Paper · May 4, 2023

Propagation of symmetries for Ricci shrinkers

Tobias Holck Colding, William P. Minicozzi

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Abstract

We will show that if a gradient shrinking Ricci soliton has an approximate symmetry on one scale, this symmetry propagates to larger scales. This is an example of the shrinker principle which roughly states that information radiates outwards for shrinking 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 Optimal growth bounds for eigenfunctions (Tobias Holck Colding and William P. Minicozzi, 2021)3Colding 2021 Singularities of Ricci flow and diffeomorphisms (Tobias Holck Colding and William P. Minicozzi, 2021)1Colding 2021 Singularities and diffeomorphisms (Tobias Holck Colding and William P. Minicozzi, 2022)4Colding 2022 Eigenvalue lower bounds and splitting for modified Ricci flow (Tobias Holck Colding and William P. Minicozzi, 2023)5Colding 2023 A strong Frankel Theorem for shrinkers (Tobias Holck Colding and William P. Minicozzi, 2023)2Colding 2023 Backward propagation of warped product structures and asymptotically conical shrinkers (Brett Kotschwar, 2023)8Kotschwar 2023 Quantitative uniqueness for mean curvature flow (Tobias Holck Colding and William P. Minicozzi, 2025)7Colding 2025 Distance between minimal surfaces and flows (Tobias Holck Colding and William P. Minicozzi, 2026)6Colding 2026
Closer to the centre: more closely connected. Clockwise from the top: oldest to newest. Ricci flowWider flowsalso connected to each other
  1. Singularities of Ricci flow and diffeomorphisms

    Tobias Holck Colding and William P. Minicozzi PDF

    Topics Ricci solitons · Same authors Tobias Holck Colding, William P. Minicozzi · Shared terms “shrinker principle”, “propagation”

  2. A strong Frankel Theorem for shrinkers

    Tobias Holck Colding and William P. Minicozzi PDF

    Topics Ricci solitons · Same authors Tobias Holck Colding, William P. Minicozzi

  3. Optimal growth bounds for eigenfunctions

    Tobias Holck Colding and William P. Minicozzi PDF

    Topics Ricci solitons · Same authors Tobias Holck Colding, William P. Minicozzi · Shared terms “propagation”, “approximate”

  4. Singularities and diffeomorphisms

    Tobias Holck Colding and William P. Minicozzi PDF

    Same authors Tobias Holck Colding, William P. Minicozzi

  5. Distance between minimal surfaces and flows

    Tobias Holck Colding and William P. MinicozziWider flows PDF

    Same authors Tobias Holck Colding, William P. Minicozzi · Shared terms “information”

  6. Quantitative uniqueness for mean curvature flow

    Tobias Holck Colding and William P. MinicozziWider flows PDF

    Same authors Tobias Holck Colding, William P. Minicozzi

  7. Backward propagation of warped product structures and asymptotically conical shrinkers

    Brett Kotschwar PDF

    Topics Ricci solitons · Shared terms “propagation”, “propagates”, “shrinking solitons”

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.