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High order curvature flows of plane curves with generalised Neumann boundary conditions

  • James McCoy ORCID logo EMAIL logo , Glen Wheeler ORCID logo and Yuhan Wu ORCID logo
Published/Copyright: February 5, 2021

Abstract

We consider the parabolic polyharmonic diffusion and the L 2 -gradient flow for the square integral of the m-th arclength derivative of curvature for regular closed curves evolving with generalised Neumann boundary conditions. In the polyharmonic case, we prove that if the curvature of the initial curve is small in L 2 , then the evolving curve converges exponentially in the C topology to a straight horizontal line segment. The same behaviour is shown for the L 2 -gradient flow provided the energy of the initial curve is sufficiently small. In each case the smallness conditions depend only on m.

MSC 2010: 53C44

Communicated by Guofang Wang


Award Identifier / Grant number: DP180100431

Funding statement: The research of the first author was supported by Discovery Project DP180100431 of the Australian Research Council. Part of this work was completed while the first author was a Visiting Professor at the Okinawa Institute for Science and Technology. The research of the third author was supported by a University of Wollongong Faculty of Engineering and Information Sciences Postgraduate research scholarship.

Acknowledgements

The authors are grateful to the anonymous referees whose comments have led to improvements in this article. They are also grateful for the support listed below.

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Received: 2020-01-16
Revised: 2020-11-19
Accepted: 2021-01-25
Published Online: 2021-02-05
Published in Print: 2022-07-01

© 2021 Walter de Gruyter GmbH, Berlin/Boston

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