Paper · Aug 8, 2021

Rigidity of the round cylinders in Ricci shrinkers

Yu Li, Bing Wang

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Abstract

In this paper, we prove that the round cylinders are rigid in the space of Ricci shrinkers. Namely, any Ricci shrinker that is sufficiently close to in the pointed-Gromov-Hausdorff topology must itself be isometric to .

Comments: Revised version, accepted by Journal of Differential Geometry

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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 Rigidity of complex projective spaces in Ricci shrinkers (Yu Li and Wenjia Zhang, 2022)1Li 2022 Heat kernel on Ricci shrinkers (II) (Yu Li and Bing Wang, 2023)3Li 2023 On Kähler Ricci shrinker surfaces (Yu Li and Bing Wang, 2023)5Li 2023 On the rigidity of Ricci shrinkers (Yu Li and Wenjia Zhang, 2023)2Li 2023 Uniqueness of Kähler Ricci shrinkers on toric orbifolds (Yu Li and Wenjia Zhang, 2024)8Li 2024 Non-collapsing of Ricci shrinkers with bounded curvature (Conghan Dong and Yu Li, 2024)6Dong 2024 Gromov-Hausdorff Limits of Noncollapsed Kähler-Ricci Flows and the Geometry of Ricci Shrinkers (Yu Li and Junsheng Zhang, 2026)7Li 2026 On the geometry of asymptotically conical Ricci shrinkers (I): weighted analysis (Yu Li, Longhuan Yan and Wenjia Zhang, 2026)4Li 2026
Closer to the centre: more closely connected. Clockwise from the top: oldest to newest. Ricci flowWider flowsalso connected to each other
  1. Rigidity of complex projective spaces in Ricci shrinkers

    Yu Li and Wenjia Zhang PDF

    Topics Limit spaces & RCD, Stability & uniqueness, Ricci solitons · Same author Yu Li · Shared terms “Ricci shrinkers”, “sufficiently close”, “Gromov Hausdorff”

  2. On the rigidity of Ricci shrinkers

    Yu Li and Wenjia Zhang PDF

    Topics Limit spaces & RCD, Stability & uniqueness, Ricci solitons · Same author Yu Li · Shared terms “Ricci shrinkers”, “Hausdorff topology”, “pointed Gromov”

  3. Heat kernel on Ricci shrinkers (II)

    Yu Li and Bing Wang PDF

    Topics Limit spaces & RCD, Ricci solitons · Same authors Yu Li, Bing Wang · Shared terms “Ricci shrinkers”

  4. On the geometry of asymptotically conical Ricci shrinkers (I): weighted analysis

    Yu Li, Longhuan Yan and Wenjia Zhang PDF

    Topics Limit spaces & RCD, Stability & uniqueness, Ricci solitons · Same author Yu Li · Shared terms “Ricci shrinkers”, “pointed Gromov”, “Gromov Hausdorff”

  5. On Kähler Ricci shrinker surfaces

    Yu Li and Bing Wang PDF

    Topics Ricci solitons · Same authors Yu Li, Bing Wang · Shared terms “Ricci shrinkers”

  6. Non-collapsing of Ricci shrinkers with bounded curvature

    Conghan Dong and Yu Li PDF

    Topics Limit spaces & RCD, Ricci solitons · Same author Yu Li · Shared terms “Ricci shrinkers”

  7. Gromov-Hausdorff Limits of Noncollapsed Kähler-Ricci Flows and the Geometry of Ricci Shrinkers

    Yu Li and Junsheng Zhang PDF

    Topics Limit spaces & RCD, Stability & uniqueness, Ricci solitons · Same author Yu Li · Shared terms “Ricci shrinkers”, “Gromov Hausdorff”, “pointed Gromov”

  8. Uniqueness of Kähler Ricci shrinkers on toric orbifolds

    Yu Li and Wenjia Zhang PDF

    Topics Stability & uniqueness, Ricci solitons · Same author Yu Li · Shared terms “Ricci shrinkers”

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In the guidebook

  1. 6C.11
    Optimal Transport and Ricci CurvatureBook 6C · Nonlinear PDE: Variational and Geometric Methods

    Kantorovich duality, Wasserstein geometry, the heat equation as a gradient flow of entropy, displacement convexity, and Ricci curvature as convexity, from Lott–Sturm–Villani to McCann–Topping and the reduced volume.

  2. 9B.4
    Convergence of ManifoldsBook 9B · Comparison, Convergence and Heat on Manifolds

    Gromov–Hausdorff and Cheeger–Gromov convergence, and the compactness theorem.

  3. 11B.3
    Compactness of Ricci FlowsBook 11B · Solitons, Compactness and Singularities

    Hamilton’s compactness theorem and the missing injectivity radius bound.