor fields on all Riemannian symmetric spaces. We answer this question in the negative by constructing explicit examples of quadratic Killing tensor fields which are not quadratic forms in the Killing vector fields on the quaternionic projective spaces $\mathbb{H} P^n, n \ge 3$, and on the Cayley projective plane $\mathbb{O} P^2$.
title Quadratic Killing tensors on symmetric spaces which are not generated by Killing vector fields
topic Differential Geometry
53C35, 53B20 (Primary) 37J30, 37J35, 70H06, 22E46 (Secondary)
url https://arxiv.org/abs/2312.16518