Sulla maggiorazione esplicita delle derivate seconde per mezzo dei dati nel problema biarmonico
Received: 1 July 1992
Mathematics Subject Classification: 35B45
Abstract An estimate in the L2-norm for the second derivative of biharmonic functions in a domain Ω is considered. If ∂Ω is a circumference, the best constant is computed; if Ω is a general domain a method for determining an explicit estimate is given.