Results 1 to 10 of about 3,783 (150)

On cycle integrals of weakly holomorphic modular forms [PDF]

open access: greenMathematical Proceedings of the Cambridge Philosophical Society, 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   +10 more sources

Hecke grids and congruences for weakly holomorphic modular forms [PDF]

open access: green, 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   +5 more sources

$p$-adic properties of coefficients of weakly holomorphic modular forms [PDF]

open access: greenInternational Mathematics Research Notices, 2009
We examine the Fourier coefficients of modular forms in a canonical basis for the spaces of weakly holomorphic modular forms of weights 4, 6, 8, 10, and 14, and show that these coefficients are often highly divisible by the primes 2, 3, and 5.Comment: 16
Doud, Darrin, Jenkins, Paul
core   +5 more sources

Explicit construction of mock modular forms from weakly holomorphic Hecke eigenforms [PDF]

open access: goldOpen Mathematics, 2022
Extending our previous work we construct weakly holomorphic Hecke eigenforms whose period polynomials correspond to elements in a basis consisting of odd and even Hecke eigenpolynomials induced by only cusp forms.
Choi SoYoung, Kim Chang Heon
doaj   +3 more sources

On the zeros of weakly holomorphic modular forms [PDF]

open access: greenArchiv der Mathematik, 2014
In this article, we study the nature of zeros of weakly holomorphic modular forms. In particular, we prove results about transcendental zeros of modular forms of higher levels and for certain Fricke groups which extend a work of Kohnen.
Gun, Sanoli, Saha, Biswajyoti
core   +5 more sources

Interlacing of zeros of weakly holomorphic modular forms [PDF]

open access: goldProceedings of the American Mathematical Society, Series B, 2014
We prove that the zeros of a family of extremal modular forms interlace, settling a question of Nozaki. Additionally, we show that the zeros of almost all forms in a basis for the space of weakly holomorphic modular forms of
Paul Jenkins, Kyle Pratt
doaj   +5 more sources

Zeros of weakly holomorphic modular forms of levels 2 and 3 [PDF]

open access: bronzeMathematical Research Letters, 2013
Let $M_k^\sharp(N)$ be the space of weakly holomorphic modular forms for $\Gamma_0(N)$ that are holomorphic at all cusps except possibly at $\infty$. We study a canonical basis for $M_k^\sharp(2)$ and $M_k^\sharp(3)$ and prove that almost all modular ...
Garthwaite, Sharon Anne, Jenkins, Paul
core   +5 more sources

Weakly holomorphic modular forms in prime power levels of genus zero [PDF]

open access: green, 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   +4 more sources

Two-divisibility of the coefficients of certain weakly holomorphic modular forms [PDF]

open access: greenThe Ramanujan Journal, 2011
We study a canonical basis for spaces of weakly holomorphic modular forms of weights 12, 16, 18, 20, 22, and 26 on the full modular group. We prove a relation between the Fourier coefficients of modular forms in this canonical basis and a generalized ...
A. El-Guindy   +18 more
core   +4 more sources

Mock theta functions and weakly holomorphic modular forms modulo 2 and 3 [PDF]

open access: greenMathematical Proceedings of the Cambridge Philosophical Society, 2013
We prove that the coefficients of certain mock theta functions possess no linear congruences modulo 3. We prove similar results for the moduli 2 and 3 for a wide class of weakly holomorphic modular forms and discuss applications.
Ahlgren, Scott, Kim, Byungchan
core   +6 more sources

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