English

Geodesic Completeness for Sobolev $H^{s}$-metrics on the Diffeomorphisms Group of the Circle

Mathematical Physics 2019-01-03 v2 math.MP

Abstract

We prove that the weak Riemannian metric induced by the fractional Sobolev norm HsH^s on the diffeomorphisms group of the circle is geodesically complete, provided s>3/2s>3/2.

Keywords

Cite

@article{arxiv.1308.3570,
  title  = {Geodesic Completeness for Sobolev $H^{s}$-metrics on the Diffeomorphisms Group of the Circle},
  author = {Joachim Escher and Boris Kolev},
  journal= {arXiv preprint arXiv:1308.3570},
  year   = {2019}
}

Comments

17 pages