A geometry where everything is better than nice
Differential Geometry
2016-03-23 v1
Abstract
We present a riemannian structure on the disk that has a remarkably rich structure. Geodesics are hypocycloids and the (negative of the) laplacian has integer spectrum with multiplicity the Dirichlet divisor function. Eigenfunctions of the laplacian are orthogonal polynomials naturally suited to the analysis of acoustic scattering in layered media.
Cite
@article{arxiv.1603.06622,
title = {A geometry where everything is better than nice},
author = {Larry Bates and Peter Gibson},
journal= {arXiv preprint arXiv:1603.06622},
year = {2016}
}
Comments
6 pages, to appear in Proceedings of the AMS