Keyword: Uniqueness of eigenfunctions

Papers related to keyword:

• L. Brasco - G. Franzina (Kodai Math. J.)
  Convexity properties of Dirichlet integrals and Picone-type inequalities (2014)
• L. Brasco - G. Franzina (Arch. Math.)
  A note on positive eigenfunctions and hidden convexity (2012)