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math.DS2025
Bifurcation from periodic solutions of central force problems in the three-dimensional space
Alberto Boscaggin, Guglielmo Feltrin, Duccio Papini
The paper deals with electromagnetic perturbations of a central force problem of the form \begin{equation*} \dfrac{\mathrm{d}}{\mathrm{d}t} \bigl( φ(\dot{x}) \bigr) = V'(|x|) \dfra…
math.AP2025
An Orlicz space approach to exponential elliptic problems in higher dimensions
Alberto Boscaggin, Francesca Colasuonno, Benedetta Noris +1
We consider semilinear elliptic problems of the form \[ -Δu + λu = f(x,u), \quad u\in H^1_0(A), \] where , , is either a bounded or unbounded annulus,…