Paper · Jun 14, 2026

On the non-existence of symphonic maps

Ahmed Mohammed Cherif, Kaddour Zegga

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Abstract

In this paper, we study the existence of symphonic maps on compact or complet non-compact Riemannian manifold into Riemannian manifolds admitting a conformal vector field or a non-trivial Ricci solitons.

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Connected papers

The 8 papers on this site closest to this one, judged by the topics they share, the words and phrases in their titles and abstracts, and their authors. They are not its citations, but a map of the work around it. Papers here go back to 2021, plus the canon.

Connected papers This paper in the centre and the 8 papers closest to it around it, in date order clockwise from the top. The closer a paper sits to the centre, the stronger the connection. This paper Clairaut Riemannian maps (Kiran Meena and Akhilesh Yadav, 2021)8Meena 2021 Gradient Ricci solitons carrying a closed conformal vector field (J. F. Siva Filho and R. Sharma, 2021)5Filho 2021 On the Generalised Ricci Solitons and Sasakian Manifolds (Ahmed Mohammed Cherif, Kaddour Zegga and Gherici Beldjilali, 2022)2Cherif 2022 Nature of Some Solitons on Almost coKähler Manifolds and Asymptotically Harmonic Manifolds (Paritosh Ghosh, Hemangi Madhusudan Shah and Arindam Bhattacharyya, 2023)6Ghosh 2023 Clairaut anti-invariant Riemannian maps with Kähler and Ricci soliton structures (Jyoti Yadav and Gauree Shanker, 2024)4Yadav 2024 Ricci Solitons on a family of three dimensional Lorentzian Walker manifolds (A. Diatta, M. Ciss and A. S. Diallo, 2025)7Diatta 2025 On Ricci Solitons and Harmonic Vector Fields in the Thurston Geometry F⁴ (Halima Boukhari, Hadjer Okbani and Ahmed Mohammed Cherif, 2026)1Boukhari 2026 Ricci Solitons on the Lie Group Sol³_(m,n) and Applications (Mohammed El Amine Mekki and Ahmed Mohammed Cherif, 2026)3Mekki 2026
Closer to the centre: more closely connected. Clockwise from the top: oldest to newest. Ricci flowWider flowsalso connected to each other
  1. On Ricci Solitons and Harmonic Vector Fields in the Thurston Geometry

    Halima Boukhari, Hadjer Okbani and Ahmed Mohammed Cherif PDF

    Topics Ricci solitons · Same author Ahmed Mohammed Cherif · Shared terms “vector field”, “compact Riemannian”, “Riemannian manifolds”

  2. On the Generalised Ricci Solitons and Sasakian Manifolds

    Ahmed Mohammed Cherif, Kaddour Zegga and Gherici Beldjilali PDF

    Topics Ricci solitons · Same authors Ahmed Mohammed Cherif, Kaddour Zegga · Shared terms “Riemannian manifolds”

  3. Ricci Solitons on the Lie Group and Applications

    Mohammed El Amine Mekki and Ahmed Mohammed Cherif PDF

    Topics Ricci solitons · Same author Ahmed Mohammed Cherif · Shared terms “vector field”

  4. Clairaut anti-invariant Riemannian maps with Kähler and Ricci soliton structures

    Jyoti Yadav and Gauree Shanker PDF

    Topics Ricci solitons · Shared terms “conformal vector”, “manifold admitting”, “vector field”

  5. Gradient Ricci solitons carrying a closed conformal vector field

    J. F. Siva Filho and R. Sharma PDF

    Topics Ricci solitons · Shared terms “conformal vector”, “vector field”

  6. Ricci Solitons on a family of three dimensional Lorentzian Walker manifolds

    A. Diatta, M. Ciss and A. S. Diallo PDF

    Topics Ricci solitons · Shared terms “trivial Ricci”, “Riemannian manifolds”, “vector field”

  7. Clairaut Riemannian maps

    Kiran Meena and Akhilesh Yadav PDF

    Topics Ricci solitons · Shared terms “Riemannian manifolds”, “vector field”

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Background reading

The guides for the topics of this paper: what each idea is, why it matters, and the papers to read first.

In the guidebook

  1. 11B.1
    Ricci SolitonsBook 11B · Solitons, Compactness and Singularities

    Self-similar solutions: the Gaussian, cylinders, the cigar and the Bryant soliton.

  2. 12B.2
    The Asymptotic Soliton and Three-Dimensional ShrinkersBook 12B · κ-Solutions and Surgery

    Perelman's Proposition 11.2 proved with Morgan and Tian: the reduced-length bounds on κ-solutions, the limit of rescalings, the equality case, and the classification of shrinking solitons in dimensions two and three.