English

How close are pth powers in the Nottingham group?

Group Theory 2007-05-23 v2

Abstract

Let F be a field of characteristic p > 0 and let g, h be elements of the Nottingham group N(F) such that g has depth k and gh^{-1} has depth n >= k. We find the best possible lower bound for the depth of g^ph^{-p}.

Cite

@article{arxiv.math/0207273,
  title  = {How close are pth powers in the Nottingham group?},
  author = {Kevin Keating},
  journal= {arXiv preprint arXiv:math/0207273},
  year   = {2007}
}

Comments

15 pages, LaTeX. Submitted to Journal of Algebra