English

A short proof of the existence of master test plans

Functional Analysis 2022-03-08 v1 Metric Geometry

Abstract

The aim of this brief note is to provide a quick and elementary proof of the following known fact: on a metric measure space whose Sobolev space is separable, there exists a test plan that is sufficient to identify the minimal weak upper gradient of every Sobolev function.

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Cite

@article{arxiv.2203.02736,
  title  = {A short proof of the existence of master test plans},
  author = {Enrico Pasqualetto},
  journal= {arXiv preprint arXiv:2203.02736},
  year   = {2022}
}

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5 pages