@article{Dittberner2021-08Curve-53451,
  year={2021},
  doi={10.1007/s12220-020-00600-1},
  title={Curve Flows with a Global Forcing Term},
  number={8},
  volume={31},
  issn={1050-6926},
  journal={The Journal of Geometric Analysis},
  pages={8414--8459},
  author={Dittberner, Friederike}
}

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    <dcterms:abstract xml:lang="eng">We consider embedded, smooth curves in the plane which are either closed or asymptotic to two lines. We study their behaviour under curve shortening flow with a global forcing term. We prove an analogue to Huisken’s distance comparison principle for curve shortening flow for initial curves whose local total curvature does not lie below −π and show that this condition is sharp. With that, we can exclude singularities in finite time for bounded forcing terms. For immortal flows of closed curves whose forcing terms provide non-vanishing enclosed area and bounded length, we show convexity in finite time and smooth and exponential convergence to a circle. In particular, all of the above holds for the area preserving curve shortening flow.</dcterms:abstract>
    <dc:creator>Dittberner, Friederike</dc:creator>
    <dc:contributor>Dittberner, Friederike</dc:contributor>
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    <dcterms:issued>2021-08</dcterms:issued>
    <dcterms:title>Curve Flows with a Global Forcing Term</dcterms:title>
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