@techreport{c17904baf4f84f05ab0be245dfa36185,
title = "Decay of eigenfunctions of elliptic PDE's",
abstract = "We study exponential decay of eigenfunctions of self-adjoint higher order elliptic operators on Rd. We show that the possible critical decay rates are determined algebraically. In addition we show absence of super-exponentially decaying eigenfunctions and a refined exponential upper bound.",
keywords = "eigenfunctions, exponential decay, microlocal analysis, combinatorics",
author = "Ira Herbst and Erik Skibsted",
year = "2013",
language = "English",
series = "Preprints",
publisher = "Department of Mathematics, Aarhus University",
number = "3",
type = "WorkingPaper",
institution = "Department of Mathematics, Aarhus University",
}