45 citations · 133 across the 45 of their papers we have counts for
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math.DS2007★ 21 cited
On the dihedral n-body problem
Davide L. Ferrario, Alessandro Portaluri
Consider n=2l>=4 point particles with equal masses in space, subject to the following symmetry constraint: at each instant they form an orbit of the dihedral group D_l, where D_l i…
math.CA2007★ 2 cited
On a generalized Sturm theorem
Alessandro Portaluri
Sturm oscillation theorem for second order differential equations was generalized to systems and higher order equations with positive leading coefficient by several authors. What w…