Delaunay type domains for an overdetermined elliptic problem in ${𝕊}^n\times ℝ$ and ${ℍ}^n\times ℝ$

Morabito, Filippo; Sicbaldi, Pieralberto

ESAIM: Control, Optimisation and Calculus of Variations, Volume 22 (2016) p. 1-28

Extremal domains of big volume for the first eigenvalue of the Laplace–Beltrami operator in a compact manifold

Sicbaldi, Pieralberto

Annales de l'I.H.P. Analyse non linéaire, Volume 31 (2014) p. 1231-1265

Extremal domains for the first eigenvalue of the Laplace-Beltrami operator

Pacard, Frank; Sicbaldi, Pieralberto

Annales de l'Institut Fourier, Volume 59 (2009) p. 515-542