Dynamics of Singular Systems
Barutello, Vivina; Jadanza, Riccardo D.; Portaluri, Alessandro Morse index and linear stability of the Lagrangian circular orbit in a three-body-type problem via index theory. Arch. Ration. Mech. Anal. 219 (2016), no. 1, 387–444.
Barutello, Vivina L.; Jadanza, Riccardo D.; Portaluri, Alessandro Linear instability of relative equilibria for n-body problems in the plane. J. Differential Equations 257 (2014), no. 6, 1773–1813.
Castelli, Roberto; Paparella, Francesco; Portaluri, Alessandro Singular dynamics under a weak potential on a sphere. NoDEA Nonlinear Differential Equations Appl. 20 (2013), no. 3, 845–872.
Ferrario, Davide L.; Portaluri, Alessandro Dynamics of the dihedral four-body problem. Discrete Contin. Dyn. Syst. Ser. S 6 (2013), no. 4, 925–974.
Paparella, Francesco; Portaluri, Alessandro Geometry of stationary solutions for a system of vortex filaments: a dynamical approach. Discrete Contin. Dyn. Syst. 33 (2013), no. 7, 3011–3042.
Paparella, Francesco; Portaluri, Alessandro Dynamics of (4+1)-dihedrally symmetric nearly parallel vortex filaments. Acta Appl. Math. 122 (2012), 349–366.
Ferrario, Davide L.; Portaluri, Alessandro On the dihedral n-body problem. Nonlinearity 21 (2008), no. 6, 1307–1321.