Curves and surfaces with constant nonlocal mean curvature: Meeting Alexandrov and Delaunay

By X. Cabré, M. Fall, J. Solà-Morales, Tobias Weth. Journal für die Reine und Angewandte Mathematik, 2015

71 citations recorded by the source corpus.

Abstract We are concerned with hypersurfaces of ℝ N {\mathbb{R}^{N}} with constant nonlocal (or fractional) mean curvature. This is the equation associated to critical points of the fractional perimeter under a volume constraint. Our results are twofold. First we prove the nonlocal analogue of the Alexandrov result characterizing spheres as the only closed embedded hypersurfaces in ℝ N {\mathbb{R}^{N}} with constant mean curvature. Here we use the moving planes method. Our second result establishes the existence of periodic bands or “cylinders” in ℝ 2 {\mathbb{R}^{2}} with constant nonlocal mean curvature and bifurcating from a straight band. These are Delaunay-type bands in the nonlocal setting. Here we use a Lyapunov–Schmidt procedure for a quasilinear type fractional elliptic equation.

Subfields: Applied Mathematics, Computational Theory and Mathematics

View Paper: https://www.semanticscholar.org/paper/0624f4c22b2178f4cbf6376a928aeaecdbba68fe

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In Applied Mathematics

  1. C. Bucur
  2. Lenka Slav'ikov'a
  3. L. Pick
  4. Andrea Cianchi
  5. Enrico Valdinoci
  6. A. Alberico
  7. Vicentiu D. Rădulescu
  8. Giovanni Molica Bisci

In Computational Theory and Mathematics

  1. C. Bucur
  2. Andrea Cianchi
  3. Enrico Valdinoci
  4. A. Alberico
  5. L. Pick
  6. Vicentiu D. Rădulescu
  7. Giovanni Molica Bisci
  8. Raffaella Servadei

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