Harmonic Riemannian submersions between Riemannian symmetric spaces of noncompact type

Fuente: arXiv
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Main Author: Burstall, F. E.
Format: Preprint
Published: 2024
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author Burstall, F. E.
author_facet Burstall, F. E.
contents We construct harmonic Riemannian submersions that are retractions from symmetric spaces of noncompact type onto their rank-one totally geodesic subspaces. Among the consequences, we prove the existence of a non-constant, globally defined complex-valued harmonic morphism from the Riemannian symmetric space associated to a split real semisimple Lie group. This completes an affirmative proof of a conjecture of Gudmundsson.
format Preprint
id arxiv_https___arxiv_org_abs_2404_08596
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Harmonic Riemannian submersions between Riemannian symmetric spaces of noncompact type
Burstall, F. E.
Differential Geometry
58E20 (Primary), 53C35 (Secondary)
We construct harmonic Riemannian submersions that are retractions from symmetric spaces of noncompact type onto their rank-one totally geodesic subspaces. Among the consequences, we prove the existence of a non-constant, globally defined complex-valued harmonic morphism from the Riemannian symmetric space associated to a split real semisimple Lie group. This completes an affirmative proof of a conjecture of Gudmundsson.
title Harmonic Riemannian submersions between Riemannian symmetric spaces of noncompact type
topic Differential Geometry
58E20 (Primary), 53C35 (Secondary)
url https://arxiv.org/abs/2404.08596