activity
20092025
most citedOn higher regulators of Siegel threefolds II: the connection to the special value

20 citations · 27 across the 10 of their papers we have counts for

collaborators
Showing math.NTShow all

11 papers · 1 filter

math.NT2025

Kato explicit reciprocity law for Siegel modular forms of weight

Francesco Lemma, Tadashi Ochiai

We extend Kato explicit reciprocity law, in the version written by Scholl, for a modular curve to a product of two modular curves. By embedding the product of two modular curves in…

math.NT2022★ 1 cited

Tempered currents and Deligne cohomology of Shimura varieties, with an application to

José Ignacio Burgos Gil, Antonio Cauchi, Francesco Lemma +1

We provide a new description of Deligne-Beilinson cohomology for any Shimura variety in terms of tempered currents. This is particularly useful for computations of regulators of mo…

math.NT2022★ 3 cited

Algebraic cycles and functorial lifts from to

Antonio Cauchi, Francesco Lemma, Joaquín Rodrigues Jacinto

We study instances of Beilinson-Tate conjectures for automorphic representations of whose Spin -function has a pole at . We construct algebraic cycles of…

math.NT2019★ 1 cited

On Higher regulators of Siegel varieties

Antonio Cauchi, Francesco Lemma, Joaquín Rodrigues Jacinto

We construct classes in the middle degree plus one motivic cohomology of the Siegel Shimura variety of almost any dimension. We compute their image by Beilinson's higher regulator…

math.NT2018★ 2 cited

Endoscopic congruences modulo adjoint -values for

Francesco Lemma, Tadashi Ochiai

We establish the existence of congruences between a fixed endoscopic cuspidal automorphic representation of of square-free conductor and stable cuspidal autom…

math.NT2017

Algebraic cycles and residues of degree eight -functions of

Francesco Lemma

We prove a cohomological formula for non-critical residues of degree eight automorphic -functions of in the spirit of Beilinson conjectur…

math.NT2016

On the residue of Eisenstein classes of Siegel varieties

Francesco Lemma

Eisenstein classes of Siegel varieties are motivic cohomology classes defined as pull-backs by torsion sections of the polylogarithm prosheaf on the universal abelian scheme. By re…

math.NT2016

Abelian varieties and transversal index theorems

Ouidad Filali, Francesco Lemma

We interpret the "explicit formula" in the sense of analytic number theory for the zeta function of an ordinary abelian variety of dimension g over a finite field as a transversal…

math.NT2014★ 20 cited

On higher regulators of Siegel threefolds II: the connection to the special value

Francesco Lemma

We establish a connection between motivic cohomology classes over the Siegel threefold and special values of the degree four -function of some cuspidal automorphic representatio…

math.NT2009

Some norm relations of the Eisenstein classes of GSp(4)

Francesco Lemma

We construct a norm compatible system of Galois cohomology classes in the cyclotomic extension of the field of rationnals giving rise (conjecturally) to the degree four p-adic L-fu…

math.NT2009

Higher regulators, periods and special values of the degree four L-function of GSp(4)

Francesco Lemma

We consider the degree 4 L-function associated to an automorphic representation of the symplectic group GSp(4). Starting with Beilinson's Eisenstien symbol we construct some motivi…