Thank you for yor clear explanation.
Julián Aguirre
On 16 mar, 18:23, John Cremona wrote:
> Let me explain (as the author of mwrank). There was a bug in
> mwrank, found by James Wiegandt and Edray Goins, which meant that in
> some cases for curves with rational 2-torsion the computed upper bo
Let me explain (as the author of mwrank).There was a bug in
mwrank, found by James Wiegandt and Edray Goins, which meant that in
some cases for curves with rational 2-torsion the computed upper bound
on the rank was too high. (Technical explanation: the second descent
homogensous spaces were
