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$p$-ADIC $L$-FUNCTIONS FOR UNITARY GROUPS

Part of: Arithmetic problems. Diophantine geometry Discontinuous groups and automorphic forms Arithmetic algebraic geometry Algebraic number theory: global fields

Published online by Cambridge University Press:  06 May 2020

ELLEN EISCHEN ,
MICHAEL HARRIS ,
JIANSHU LI  and
CHRISTOPHER SKINNER
ELLEN EISCHEN
Affiliation:
Department of Mathematics, University of Oregon, Eugene, OR 97403, USA; [email protected]
MICHAEL HARRIS
Affiliation:
Department of Mathematics, Columbia University, New York, NY 10027, USA; [email protected]
JIANSHU LI
Affiliation:
Institute for Advanced Study in Mathematics, Zhejiang University, Hangzhou, China; [email protected], [email protected]
CHRISTOPHER SKINNER
Affiliation:
Department of Mathematics, Princeton University, Fine Hall, Washington Road, Princeton, NJ 08544-1000, USA; [email protected]

Abstract

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This paper completes the construction of $p$-adic $L$-functions for unitary groups. More precisely, in Harris, Li and Skinner [‘$p$-adic $L$-functions for unitary Shimura varieties. I. Construction of the Eisenstein measure’, Doc. Math.Extra Vol. (2006), 393–464 (electronic)], three of the authors proposed an approach to constructing such $p$-adic $L$-functions (Part I). Building on more recent results, including the first named author’s construction of Eisenstein measures and $p$-adic differential operators [Eischen, ‘A $p$-adic Eisenstein measure for unitary groups’, J. Reine Angew. Math.699 (2015), 111–142; ‘$p$-adic differential operators on automorphic forms on unitary groups’, Ann. Inst. Fourier (Grenoble)62(1) (2012), 177–243], Part II of the present paper provides the calculations of local $\unicode[STIX]{x1D701}$-integrals occurring in the Euler product (including at $p$). Part III of the present paper develops the formalism needed to pair Eisenstein measures with Hida families in the setting of the doubling method.

MSC classification

Primary: 11F85: $p$-adic theory, local fields 11F66: Langlands $L$-functions; one variable Dirichlet series and functional equations 14G10: Zeta-functions and related questions (Birch-Swinnerton-Dyer conjecture) 11F55: Other groups and their modular and automorphic forms (several variables)
Secondary: 11R23: Iwasawa theory 14G35: Modular and Shimura varieties 11G10: Abelian varieties of dimension $> 1$ 11F03: Modular and automorphic functions
Type
Number Theory
Information
Forum of Mathematics, Pi , Volume 8 , 2020 , e9
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This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
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