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Deligne's conjecture on the critical values of Hecke $L$-functions

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arxiv 2406.06148 v1 pith:BBXM7C6E submitted 2024-06-10 math.NT

classification math.NT
keywords heckearbitraryblasiuscharactersclassesconjecturecriticaldeligne
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abstract

In this paper we give a proof of Deligne's conjecture on the critical values of $L$-functions for arbitrary algebraic Hecke characters. This extends a result of Blasius, which only works in the case of CM fields. The key new insight is that the Eisenstein-Kronecker classes of Kings-Sprang, which allow for a cohomological interpretation of the value $L(\chi,0)$ for Hecke characters $\chi$ of arbitrary totally imaginary fields, can be regarded as de Rham classes of Blasius' reflex motive.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Period relations for Rankin-Selberg convolutions for $\mathrm{GL}(n)\times\mathrm{GL}(n)$

    math.NT 2025-06 conditional novelty 8.0 of 10

    Period relations for critical values of GL(n)xGL(n) Rankin-Selberg L-functions are proved over number fields containing a CM field.

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