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Related papers: On the Eigencurve at classical weight one points

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We show that the Eigenvariety attached to Hilbert modular forms over a totally real field $F$ is smooth at the points corresponding to certain classical weight one theta series and we give a precise criterion for etaleness over the weight…

Number Theory · Mathematics 2016-11-15 Adel Betina

Let $F$ be a totally real number field and let $f$ be a classical cuspidal $p$-regular Hilbert modular eigenform over $F$ of parallel weight $1$. Let $x$ be the point on the $p$-adic Hilbert eigenvariety $\mathcal E$ corresponding to an…

Number Theory · Mathematics 2020-09-08 Adel Betina , Shaunak V. Deo , Francesc Fité

Let p be a prime number and f an overconvergent p-adic automorphic form on a definite unitary group which is split at p. Assume that f is of "classical weight" and that its Galois representation is crystalline at places dividing p, then f…

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

J.Bella\"iche and M.Dimitrov have shown that the $p$-adic eigencurve is smooth but not etale over the weight space at $p$-regular theta series attached to a character of a real quadratic field $F$ in which $p$ splits. We proof in this paper…

Number Theory · Mathematics 2020-02-19 Adel Betina

A complete description of the local geometry of the $p$-adic eigencurve at $p$-irregular classical weight one cusp forms is given in the cases where the usual $R=T$ methods fall short. As an application, we show that the ordinary $p$-adic…

Number Theory · Mathematics 2025-02-04 Adel Betina , Alexandre Maksoud , Alice Pozzi

Let p be a prime number and C be the p-adic tame level 1 eigencurve introduced by Coleman-Mazur. We prove that C is smooth at the evil Eisenstein points and we give necessary and sufficient conditions for etaleness of the map to the weight…

Number Theory · Mathematics 2007-05-23 Joel Bellaiche , Gaetan Chenevier

We present a comprehensive study of the geometry of Hilbert $p$-adic eigenvarieties at classical parallel weight one intersection points of their cuspidal and Eisenstein loci. For instance, we determine all such points at which the weight…

Number Theory · Mathematics 2026-01-14 Adel Betina , Mladen Dimitrov , Sheng-Chi Shih

We prove that, on average, elliptic curves over Q have finitely many primes p for which they possess a p-adic point of order p. We include a discussion of applications to companion forms and the deformation theory of Galois representations.

Number Theory · Mathematics 2007-05-23 Chantal David , Tom Weston

Let $X$ be a smooth connected algebraic curve over an algebraically closed field $k$. We study the deformation of $\ell$-adic Galois representations of the function field of $X$ while keeping the local Galois representations at all places…

Algebraic Geometry · Mathematics 2012-10-02 Lei Fu

For p=2 and tame level N=1 we prove that the map from the (Coleman-Mazur) Eigencurve to weight space satisfies the valuative criterion of properness. More informally, we show that the Eigencurve has no "holes"; given a punctured disc of…

Number Theory · Mathematics 2007-05-23 Kevin Buzzard , Frank Calegari

We prove that the Coleman-Mazur eigencurve is proper (over the weight space) at a large class of points.

Number Theory · Mathematics 2013-09-04 Hansheng Diao , Ruochuan Liu

We prove that the Coleman-Mazur eigencurve is proper over the weight space for any prime p and tame level N.

Number Theory · Mathematics 2016-06-08 Hansheng Diao , Ruochuan Liu

We compute an upper bound for the dimension of the tangent spaces at classical points of certain eigenvarieties associated with definite unitary groups, especially including the so-called critically refined cases. Our bound is given in…

Number Theory · Mathematics 2021-10-18 John Bergdall

This article studies the first-order $p$-adic deformations of classical weight one newforms, relating their fourier coefficients to the $p$-adic logarithms of algebraic numbers in the field cut out by the associated projective Galois…

Number Theory · Mathematics 2019-03-08 Henri Darmon , Alan Lauder , Victor Rotger

In this paper we show that the critical Eisenstein series of weight 2, E_{2}^{crit_{p}}, is smooth in the eigencurve C(l), where l is a prime. We also show that E_{2}^{crit_{p},ord_{l}} is smooth in the full eigencurve C^{full}(l) and…

Number Theory · Mathematics 2014-10-21 Dipramit Majumdar

We propose a definition of the weighted $\sigma_k$-curvature of a smooth metric measure space and justify it in two ways. First, we show that the weighted $\sigma_k$-curvature prescription problem is governed by a fully nonlinear second…

Differential Geometry · Mathematics 2019-06-05 Jeffrey S. Case

The slope of a p-adic overconvergent eigenform of weight k is the p-adic valuation of its U_p eigenvalue. We find the slope of all 2-adic finite slope overconvergent eigenforms of tame level 1 and weight 0. As a consequence we prove that…

Number Theory · Mathematics 2007-05-23 Kevin Buzzard , Frank Calegari

We study local, analytic solutions for a class of initial value problems for singular ODEs. We prove existence and uniqueness of such solutions under a certain non-resonance condition. Our proof translates the singular initial value problem…

Dynamical Systems · Mathematics 2021-08-19 Thomas Geert de Jong , Patrick van Meurs

We prove that the Coleman-Mazur eigencurve is proper (over weight space) at integral weights in the center of weight space.

Number Theory · Mathematics 2007-05-23 Frank Calegari

We define a pro-$p$ Abelian sheaf on a modular curve of a fixed level $N \geq 5$ divisible by a prime number $p \neq 2$. Every $p$-adic representation of $\text{Gal}(\overline{\mathbb{Q}}/\mathbb{Q})$ associated to an eigenform is obtained…

Number Theory · Mathematics 2015-04-21 Tomoki Mihara
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