Paper · Sep 21, 2026

Shrinking Kähler-Ricci solitons on toric fano fibrations

Tristan C. Collins, Genggeng Huang, Freid Tong, Yulun Xu

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Abstract

We prove that a smooth toric Fano fibration admits a complete gradient shrinking Kähler-Ricci soliton.

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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 On Kähler-Einstein Currents (Yifan Chen, Shih-Kai Chiu, Max Hallgren et al., 2025)5Chen 2025 Uniqueness of asymptotically conical shrinking gradient Kähler-Ricci solitons (Carlos Esparza, 2025)7Esparza 2025 Shrinking gradient Kähler-Ricci solitons are simply-connected (Carlos Esparza, 2025)1Esparza 2025 On Sun-Zhang's theory of Fano fibrations – weighted volumes, moduli and bubbling Fano fibrations (Yuji Odaka, 2025)2Odaka 2025 On a general class of free boundary Monge-Ampère equations (Tristan C. Collins and Benjy Firester, 2025)4Collins 2025 Singular Kähler–Ricci shrinkers and polarized Fano fibrations (Max Hallgren and Junsheng Zhang, 2026)6Hallgren 2026 Compactness and Rigidity of Complete Kähler Ricci Shrinkers (Tongxin Xu and Zhenlei Zhang, 2026)8Xu 2026 Convergence of Generalized Kähler–Ricci Flow on Toric Fano Manifolds (Liding Huang and Xiaohua Zhu, 2026)3Huang 2026
Closer to the centre: more closely connected. Clockwise from the top: oldest to newest. Ricci flowWider flowsalso connected to each other
  1. Shrinking gradient Kähler-Ricci solitons are simply-connected

    Carlos Esparza PDF

    Topics Analytic minimal model program, Kähler–Ricci solitons, Kähler geometry · Shared terms “shrinking Kähler”, “Fano fibration”

  2. On Sun-Zhang's theory of Fano fibrations – weighted volumes, moduli and bubbling Fano fibrations

    Yuji Odaka PDF

    Topics Analytic minimal model program, Kähler–Ricci solitons, Kähler geometry · Shared terms “Fano fibration”

  3. Convergence of Generalized Kähler–Ricci Flow on Toric Fano Manifolds

    Liding Huang and Xiaohua Zhu PDF

    Topics Kähler–Ricci solitons, Kähler geometry, Ricci solitons · Shared terms “toric Fano”

  4. On a general class of free boundary Monge-Ampère equations

    Tristan C. Collins and Benjy Firester PDF

    Topics Kähler–Ricci solitons, Kähler geometry, Ricci solitons · Same author Tristan C. Collins · Shared terms “toric Fano”

  5. On Kähler-Einstein Currents

    Yifan Chen, Shih-Kai Chiu, Max Hallgren et al. PDF

    Topics Analytic minimal model program, Kähler–Ricci solitons, Kähler geometry · Same author Freid Tong

  6. Singular Kähler–Ricci shrinkers and polarized Fano fibrations

    Max Hallgren and Junsheng Zhang PDF

    Topics Analytic minimal model program, Kähler geometry, Ricci solitons · Shared terms “Fano fibration”

  7. Uniqueness of asymptotically conical shrinking gradient Kähler-Ricci solitons

    Carlos Esparza PDF

    Topics Analytic minimal model program, Kähler–Ricci solitons, Kähler geometry · Shared terms “Fano fibration”

  8. Compactness and Rigidity of Complete Kähler Ricci Shrinkers

    Tongxin Xu and Zhenlei Zhang PDF

    Topics Analytic minimal model program, Kähler geometry, Ricci solitons · Shared terms “Fano fibration”

Read around it

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.