activity
20102026
most citedTwisted Traces of CM values of Harmonic Weak Maass Forms

29 citations · 51 across the 14 of their papers we have counts for

collaborators

14 papers

math.NT2026

Beyond Mock Modularity: Elliptic Corrections for Higher Dyson Ranks

Claudia Alfes, Ken Ono, Ashvin Swaminathan

When , the Dyson rank generating function is a classical bridge between partition theory, Ramanujan's mock theta functions, and the theory of harmonic Maass forms and nonhol…

math.NT2026

Magnetic orthogonal modular forms

Claudia Alfes, Paul Kiefer

In this note we show that certain meromorphic orthogonal modular forms are magnetic, i.e.\ their Fourier coefficients satisfy special divisibility criteria. These meromorphic ortho…

math.CO2025

Symplectic Hecke eigenbases from Ehrhart polynomials

Claudia Alfes, Joshua Maglione, Christopher Voll

For and , we consider the function extracting the th coefficient of the Ehrhart polynomials of lattice polytopes in . T…

math.NT2024

Cycle integrals of meromorphic Hilbert modular forms

Claudia Alfes, Baptiste Depouilly, Paul Kiefer +1

We establish a rationality result for linear combinations of traces of cycle integrals of certain meromorphic Hilbert modular forms. These are meromorphic counterparts to the Hilbe…

math.NT2024

Measures, modular forms, and summation formulas of Poisson type

Claudia Alfes, Paul Kiefer, Jan Mazáč

In this article, we show that Fourier eigenmeasures supported on spheres with radii given by a locally finite sequence, which we call -spherical measures, correspond to Fourier…

math.CO2024

Ehrhart polynomials, Hecke series, and affine buildings

Claudia Alfes, Joshua Maglione, Christopher Voll

Given a lattice polytope and a prime , we define a function from the set of primitive symplectic -adic lattices to the rationals that extracts the th coefficient of…

math.NT2023

On Kleinian mock modular forms

Claudia Alfes-Neumann, Michael Mertens

We give an explicit and computationally efficient construction of harmonic weak Maass forms which map to weight newforms under the -operator. Our work uses a new non-analyti…

math.NT2022

Harmonic weak Maass forms and periods II

Claudia Alfes-Neumann, Jan Hendrik Bruinier, Markus Schwagenscheidt

In this paper we investigate the Fourier coefficients of harmonic Maass forms of negative half-integral weight. We relate the algebraicity of these coefficients to the algebraicity…

math.NT2022

A classification of polyharmonic Maaß forms via quiver representations

Claudia Alfes-Neumann, Igor Burban, Martin Raum

We give a classification of the Harish-Chandra modules generated by the pullback to~$\SL{2}(\RR)$ of \emph{poly}harmonic Maaß forms for congruence subgroups of~$\SL{2}(\ZZ)$ with e…

math.NT2014★ 1 cited

Weierstrass mock modular forms and elliptic curves

Claudia Alfes, Michael Griffin, Ken Ono +1

Mock modular forms, which give the theoretical framework for Ramanujan's enigmatic mock theta functions, play many roles in mathematics. We study their role in the context of modul…

math.NT2012★ 4 cited

Formulas for the coefficients of half-integral weight harmonic Maass forms

Claudia Alfes

Recently, Bruinier and Ono proved that the coefficients of certain weight -1/2 harmonic weak Maaß forms are given as "traces" of singular moduli for harmonic weak Maaß forms. Here,…

math.NT2012★ 2 cited

The Mock Modular Data of a Family of Superalgebras

Claudia Alfes, Thomas Creutzig

The modular properties of characters of representations of a family of W-superalgebras extending the affine Lie superalgebra of gl(1|1) are considered. Modules fall into two classe…

math.NT2011★ 29 cited

Twisted Traces of CM values of Harmonic Weak Maass Forms

Claudia Alfes, Stephan Ehlen

We show that the twisted traces of CM values of weak Maass forms of weight 0 are Fourier coefficients of vector valued weak Maass forms of weight 3/2. These results generalize work…

math.NT2010★ 15 cited

Automorphic properties of generating functions for generalized odd rank moments and odd Durfee symbols

Claudia Alfes, Kathrin Bringmann, Jeremy Lovejoy

We define two-parameter generalizations of Andrews' -marked odd Durfee symbols and th symmetrized odd rank moments, and study the automorphic properties of some of their…