activity
20212026
most citedFine Selmer groups of congruent -adic Galois representations

4 citations · 11 across the 9 of their papers we have counts for

collaborators

11 papers

math.NT2026

Iwasawa theory of (directed) Cayley graphs

Debanjana Kundu, Katharina Müller, Alexis newton +2

In this article, we prove the Defect Conjecture for Cayley graphs of abelian groups, dihedral groups, and groups of the form $\mathbb{Z}/p\mathbb{Z} \rtimes \mathbb{Z}/(p-1)\mathbb…

math.NT2023★ 2 cited

On towers of Isogeny graphs with full level structure

Antonio Lei, Katharina Müller

Let be three distinct prime numbers and let be a positive integer coprime to . For an integer , we define the directed graph whose vertices a…

math.NT2023

On the non-commutative Iwasawa main conjecture for voltage covers of graphs

Sören Kleine, Katharina Müller

Let be a rational prime, and let be a connected finite graph. In this article we study voltage covers of attached to a voltage assignment which takes val…

math.NT2023

On the Zeta functions of supersingular isogeny graphs and modular curves

Antonio Lei, Katharina Müller

Let and be distinct prime numbers, with . Let be a positive integer that is coprime to . We prove a formula relating the Hasse--Weil zeta functi…

math.NT2023

On ordinary isogeny graphs with level structure

Antonio Lei, Katharina Müller

Let and be two distinct prime numbers. We study -isogeny graphs of ordinary elliptic curves defined over a finite field of characteristic , together with a level stru…

math.NT2023

On the Iwasawa invariants of BDP Selmer groups and BDP P-adic L-fucntions

Antonio Lei, Katharina Müller, Jiacheng Xia

Let be an odd prime. Let and be weight-two Hecke eigen-cuspforms with isomorphic residual Galois representations at . Greenberg--Vatsal and Emerton--Pollack--Wes…

math.NT2022★ 2 cited

On the growth of the Jacobian in -voltage covers of graphs

Sören Kleine, Katharina Müller

We investigate the growth of the -part of the Jacobians in voltage covers of finite connected multigraphs, where the voltage group is isomorphic to for some ${l…

math.NT2022

Fine Selmer groups of modular forms

Sören Kleine, Katharina Müller

We compare the Iwasawa invariants of fine Selmer groups of -adic Galois representations over admissible -adic Lie extensions of a number field to the Iwasawa invariants o…

math.NT2022

Asymptotic formula for Tate-Shafarevich groups of -supersingular elliptic curves over anticyclotomic extensions

Antonio Lei, Meng Fai Lim, Katharina Müller

Let be a prime number and an elliptic curve with good supersingular reduction at . Under the generalized Heegner hypothesis, we investigate the -prima…

math.NT2021★ 3 cited

Fine Selmer groups and ideal class groups

Sören Kleine, Katharina Müller

Let be a uniform -adic Lie extension. We compare several arithmetic invariants of Iwasawa modules of ideal class groups on the one side and fine Selmer groups of ab…

math.NT2021★ 4 cited

Fine Selmer groups of congruent -adic Galois representations

Sören Kleine, Katharina Müller

We compare the Pontryagin duals of fine Selmer groups of two congruent -adic Galois representations over admissible pro-, -adic Lie extensions of number fields…