Non-existence of rational arc length parameterizations for curves in Rn

作者:

Highlights:

摘要

We show, as a generalization of prior results for R2 and R3, that for all n≥2 the only curves in Rn with rational arc length parameterizations are straight lines.

论文关键词:Arc length,Rational curves,Natural parameterization,Pythagorean equation,Integration of rational functions,Residues

论文评审过程:Received 7 May 2008, Revised 15 August 2008, Available online 27 September 2008.

论文官网地址:https://doi.org/10.1016/j.cam.2008.09.022