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Let F be a number field with adele ring A_F, and \pi an isobaric, algebraic automorphic representation of GL_4(A_F) of a fixed archimedean weight, which is quasi-regular, meaning that at every archimedean place v of F, the 4-dimensional…

Number Theory · Mathematics 2013-12-12 Dinakar Ramakrishnan

We introduce a new collection of partially global Galois cohomology classes subsuming both plectic Heegner points and mock plectic invariants. The former are recovered as localizations of plectic Heegner classes, while the latter arise as…

Number Theory · Mathematics 2026-04-14 Michele Fornea

In this paper we prove the discrete compactness property for a wide class of p-version finite element approximations of non-elliptic variational eigenvalue problems in two and three space dimensions. In a very general framework, we find…

Numerical Analysis · Mathematics 2025-08-01 Daniele Boffi , Martin Costabel , Monique Dauge , Leszek Demkowicz , Ralf Hiptmair

In the present paper, we will show that three apparently disjoint objects: Galois representations arising from twenty-seven lines on a cubic surface (number theory and arithmetic algebraic geometry), Picard modular forms (automorphic…

Number Theory · Mathematics 2007-05-23 Lei Yang

Understanding the asymptotic behavior of the number of Galois orbits of newforms in $S_k(\Gamma_0(N), \Psi)$ as the weight increases is a central problem motivated by Maeda's conjecture. For trivial nebentypus, prior work of Dieulefait,…

Number Theory · Mathematics 2026-05-27 Debargha Banerjee , Dhrubajyoti Das , Srijan Das , Tathagata Mandal , Sudipa Mondal

This is an updated version of ANT-0253. Let F be a number field with absolute Galois group G. We associate, to each continuous, solvable C-representation of G of GO(4)-type, an automorphic form P of GL(4)/F with the same L-function. As a…

Number Theory · Mathematics 2007-05-23 Dinakar Ramakrishnan

We describe the completed local rings of the trianguline variety at certain points of integral weights in terms of completed local rings of algebraic varieties related to Grothendieck's simultaneous resolution of singularities. We derive…

Number Theory · Mathematics 2023-04-25 Christophe Breuil , Eugen Hellmann , Benjamin Schraen

In this paper, we prove that a $\mathrm{GL}(2n)$-eigenvariety is \'etale over the (pure) weight space at non-critical Shalika points, and construct multi-variable $p$-adic $L$-functions varying over the resulting Shalika components. Our…

Number Theory · Mathematics 2026-01-19 Daniel Barrera Salazar , Mladen Dimitrov , Andrew Graham , Andrei Jorza , Chris Williams

We construct split anti-cyclotomic Euler systems for Galois representations attached to certain RACSDC automorphic representations on the group $\mathrm{GL}_n\times\mathrm{GL}_{n+1}$. As a result, we make progress towards certain rank 1…

Number Theory · Mathematics 2024-08-05 Shilin Lai , Christopher Skinner

In this paper we prove that a pure, regular, totally odd, polarizable weakly compatible system of $l$-adic representations is potentially automorphic. The innovation is that we make no irreducibility assumption, but we make a purity…

Number Theory · Mathematics 2019-02-20 Stefan Patrikis , Richard Taylor

We use modular symbols to construct p-adic L-functions for cohomological cuspidal automorphic representations on GL(2n), which admit a Shalika model. Our construction differs from former ones in that it systematically makes use of the…

Number Theory · Mathematics 2019-07-18 Lennart Gehrmann

We prove general Dwork-type congruences for Hasse--Witt matrices attached to tuples of Laurent polynomials. We apply this result to establishing arithmetic and $p$-adic analytic properties of functions originating from polynomial solutions…

Number Theory · Mathematics 2024-09-04 Alexander Varchenko , Wadim Zudilin

We state conjectures on the relationships between automorphic representations and Galois representations, and give evidence for them.

Number Theory · Mathematics 2015-09-08 Kevin Buzzard , Toby Gee

We apply the theory of families of (phi,Gamma)-modules to trianguline families as defined by Chenevier. This yields a new definition of Kisin's finite slope subspace as well as higher dimensional analogues. Especially we show that these…

Algebraic Geometry · Mathematics 2012-02-21 Eugen Hellmann

In 1994, van Geemen and Top constructed a non-selfdual motive of rank three over $\mathbb{Q}$ conjecturally associated with a cuspidal non-selfdual automorphic representation of $\mathrm{GL}_3(\mathbb{A}_{\mathbb{Q}})$ of level…

Number Theory · Mathematics 2018-11-29 Tetsushi Ito , Teruhisa Koshikawa , Yoichi Mieda

We develop a full 6-functor formalism for $p$-torsion \'etale sheaves in rigid-analytic geometry. More concretely, we use the recently developed condensed mathematics by Clausen--Scholze to associate to every small v-stack (e.g.…

Algebraic Geometry · Mathematics 2022-06-07 Lucas Mann

This article is the third and last part of a series of three articles about compatible systems of symplectic Galois representations and applications to the inverse Galois problem. This part proves the following new result for the inverse…

Number Theory · Mathematics 2013-09-24 Sara Arias-de-Reyna , Luis Dieulefait , Sug Woo Shin , Gabor Wiese

We show that the $p$-adic KZ connection associated with the family of curves $y^q=(t-z_1)\dots (t-z_{qg+1})$ has an invariant subbundle of rank $g$, while the corresponding complex KZ connection has no nontrivial proper subbundles due to…

Number Theory · Mathematics 2022-05-04 Alexander Varchenko

Let $K$ be a $p$-adic local field. In this work we study a special kind of $p$-adic Galois representations of it. These representations are similar to the Galois representations occurred in the exceptional zero conjecture for modular forms.…

Number Theory · Mathematics 2015-06-16 Yuancao Zhang

Let $\mathscr{O}_K$ be a 2-adic discrete valuation ring with perfect residue field $k$. We classify $p$-divisible groups and $p$-power order finite flat group schemes over $\mathscr{O}_K$ in terms of certain Frobenius module over…

Number Theory · Mathematics 2012-01-04 Wausu Kim