English

From Symmetry to Monotonicity

Classical Analysis and ODEs 2018-11-26 v2

Abstract

We offer an alternative and shorter proof to a result by Jan J.Ub{\o}e about monotonicity properties of a one-dimensional function that appeared in the Mathematical Intelligencer in 2015. Our proof is based on reducing the problem to symmetry properties of a two-dimensional surface.

Keywords

Cite

@article{arxiv.1712.08415,
  title  = {From Symmetry to Monotonicity},
  author = {Bernd Kawohl and David Krejčiřík},
  journal= {arXiv preprint arXiv:1712.08415},
  year   = {2018}
}

Comments

text slightly re-arranged; version accepted for publication in the Mathematical Intelligencer

R2 v1 2026-06-22T23:27:14.504Z