104 research outputs found
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Modular Forms
The theory of Modular Forms has been central in mathematics with a
rich history and connections to many other areas of mathematics. The
workshop explored recent developments and future directions with a
particular focus on connections to the theory of periods
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Arbeitsgemeinschaft: Higher Gross Zagier Formulas
The aim of this Arbeitsgemeinschaft is to go over the proof of the higher Gross–Zagier formula established in the paper [YZ15]. The formula relates arbitrary order central derivative of the base change -function of an unramifed automorphic representation of PGL over a function field to the self-intersection number of a certain algebraic cycle on the moduli stack of Shtukas
On the non-vanishing of -adic heights on CM abelian varieties, and the arithmetic of Katz -adic -functions
Let be a simple CM abelian variety over a CM field , a rational
prime. Suppose that has potentially ordinary reduction above and is
self-dual with root number . Under some further conditions, we prove the
generic non-vanishing of (cyclotomic) -adic heights on along
anticyclotomic -extensions of . This provides evidence towards
Schneider's conjecture on the non-vanishing of -adic heights. For CM
elliptic curves over \Q, the result was previously known as a consequence of
work of Bertrand, Gross--Zagier and Rohrlich in the 1980s. Our proof is based
on non-vanishing results for Katz -adic -functions and a Gross--Zagier
formula relating the latter to families of rational points on .Comment: Ann. Inst. Fourier, to appea
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