Heisenberg uniqueness pairs and a theore
✍
Per Sjölin
📂
Article
📅
2011
🏛
Elsevier Science
🌐
French
⚖ 102 KB
Let T denote the unit circle in the plane. For various simple sets Λ in the plane we shall study the question whether (T, Λ) is a Heisenberg uniqueness pair. For example, we shall consider the cases where Λ is a circle or a union of two straight lines. We shall also use a theorem of Beurling and Mal