English
Related papers

Related papers: Anti-cyclotomic Euler system of diagonal cycles

200 papers

In this paper, we study extra-twists for automorphic representations of $\mathrm{GL}_n$ and use them to give a precise description of the image of the Galois representations associated with regular algebraic cuspidal automorphic…

Number Theory · Mathematics 2025-02-18 Alireza Shavali

We construct an Euler system -- a compatible family of global cohomology classes -- for the Galois representations appearing in the geometry of Hilbert modular surfaces. If a conjecture of Bloch and Kato on injectivity of regulator maps…

Number Theory · Mathematics 2018-12-11 Antonio Lei , David Loeffler , Sarah Livia Zerbes

In this paper we develop a theory of class invariants associated to $p$-adic representations of absolute Galois groups of number fields. Our main tool for doing this involves a new way of describing certain Selmer groups attached to…

Number Theory · Mathematics 2007-05-23 A. Agboola

We construct, over any CM field, compatible systems of l-adic Galois representations that appear in the cohomology of algebraic varieties and have (for all l) algebraic monodromy groups equal to the exceptional group of type E6.

Let $X$ be a smooth, separated, geometrically connected scheme defined over a number field $K$ and $\{\rho_\lambda\}_\lambda$ a system of n-dimensional semisimple $\lambda$-adic representations of the \'etale fundamental group of $X$ such…

Number Theory · Mathematics 2023-08-04 Chun Yin Hui

As a natural generalization of the notion of `higher rank Euler system', we develop a theory of `higher special elements' in the exterior power biduals of the Galois cohomology of $p$-adic representations. We show, in particular, that such…

Number Theory · Mathematics 2018-09-12 David Burns , Takamichi Sano , Kwok-Wing Tsoi

We prove new automorphy lifting theorems for residually reducible Galois representations of unitary type in which the residual representation is permitted to have an arbitrary number of irreducible constituents.

Number Theory · Mathematics 2020-08-14 Patrick B. Allen , James Newton , Jack A. Thorne

Let $\rho$ be the $p$-adic Galois representation attached to a cuspidal, regular algebraic, polarizable automorphic representation of $GL_n$. Assuming only that $\rho$ satisfies an irreducibility condition, we prove the vanishing of the…

Number Theory · Mathematics 2022-07-12 Jack A. Thorne

In this paper we establish a new case of Langlands functoriality. More precisely, we prove that the tensor product of the compatible system of Galois representations attached to a level-1 classical modular form and the compatible system…

Number Theory · Mathematics 2025-09-18 Sara Arias-de-Reyna , Luis Dieulefait , Josu Pérez

We construct Galois extensions of the T(n)-local sphere, lifting all finite abelian Galois extensions of the K(n)-local sphere. This is achieved by realizing them as higher semiadditive analogues of cyclotomic extensions. Combining this…

Algebraic Topology · Mathematics 2024-12-25 Shachar Carmeli , Tomer M. Schlank , Lior Yanovski

We develop a Galois theory for systems of linear difference equations with an action of an endomorphism {\sigma}. This provides a technique to test whether solutions of such systems satisfy {\sigma}-polynomial equations and, if yes, then…

Commutative Algebra · Mathematics 2020-11-17 Alexey Ovchinnikov , Michael Wibmer

For many finite groups, the Inverse Galois Problem can be approached through modular/automorphic Galois representations. This is a report explaining the basic strategy, ideas and methods behind some recent results. It focusses mostly on the…

Number Theory · Mathematics 2014-02-07 Gabor Wiese

We define and study a collection of special cycles on certain non-PEL Shimura varieties for $U(2,1) \times U(1,1)$ that appear naturally in the context of the recent conjectures of Gan, Gross and Prasad on restrictions of automorphic forms…

Number Theory · Mathematics 2016-10-07 Dimitar P. Jetchev

We establish the automorphy of some families of 2-dimensional representations of the absolute Galois group of a totally real field, which do not satisfy the so-called `Taylor--Wiles hypothesis'. We apply this to the problem of the…

Number Theory · Mathematics 2015-04-07 Jack A. Thorne

In the first part of this paper we try to explain to a general mathematical audience some of the remarkable web of conjectures linking representations of Galois groups with algebraic geometry, complex analysis and discrete subgroups of Lie…

Number Theory · Mathematics 2007-05-23 Richard Taylor

The Bloch-Kato conjecture predicts a far-reaching connection between orders of vanishing of $L$-functions and the ranks of Selmer groups of $p$-adic Galois representations. In this article, we consider the four-dimensional, symplectic…

Number Theory · Mathematics 2025-03-31 Naomi Sweeting

In this paper we generalize the work of Harris-Soudry-Taylor and construct the compatible systems of two-dimensional Galois representations attached to cuspidal automorphic representations of cohomological type on GL_2 over a CM field with…

Number Theory · Mathematics 2019-02-20 Chung Pang Mok

We prove that the monodromy group of a reduced irreducible square system of general polynomial equations equals the symmetric group. This is a natural first step towards the Galois theory of general systems of polynomial equations, because…

Algebraic Geometry · Mathematics 2020-07-08 Alexander Esterov

For a non-endoscopic cohomological cuspidal automorphic representation of $\mathrm{GSp}_4 \times \mathrm{GL}_2$, assumed to be $p$-ordinary, we construct an Euler system for the Galois representation associated to it. Both the construction…

Number Theory · Mathematics 2020-12-29 Chi-Yun Hsu , Zhaorong Jin , Ryotaro Sakamoto

In this paper, we consider Galois representations of the absolute Galois group $\text{Gal}(\overline {\mathbb Q}/\mathbb Q)$ attached to modular forms for noncongruence subgroups of $\text{SL}_2(\mathbb Z)$. When the underlying modular…

Number Theory · Mathematics 2017-08-10 Wen-Ching Winnie Li , Tong Liu , Ling Long