Results 31 to 40 of about 396 (43)

Explicit reduction modulo p of certain 2-dimensional crystalline representations, II

open access: yes, 2013
We complete the calculations begun in [BG09], using the p-adic local Langlands correspondence for GL2(Q_p) to give a complete description of the reduction modulo p of the 2-dimensional crystalline representations of G_{Q_p} of slope less than 1, when p >
Buzzard, Kevin, Gee, Toby
core   +1 more source

Hecke grids and congruences for weakly holomorphic modular forms

open access: yes, 2013
Let $U(p)$ denote the Atkin operator of prime index $p$. Honda and Kaneko proved infinite families of congruences of the form $f|U(p) \equiv 0 \pmod{p}$ for weakly holomorphic modular forms of low weight and level and primes $p$ in certain residue ...
Ahlgren, Scott, Andersen, Nickolas
core   +1 more source

A level raising result for modular Galois representations modulo prime powers [PDF]

open access: yes, 2012
In this work we provide a level raising theorem for $\mod \lambda^n$ modular Galois representations. It allows one to see such a Galois representation that is modular of level $N$, weight 2 and trivial Nebentypus as one that is modular of level $Np$, for
Tsaknias, Panagiotis
core   +1 more source

Dihedral Group, 4-Torsion on an Elliptic Curve, and a Peculiar Eigenform Modulo 4

open access: yes, 2018
We work out a non-trivial example of lifting a so-called weak eigenform to a true, characteristic 0 eigenform. The weak eigenform is closely related to Ramanujan's tau function whereas the characteristic 0 eigenform is attached to an elliptic curve ...
Kiming, Ian, Rustom, Nadim
core   +1 more source

L-invariants for cohomological representations of PGL(2) over arbitrary number fields

open access: yesForum of Mathematics, Sigma
Let $\pi $ be a cuspidal, cohomological automorphic representation of an inner form G of $\operatorname {{PGL}}_2$ over a number field F of arbitrary signature. Further, let $\mathfrak {p}$ be a prime of F such that G is split at
Lennart Gehrmann, Maria Rosaria Pati
doaj   +1 more source

On the density of the odd values of the partition function, II: An infinite conjectural framework

open access: yes, 2018
We continue our study of a basic but seemingly intractable problem in integer partition theory, namely the conjecture that $p(n)$ is odd exactly $50\%$ of the time.
Judge, Samuel D., Zanello, Fabrizio
core   +1 more source

Weakly holomorphic modular forms in prime power levels of genus zero

open access: yes, 2017
Let $M_k^\sharp(N)$ be the space of weight $k$, level $N$ weakly holomorphic modular forms with poles only at the cusp at $\infty$. We explicitly construct a canonical basis for $M_k^\sharp(N)$ for $N\in\{8,9,16,25\}$, and show that many of the Fourier ...
Da Silva, Caroline M.   +3 more
core   +1 more source

Local-global compatibility for l=p, II

open access: yes, 2011
We prove the compatibility at places dividing l of the local and global Langlands correspondences for the l-adic Galois representations associated to regular algebraic essentially (conjugate) self-dual cuspidal automorphic representations of GL_n over an
Barnet-Lamb, Thomas   +3 more
core   +3 more sources

A characterization of ordinary modular eigenforms with CM [PDF]

open access: yes, 2013
For a rational prime $p \geq 3$ we show that a $p$-ordinary modular eigenform $f$ of weight $k\geq 2$, with $p$-adic Galois representation $\rho_f$, mod ${p^m}$ reductions $\rho_{f,m}$, and with complex multiplication (CM), is characterized by the ...
Adibhatla, Rajender   +1 more
core   +1 more source

Construction of some families of 2-dimensional crystalline representations

open access: yes, 2003
We construct explicitly some analytic families of etale (phi,Gamma)-modules, which give rise to analytic families of 2-dimensional crystalline representations.
Berger, Laurent   +2 more
core   +3 more sources

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