Constructions of p-adic L-functions and admissible measures for Hermitian modular forms
Constructions de fonctions L-functions p-adiques et mesures admissibles de formes modulaires hermitiehhes
Résumé
For a prime p and a positive integer n, the standard zeta function L_F (s) is considered, attached
to an Hermitian modular form F =\sum_ H A(H)q^H on the Hermitian upper half plane H_n of degree n,
where H runs through semi-integral positive definite Hermitian matrices of degree n, i.e. H \in \Lambda_n(O)
over the integers O of an imaginary quadratic field K, where q^H = exp(2 iTr(HZ)). Analytic p-
adic continuation of their zeta functions constructed by A.Bouganis in the ordinary case (in [Bou16]
is presently extended to the admissible case via growing p-adic measures. Previously this problem
was solved for the Siegel modular forms, [CourPa], [BS00]. Present main result is stated in terms
of the Hodge polygon P_H(t) : [0; d] ! R and the Newton polygon P_N(t) = P_{N;p}(t) : [0; d] -> R of
the zeta function L_F (s) of degree d = 4n. Main theorem gives a p-adic analytic interpolation of the
L values in the form of certain integrals with respect to Mazur-type measures.
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