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An illustration of a Shioda-Inose structure (1409.4950v3)
Published 17 Sep 2014 in math.AG
Abstract: We investigate the Shioda-Inose structure of the Jacobian of a smooth complex genus-2 curve C arising from its degree-2 elliptic subcovers and determine the Mordell-Weil groups and lattices in the case of a semistable fibration having exactly four singular fibers.