English

Areas spanned by point configurations in the plane

Classical Analysis and ODEs 2020-09-01 v1

Abstract

We consider an over-determined Falconer type problem on (k+1)(k+1)-point configurations in the plane using the group action framework introduced in \cite{GroupAction}. We define the area type of a (k+1)(k+1)-point configuration in the plane to be the vector in R(k+12)\R^{\binom{k+1}{2}} with entries given by the areas of parallelograms spanned by each pair of points in the configuration. We show that the space of all area types is 2k12k-1 dimensional, and prove that a compact set ERdE\subset\R^d of sufficiently large Hausdorff dimension determines a positve measure set of area types.

Keywords

Cite

@article{arxiv.2008.13720,
  title  = {Areas spanned by point configurations in the plane},
  author = {Alex McDonald},
  journal= {arXiv preprint arXiv:2008.13720},
  year   = {2020}
}