STNB

STNB2026 (39a edició)

Explicit lower bounds on the conductors of elliptic curves and abelian varieties over number fields

Ponents

Pierre Tchamitchian

Resum

Following the work of Mestre, we use Weil's explicit formulas to compute explicit lower bounds on the conductors of elliptic curves and abelian varieties over number fields. Moreover, we obtain bounds for the conductor of elliptic curves and abelian varieties over $\mathbb{Q}$ with specified bad reduction and over number fields. As an application, for specific fields, we prove the non-existence of abelian varieties with everywhere good reduction.

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