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We investigate modularity of elliptic curves over a general totally real number field, establishing a finiteness result for the set non-modular $j$-invariants. By analyzing quadratic points on some modular curves, we show that all elliptic…

Number Theory · Mathematics 2013-09-18 Bao V. Le Hung

In this survey article, we summarise the known results towards the conjecture: elliptic curves over totally real number fields are modular. For understanding these recent results in the literature, we present some necessary background along…

Number Theory · Mathematics 2023-04-19 Bidisha Roy , Lalit Vaishya

We prove that all elliptic curves defined over totally real cubic fields are modular. This builds on previous work of Freitas, Le Hung and Siksek, who proved modularity of elliptic curves over real quadratic fields, as well as recent…

Number Theory · Mathematics 2020-08-26 Maarten Derickx , Filip Najman , Samir Siksek

We prove that all elliptic curves defined over real quadratic fields are modular.

Number Theory · Mathematics 2014-07-21 Nuno Freitas , Bao V. Le Hung , Samir Siksek

Let $K$ be a composite field of some real quadratic fields. We give a sufficient condition on $K$ such that all elliptic curves over $K$ is modular.

Number Theory · Mathematics 2016-07-21 Sho Yoshikawa

The modularity of elliptic curves always intrigues number theorists. Recently, Thorne had proved a marvelous result that for a prime $ p $, every elliptic curve defined over a $ p $-cyclotomic extension of $ \mathbb{Q} $ is modular. The…

Number Theory · Mathematics 2023-10-24 Xinyao Zhang

We study the finiteness of low degree points on certain modular curves and their Atkin--Lehner quotients, and, as an application, prove the modularity of elliptic curves over all but finitely many totally real fields of degree $5$. On the…

Number Theory · Mathematics 2022-10-18 Yasuhiro Ishitsuka , Tetsushi Ito , Sho Yoshikawa

This version improves the old version entitled "On the modularity of elliptic curves with a residually irreducible representation". Let $E$ be an elliptic curve over an abelian totally real field $K$ unramified at 3,5, and 7. We prove that…

Number Theory · Mathematics 2016-07-27 Sho Yoshikawa

We prove that every elliptic curve defined over a totally real number field of degree 4 not containing $\sqrt{5}$ is modular. To this end, we study the quartic points on four modular curves.

Number Theory · Mathematics 2021-03-26 Josha Box

Using a combination of several powerful modularity theorems and class field theory we derive a new modularity theorem for semistable elliptic curves over certain real abelian fields. We deduce that if $K$ is a real abelian field of…

Number Theory · Mathematics 2016-09-07 Samuele Anni , Samir Siksek

We prove modularity of some two dimensional, 2-adic Galois representations over totally real fields that are nearly ordinary and that are residually dihedral. We do this by employing the strategy of Skinner and Wiles, using Hida families,…

Number Theory · Mathematics 2014-11-17 Patrick B. Allen

We prove that all elliptic curves defined over the cyclotomic $\mathbb{Z}_p$-extension of a real quadratic field are modular under the assumption that the algebraic part of the central value of a twisted $L$-function is a $p$-adic unit. Our…

Number Theory · Mathematics 2022-06-28 Sho Yoshikawa

Let E be an elliptic curve over a real quadratic field K and F/K a totally real finite Galois extension. We prove that E/F is modular.

Number Theory · Mathematics 2014-10-15 Luis Dieulefait , Nuno Freitas

The well-known fact that all elliptic curves are modular, proven by Wiles, Taylor, Breuil, Conrad and Diamond, leaves open the question whether there exists a 'nice' representation of the modular form associated to each elliptic curve. Here…

Number Theory · Mathematics 2012-02-03 Eugene Yoong , David Pathakjee , Zef Rosnbrick

We prove that there are only finitely many modular curves of $D$-elliptic sheaves over $\mathbb{F}_q(T)$ which are hyperelliptic. In odd characteristic we give a complete classification of such curves.

Number Theory · Mathematics 2009-01-26 Mihran Papikian

In this long survey article we show that the theory of elliptic and hyperelliptic curves can be extended naturally to all superelliptic curves. We focus on automorphism groups, stratification of the moduli space $\mathcal{M}_g$, binary…

Algebraic Geometry · Mathematics 2023-11-30 Andreas Malmendier , Tony Shaska

We show that abelian surfaces (and consequently curves of genus 2) over totally real fields are potentially modular. As a consequence, we obtain the expected meromorphic continuation and functional equations of their Hasse--Weil zeta…

Number Theory · Mathematics 2021-11-30 George Boxer , Frank Calegari , Toby Gee , Vincent Pilloni

Studying degenerations of moduli spaces of semistable principal bundles on smooth curves leads to the problem of constructing and studying moduli spaces on singular curves. In this note, we will see that the moduli spaces of…

Algebraic Geometry · Mathematics 2020-07-30 Ángel Luis Muñoz Castañeda , Alexander H. W. Schmitt

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 this paper, we establish the modularity of every elliptic curve $E/F$, where $F$ runs over infinitely many imaginary quadratic fields, including $\mathbb{Q}(\sqrt{-d})$ for $d=1,2,3,5$. More precisely, let $F$ be imaginary quadratic and…

Number Theory · Mathematics 2025-03-28 Ana Caraiani , James Newton
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