Results 11 to 20 of about 64,711 (180)

Level lowering for half-integral weight modular forms [PDF]

open access: hybridProceedings of the American Mathematical Society, 2009
In this paper we provide a level lowering result for half-integral weight modular forms. The main ingredients are the Shimura map from half-integral weight modular forms to integral weight modular forms along with a level lowering result for integral weight modular forms due to Ribet. It is necessary to keep track of the parity of the weight as well as
Jim Brown, Yingkun Li
openalex   +3 more sources

Ternary quadratic forms and half-integral weight modular forms [PDF]

open access: bronzeLMS Journal of Computation and Mathematics, 2012
AbstractLet k be a positive integer such that k≡3 mod 4, and let N be a positive square-free integer. In this paper, we compute a basis for the two-dimensional subspace Sk/2(Γ0(4N),F) of half-integral weight modular forms associated, via the Shimura correspondence, to a newform F∈Sk−1(Γ0(N)), which satisfies $L(F,\frac {1}{2})\neq 0$.
Alia Hamieh
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Eigenforms of half-integral weight [PDF]

open access: green, 2012
Let k be an odd integer and N a positive integer such that 4 | N.\ud Let X be a Dirichlet character modulo N. Shimura decomposes the space of\ud half-integral weight forms Sk/2(N,X) as\ud Sk/2(N,X) = S0(N,X)oOΦSk/2(N,X,Φ)\ud where Φ runs through the newforms of weight k-1 and level dividing N/2 and\ud character X2; Sk/2(N,X,Φ) is the subspace of forms ...
Soma Purkait
openalex   +1 more source

Voronoï Summation for Half-Integral Weight Automorphic Forms [PDF]

open access: yesInternational Mathematics Research Notices, 2021
Abstract A general Voronoï summation formula for the (metaplectic) double cover of $\operatorname{GL}_2$ is derived via the representation theoretic framework à la Ichino–Templier. The identity is also formulated classically and used to establish Voronoï summation formulae for half-integral weight modular forms and Maaß forms.
Assing, E, Corbett, A
openaire   +3 more sources

Borcherds products of half-integral weight [PDF]

open access: yesJournal of Number Theory, 2022
5 ...
Haowu Wang, Brandon Williams
openaire   +4 more sources

Bounds for twisted symmetric square L-functions via half-integral weight periods

open access: yesForum of Mathematics, Sigma, 2020
We establish the first moment bound $$\begin{align*}\sum_{\varphi} L(\varphi \otimes \varphi \otimes \Psi, \tfrac{1}{2}) \ll_\varepsilon p^{5/4+\varepsilon} \end{align*}$$ for triple product L-functions, where $\Psi $ is a fixed Hecke ...
Paul D. Nelson
doaj   +1 more source

On modular signs of half integral weights

open access: yesIndagationes Mathematicae, 2020
In this paper, we consider the first negative eigenvalue of eigenforms of half-integral weight k + 1/2 and obtain an almost type bound.
Chen, Bin, Wu, Jie, Zhang, Yichao
openaire   +5 more sources

Determining multiplicities of half-integral weight newforms [PDF]

open access: yesPacific Journal of Mathematics, 1995
Proceeding from a theorem of Ueda which establishes an isomorphism (as modules for appropriate Hecke algebras) between certain spaces of cusp forms of integral and half-integral weight, the authors decompose the (full) space of newforms of half-integral weight into a direct sum of spaces of newforms of integral weight which occur with multiplicity one ...
Shemanske, Thomas R., Walling, Lynne H.
openaire   +2 more sources

A handbook of holographic 4-point functions

open access: yesJournal of High Energy Physics, 2022
We present a comprehensive discussion of tree-level holographic 4-point functions of scalar operators in momentum space. We show that each individual Witten diagram satisfies the conformal Ward identities on its own and is thus a valid conformal ...
Adam Bzowski   +2 more
doaj   +1 more source

AdS Virasoro-Shapiro amplitude with KK modes

open access: yesJournal of High Energy Physics, 2023
We determine the first curvature correction for the string amplitude of two supergravity states and two Kaluza-Klein modes on AdS5×S5, which is dual to the correlator O 2 O 2 O p O p $$ \left\langle {\mathcal{O}}_2{\mathcal{O}}_2{\mathcal{O}}_p{\mathcal ...
Giulia Fardelli   +2 more
doaj   +1 more source

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