3 papers
math.AP2026
The obstacle problem for singular quasi-linear elliptic equations
Annamaria Barbagallo, Umberto Guarnotta
Existence of solutions to an obstacle -Laplacian problem exhibiting a singular, discontinuous reaction is proved. The reaction term may be discontinuous in a Lebesgue-negligible…
math.OC2020
On Lagrange duality theory for dynamics vaccination games
Annamaria BArbagallo, Maria Alessandra Ragusa
The authors study an infinite dimensional duality theory finalized to obtain the existence of a strong duality between a convex optimization problem connected with the management o…
math.AP2020
On the regularity of weak solutions of the Boussinesq equations in Besov spaces Dedicated to Enrique Zuazua on the occasion of his sixtieth birthday
A. Barbagallo, S. Gala, M. A. Ragusa +1
The main issue addressed in this paper concerns an extension of a result by Z. Zhang who proved, in the context of the homogeneous Besov space $\dot{B}_{\infty ,\infty }^{-1}(\math…