2 papers
math.FA2017
Three problems on exponential bases
Laura De Carli, Alberto Mizrahi, Alexander Tepper
We consider three special and significant cases of the following problem. Let D be a (possibly unbounded) set of finite Lebesgue measure in R^d. Find conditions on D for which the…
math.FA2016
Exponential bases on triangular domains
Laura De Carli, Alberto Mizrahi
We construct explicit exponential bases on triangles in R^2 and on infinite unions of segments on the real line.