English

Tube-measurability

Classical Analysis and ODEs 2007-05-23 v1

Abstract

Define an outer measure on R^n by taking the infimum, over all covers of the set by tubes, of the sum of the cross-sectional areas of the tubes. We show that the only measurable sets for this outer measure are its null sets and their complements.

Keywords

Cite

@article{arxiv.math/0703807,
  title  = {Tube-measurability},
  author = {Marianna Csörnyei and Laura Wisewell},
  journal= {arXiv preprint arXiv:math/0703807},
  year   = {2007}
}

Comments

4 pages