On upper bounds of arithmetic degrees

Y Matsuzawa - American Journal of Mathematics, 2020 - muse.jhu.edu
Let $ X $ be a smooth projective variety defined over $\overline {\Bbb {Q}} $, and $ f\colon
X\dashrightarrow X $ be a dominant rational map. Let $\delta_f $ be the first dynamical …

Deformations of Saito-Kurokawa type and the paramodular conjecture

T Berger, K Klosin - American Journal of Mathematics, 2020 - muse.jhu.edu
We study short crystalline, minimal, essentially self-dual deformations of a mod $ p $ non-
semisimple Galois representation $\overline {\sigma} $ with $\overline {\sigma}^{{\rm …

Arithmetic aspects of Bianchi groups

MH Şengün - Computations with Modular Forms: Proceedings of a …, 2014 - Springer
We discuss several arithmetic aspects of Bianchi groups, especially from a computational
point of view. In particular, we consider computing the homology of Bianchi groups together …

[HTML][HTML] Yoshida lifts and the Bloch–Kato conjecture for the convolution L-function

M Agarwal, K Klosin - Journal of Number Theory, 2013 - Elsevier
Let f1 (resp. f2) denote two (elliptic) newforms of prime level N, trivial character and weight 2
(resp. k+ 2, where k∈{8, 12}). We provide evidence for the Bloch–Kato conjecture for the …

On deformation rings of residual Galois representations with three Jordan-Holder factors and modularity

X Huang - arXiv preprint arXiv:2308.02708, 2023 - arxiv.org
In this paper, we study Fontaine-Laffaille, self-dual deformations of a mod p non-semisimple
Galois representation of dimension n with its Jordan-Holder factors being three mutually non …

Modularity of residual Galois extensions and the Eisenstein ideal

T Berger, K Klosin - Transactions of the American Mathematical Society, 2019 - ams.org
For a totally real field $ F $, a finite extension $\mathbf {F} $ of $\mathbf {F} _p $, and a
Galois character $\chi: G_F\to\mathbf {F}^{\times} $ unramified away from a finite set of …

[PDF][PDF] Integral p-adic Hodge theory and ramification of crystalline representations

S Hattori - preprint, 2018 - comm.tcu.ac.jp
INTEGRAL p-ADIC HODGE THEORY AND RAMIFICATION OF CRYSTALLINE
REPRESENTATIONS Contents 1. Introduction 2 2. Fontaine-Laffaille mo Page 1 INTEGRAL …

Serre weights for over totally real fields

T Yamauchi - arXiv preprint arXiv:2006.07824, 2020 - arxiv.org
We prove the existence of a potentially diagonalizable lift of a given automorphic mod $ p $
Galois representation $\overline {\rho}:{\rm Gal}(\overline {F}/F)\longrightarrow {\rm GSp} _4 …

Deformations of Saito-Kurokawa type and the Paramodular conjecture (with an appendix by Cris Poor, Jerry Shurman, and David S. Yuen)

T Berger, K Klosin - arXiv preprint arXiv:1710.10228, 2017 - arxiv.org
We study short crystalline, minimal, essentially self-dual deformations of a mod $ p $ non-
semisimple Galois representation $\bar {\sigma} $ with $\bar {\sigma}^{\rm ss}=\chi^{k …

On lifting and modularity of reducible residual Galois representations over imaginary quadratic fields

T Berger, K Klosin - International Mathematics Research Notices, 2015 - academic.oup.com
In this paper, we study deformations of mod Galois representations (over an imaginary
quadratic field) of dimension whose semi-simplification is the direct sum of two characters …