35 citations · 163 across the 46 of their papers we have counts for
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math.GT2008★ 2 cited
On certain permutation groups and sums of two squares
Pietro Corvaja, Carlo Petronio, Umberto Zannier
We consider the question of existence of ramified covers over P_1 matching certain prescribed ramification conditions. This problem has already been faced in a number of papers, bu…
math.NT2008★ 12 cited
Rational points in periodic analytic sets and the Manin-Mumford conjecture
Jonathan Pila, Umberto Zannier
We present a new proof of the Manin-Mumford conjecture about torsion points on algebraic subvarieties of abelian varieties. Our principle, which admits other applications, is to vi…