English

Gronwall's conjecture for 3-webs with infinitesimal symmetries

Differential Geometry 2019-03-05 v2

Abstract

We study non-flat planar 3-webs with infinitesimal symmetries. Using multi-dimensional Schwarzian derivative we give a criterion for linearization of such webs and present a projective classification thereof. Using this classification we show that the Gronwall conjecture is true for 3-webs admitting infinitesimal symmetries.

Keywords

Cite

@article{arxiv.1411.0874,
  title  = {Gronwall's conjecture for 3-webs with infinitesimal symmetries},
  author = {Sergey I. Agafonov},
  journal= {arXiv preprint arXiv:1411.0874},
  year   = {2019}
}

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20 pages