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math.AG2021
A non-hyperelliptic curve with torsion Ceresa cycle modulo algebraic equivalence
Arnaud Beauville, Chad Schoen
We exhibit a non-hyperelliptic curve C of genus 3 such that the class of the Ceresa cycle [C]-[(-1)*C] in JC modulo algebraic equivalence is torsion.
math.AG2008★ 9 cited
Desingularized fiber products of semi-stable elliptic surfaces with vanishing third Betti number
Chad Schoen
Desingularized fiber products of semi-stable, non-isotrivial jacobian elliptic surfaces with vanishing third Betti number are classified. Such varieties may play a role in the stud…
math.AG2004★ 1 cited
Specialization of the torsion subgroup of the Chow group
Chad Schoen
An example is given in which specialization is not injective.