Possibilities for Shafarevich-Tate Groups of Modular ... - William Stein
Possibilities for Shafarevich-Tate Groups of Modular ... - William Stein
Possibilities for Shafarevich-Tate Groups of Modular ... - William Stein
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Is Sha Always Square or<br />
Twice a Square?<br />
Poonen asked at the Arizona Winter<br />
School in 2000, “Is there an abelian<br />
variety A with <strong>Shafarevich</strong>-<strong>Tate</strong> group<br />
<strong>of</strong> order three?”