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In this paper, we study the Fitting ideals of Selmer groups over finite subextensions in the cyclotomic $\mathbb{Z}_p$-extension of $\mathbb{Q}$ of an elliptic curve over $\mathbb{Q}$. Especially, we present a proof of the "weak main…

Number Theory · Mathematics 2019-05-23 Chan-Ho Kim , Masato Kurihara

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

In this paper, we survey some Galois-theoretic techniques for studying torsion points on curves. In particular, we give new proofs of some results of A. Tamagawa and the present authors for studying torsion points on curves with "ordinary…

Number Theory · Mathematics 2007-05-23 Matthew Baker , Kenneth A. Ribet

We review the main conjecture for an elliptic curve on $\Q$ having good supersingular reduction at $p$ and give some consequences of it. Then we define the notion of $\lambda$-invariant and of $\mu$- invariant in this situation,…

Number Theory · Mathematics 2016-09-07 Bernadette Perrin-Riou

We study the Iwasawa theory of $p$-primary Selmer groups of elliptic curves $E$ over a number field $K$. Assume that $E$ has additive reduction at the primes of $K$ above $p$. In this context, we prove that the Iwasawa invariants satisfy an…

Number Theory · Mathematics 2024-11-06 Anwesh Ray , Pratiksha Shingavekar

We prove the Relative Manin-Mumford Conjecture for families of abelian varieties in characteristic 0. We follow the Pila-Zannier method to study special point problems, and we use the Betti map which goes back to work of Masser and Zannier…

Number Theory · Mathematics 2023-10-10 Ziyang Gao , Philipp Habegger

We prove that a Shimura curve in the Siegel modular variety is not generically contained in the open Torelli locus as long as the rank of unitary part in its canonical Higgs bundle satisfies a numerical upper bound. As an application we…

Algebraic Geometry · Mathematics 2017-12-12 Ke Chen , Xin Lu , Kang Zuo

Our main result in this article is a proof (under mild technical assumptions) of an analogue for $p$-adic Galois representations attached to a newform $f$ of even weight $k\geq4$ of Kolyvagin's conjecture on the $p$-indivisibility of…

Number Theory · Mathematics 2024-12-20 Matteo Longo , Maria Rosaria Pati , Stefano Vigni

We obtain new asymptotical bounds for the symmetric tensor rank of multiplication in any finite extension of any finite field $\F_q$. In this aim, we use the symmetric Chudnovsky-type generalized algorithm applied on a family of Shimura…

Algebraic Geometry · Mathematics 2015-12-31 Stéphane Ballet , Jean Chaumine , Julia Pieltant

A theorem by Mumford implies that every automorphic line bundle on a pure open Shimura variety, equipped with an invariant smooth metric, can be uniquely extended as a line bundle on a toroidal compactification of the variety, in such a way…

Algebraic Geometry · Mathematics 2014-05-14 José Burgos , Ulf Kühn , Jürg Kramer

Gromov conjectured that the total mean curvature of the boundary of a compact Riemannian manifold can be estimated from above by a constant depending only on the boundary metric and on a lower bound for the scalar curvature of the fill-in.…

Differential Geometry · Mathematics 2026-02-10 Christian Baer

This paper focuses on the proof of Serge Lang's Heights Conjecture in a form that is completely effective. As a complementary result the author provides a new proof of Mazur-Merel theorem about a bound for the torsion of elliptic curves in…

Number Theory · Mathematics 2018-09-11 Benjamin Wagener

In this paper, we prove the Iwasawa main conjecture for elliptic curves at an odd supersingular prime p. Some consequences are the p-parts of the leading term formulas in the Birch and Swinnerton-Dyer conjectures for analytic rank 0 or 1.

Number Theory · Mathematics 2016-11-01 Florian Sprung

We introduce and begin the topological study of real rational plane curves, all of whose inflection points are real. The existence of such curves is a corollary of results in the real Schubert calculus, and their study has consequences for…

Algebraic Geometry · Mathematics 2010-03-29 Viatcheslav Kharlamov , Frank Sottile

Let p be an odd prime. Suppose that E is a modular elliptic curve/Q with good ordinary reduction at p. Let Q_{oo} denote the cyclotomic Z_p-extension of Q. It is conjectured that Sel_E(Q_{oo}) is a cotorsion Lambda-module and that its…

Number Theory · Mathematics 2016-09-07 Ralph Greenberg , Vinayak Vatsal

We show that the strategy of point counting in o-minimal structures can be applied to various problems on unlikely intersections that go beyond the conjectures of Manin-Mumford and Andr\'e-Oort. We verify the so-called Zilber-Pink…

Number Theory · Mathematics 2014-09-03 Philipp Habegger , Jonathan Pila

The authors previously formulated the hybrid conjecture, unifying Andr\'e-Pink-Zannier and Andr\'e-Oort conjectures, and proved it in Shimura varieties of abelian type. We study its analogue for mixed Shimura varieties, and consider the…

Number Theory · Mathematics 2026-04-28 Rodolphe Richard , Andrei Yafaev

In this article we prove the explicit Mordell Conjecture for large families of curves. In addition, we introduce a method, of easy application, to compute all rational points on curves of quite general shape and increasing genus. The method…

Number Theory · Mathematics 2017-08-29 Sara Checcoli , Francesco Veneziano , Evelina Viada

Given a correspondence between a modular curve and an elliptic curve A we study the group of relations among the CM points of A. In particular we prove that the intersection of any finite rank subgroup of A with the set of CM points of A is…

Number Theory · Mathematics 2017-04-03 Alexandru Buium , Bjorn Poonen

In this paper, we discuss a longstanding conjecture of Greenberg in the Iwasawa theory of elliptic curves. Greenberg's conjecture states that if $E/\mathbb{Q}$ is an elliptic curve with good ordinary reduction at $p$, and $E[p]$ is…

Number Theory · Mathematics 2024-10-30 Adithya Chakravarthy