Keyword: eigenvalue estimates

Papers related to keyword:

• F. Bianchi - L. Brasco (Accepted Paper: J. London Math. Soc.)
  An optimal lower bound in fractional spectral geometry for planar sets with topological constraints (2023)
• F. Bianchi - L. Brasco - R. Ognibene (J. Convex Anal.)
  On the spectrum of sets made of cores and tubes (2023)