A fractional Yamabe flow and some applications

By Tianling Jin, Jingang Xiong. 2011

71 citations recorded by the source corpus.

We introduce a fractional Yamabe flow involving nonlocal conformally invariant operators on the conformal infinity of asymptotically hyperbolic manifolds, and show that on the conformal spheres $(\Sn, [g_{\Sn}])$, it converges to the standard sphere up to a M\"obius diffeomorphism. This result allows us to obtain extinction profiles of solutions of some fractional porous medium equations. In the end, we use this fractional fast diffusion equation, together with its extinction profile and some estimates of its extinction time, to improve a Sobolev inequality via a quantitative estimate of the remainder term.

Subfields: Applied Mathematics, Computational Theory and Mathematics

View Paper: https://www.semanticscholar.org/paper/4a2d88eaed7fe1eed2b167d7bf7c081f7cecce5f

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In Applied Mathematics

  1. Rupert L. Frank
  2. Shibing Chen
  3. Tobias Weth
  4. Jean Van Schaftingen
  5. X. Tang
  6. M. Fall
  7. Mihai Marics
  8. Bartłomiej Dyda

In Computational Theory and Mathematics

  1. Rupert L. Frank
  2. Shibing Chen
  3. Tobias Weth
  4. Jean Van Schaftingen
  5. X. Tang
  6. Mihai Marics
  7. Wei Shuai
  8. M. Fall

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