Varietà proiettive complesse lisce con sezioni iperpiane riducibili di tipo speciale
Let be the Mordell-Weil group of a rational elliptic surface and let be its rank. In this note we classify all the rational elliptic surfaces with Mordell-Weil group of rank over an algebraically closed field of arbitrary characteristic and using the theory of Mordell-Weil lattices, we find systems of generators for in the coordinate-free situation.
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