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Transactions of the American Mathematical Society

Published by the American Mathematical Society since 1900, Transactions of the American Mathematical Society is devoted to longer research articles in all areas of pure and applied mathematics.

ISSN 1088-6850 (online) ISSN 0002-9947 (print)

The 2020 MCQ for Transactions of the American Mathematical Society is 1.48.

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Hamiltonian stationary cones and self-similar solutions in higher dimension
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by Yng-Ing Lee and Mu-Tao Wang PDF
Trans. Amer. Math. Soc. 362 (2010), 1491-1503 Request permission

Abstract:

In an upcoming paper by Lee and Wang, we construct examples of two-dimensional Hamiltonian stationary self-shrinkers and self-expanders for Lagrangian mean curvature flows, which are asymptotic to the union of two Schoen-Wolfson cones. These self-shrinkers and self-expanders can be glued together to yield solutions of the Brakke flow - a weak formulation of the mean curvature flow. Moreover, there is no mass loss along the Brakke flow. In this paper, we generalize these results to higher dimensions. We construct new higher-dimensional Hamiltonian stationary cones of different topology as generalizations of the Schoen-Wolfson cones. Hamiltonian stationary self-shrinkers and self-expanders that are asymptotic to these Hamiltonian stationary cones are constructed as well. They can also be glued together to produce eternal solutions of the Brakke flow without mass loss. Finally, we show that the same conclusion holds for those Lagrangian self-similar examples recently found by Joyce, Tsui and the first author.
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Additional Information
  • Yng-Ing Lee
  • Affiliation: Department of Mathematics and Taida Institute for Mathematical Sciences, National Taiwan University, Taipei, Taiwan – and – National Center for Theoretical Sciences, Taipei Office, Old Mathematics Building, National Taiwan University, Taipei 10617, Taiwan
  • Email: yilee@math.ntu.edu.tw
  • Mu-Tao Wang
  • Affiliation: Department of Mathematics, Columbia University, New York, New York 10027
  • MR Author ID: 626881
  • Email: mtwang@math.columbia.edu
  • Received by editor(s): February 12, 2008
  • Published electronically: July 17, 2009
  • Additional Notes: The first author would like to thank R. Schoen for helpful discussions and hospitality during her visit at Stanford University. The first author was supported by Taiwan NSC grant 96-2628-M-002.
    The second author wishes to thank the support of the Taida Institute for Mathematical Sciences during the preparation of this article. The second author was supported by NSF grant DMS0605115 and a Sloan research fellowship.
  • © Copyright 2009 American Mathematical Society
  • Journal: Trans. Amer. Math. Soc. 362 (2010), 1491-1503
  • MSC (2000): Primary 53C44, 53D12; Secondary 58J35
  • DOI: https://doi.org/10.1090/S0002-9947-09-04795-3
  • MathSciNet review: 2563738