Results 1 to 10 of about 8,982 (113)

Half-integral weight p-adic coupling of weakly holomorphic and holomorphic modular forms [PDF]

open access: yesResearch in Number Theory, 2015
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Kathrin Bringmann   +2 more
openaire   +8 more sources

Scalar‐valued depth two Eichler–Shimura integrals of cusp forms

open access: yesTransactions of the London Mathematical Society, 2023
Given cusp forms f and g of integral weight k⩾2, the depth two holomorphic iterated Eichler–Shimura integral If,g is defined by ∫τi∞f(z)(X−z)k−2Ig(z;Y)dz, where Ig is the Eichler integral of g and X,Y are formal variables.
Tobias Magnusson, Martin Raum
doaj   +1 more source

Analogues of the Bol operator for half-integral weight weakly holomorphic modular forms

open access: yesProceedings of the American Mathematical Society, 2023
We define an analogue of the Bol operator on spaces of weakly holomorphic modular forms of half-integral weight. We establish its main properties and relation with other objects.
Diamantis, Nikolaos   +2 more
openaire   +6 more sources

p-Adic limit of the Fourier coefficients of weakly holomorphic modular forms of half integral weight [PDF]

open access: yesIsrael Journal of Mathematics, 2010
From the authors' abstract: Serre obtained the \(p\)-adic limit of the integral Fourier coefficients of modular forms on \(\text{SL}_2(\mathbb Z)\) for \(p=2,3,5,7\). In this paper, we extend the result of Serre to weakly holomorphic modular forms of half integral weight on \(\Gamma_0(4N)\) for \(N=1,2,4\).
Choi, D, Choie, Y
openaire   +3 more sources

On cycle integrals of weakly holomorphic modular forms [PDF]

open access: yes, 2014
In this paper, we investigate cycle integrals of weakly holomorphic modular forms. We show that these integrals coincide with the cycle integrals of classical cusp forms.
Bringmann, Kathrin   +2 more
core   +3 more sources

Shintani lifts and fractional derivatives for harmonic weak Maass forms [PDF]

open access: yes, 2014
In this paper, we construct Shintani lifts from integral weight weakly holomorphic modular forms to half-integral weight weakly holomorphic modular forms.
Bringmann, Kathrin   +2 more
core   +2 more sources

Computing Jacobi Forms [PDF]

open access: yes, 2016
We describe an implementation for computing holomorphic and skew-holomorphic Jacobi forms of integral weight and scalar index on the full modular group. This implementation is based on formulas derived by one of the authors which express Jacobi forms in ...
Ryan, Nathan C.   +3 more
core   +1 more source

Weakly holomorphic modular forms of half-integral weight with nonvanishing constant terms modulo $\ell $ [PDF]

open access: yesTransactions of the American Mathematical Society, 2009
Summary: Let \( \ell\) be a prime and \( \lambda,j\geq 0\) be an integer. Suppose that \( f(z)=\sum_{n}a(n)q^n\) is a weakly holomorphic modular form of weight \( \lambda+\frac{1}{2}\) and that \( a(0)\not \equiv 0 \pmod{\ell}\). We prove that if the coefficients of \( f(z)\) are not ``well-distributed'' modulo \( \ell^j\), then \[ \lambda=0\text{ or }
openaire   +1 more source

Faber polynomials and poincare series [PDF]

open access: yes, 2011
In this paper we consider weakly holomorphic modular forms (i.e., those meromorphic modular forms for which poles only possibly occur at the cusps) of weight 2−k∈2\Z for the full modular group \SL2(\Z).
Kane, B
core   +2 more sources

Rankin-Selberg methods for closed strings on orbifolds [PDF]

open access: yes, 2013
In recent work we have developed a new unfolding method for computing one-loop modular integrals in string theory involving the Narain partition function and, possibly, a weak almost holomorphic elliptic genus. Unlike the traditional approach, the Narain
Angelantonj, Carlo   +2 more
core   +4 more sources

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