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Gross and Zagier proved a formula for the absolute norm N(j(\alpha_1) - j(\alpha_2)) of a difference of singular values of the modular function j. We formulate and prove the analogues of their result for a number of functions of level 2 and…

Number Theory · Mathematics 2007-05-23 Hans Roskam

We give a functional equation for the refined Herglotz-Zagier function. It is analogous to a result in the theory of modular forms.

Number Theory · Mathematics 2024-03-19 Ziyi Huang

This article is an overview of Zagier's and Kim's work on traces of singular moduli. We give more detailed or new proofs to some of their results and also describe some algorithms to compute spaces of Jacobi forms and weight $3/2$ modular…

Number Theory · Mathematics 2019-11-12 Malik Amir

We prove results pertaining to strong approximation for Markoff triples in the case of prime moduli.

Number Theory · Mathematics 2016-07-07 Jean Bourgain , Alexander Gamburd , Peter Sarnak

Let d1 and d2 be discriminants of distinct quadratic imaginary orders O_d1 and O_d2 and let J(d1,d2) denote the product of differences of CM j-invariants with discriminants d1 and d2. In 1985, Gross and Zagier gave an elegant formula for…

Number Theory · Mathematics 2015-07-28 Kristin Lauter , Bianca Viray

We prove a higher dimensional generalization of Gross and Zagier's theorem on the factorization of differences of singular moduli. Their result is proved by giving a counting formula for the number of isomorphisms between elliptic curves…

Number Theory · Mathematics 2011-12-12 Eyal Z. Goren , Kristin E. Lauter

We extend both Dobbertin's characterization of primely generated regular refinement monoids and Pierce's characterization of primitive monoids to general primely generated refinement monoids.

Rings and Algebras · Mathematics 2015-05-26 P. Ara , E. Pardo

We prove two formulas in the style of the Gross-Zagier theorem, relating derivatives of L-functions to arithmetic intersection pairings on a unitary Shimura variety. We also prove a special case of Colmez's conjecture on the Faltings…

Number Theory · Mathematics 2020-02-25 Jan Bruinier , Benjamin Howard , Stephen S. Kudla , Michael Rapoport , Tonghai Yang

In 1988, Gross proposed a conjectural congruence between Stickelberger elements and algebraic regulators, which is often referred to as the refined class number formula. In this paper, we prove this congruence.

Number Theory · Mathematics 2023-04-26 Minoru Hirose

The Gross-Zagier formula on singular moduli can be seen as a calculation of the intersection multiplicity of two CM divisors on the integral model of a modular curve. We prove a generalization of this result to a Shimura curve.

Number Theory · Mathematics 2025-09-16 Andrew Phillips

We determine couples of singular moduli which have rational products

Number Theory · Mathematics 2015-07-30 Yuri Bilu , Florian Luca , Amalia Pizarro-Madariaga

We give a new proof of a recent generalization to Shimura curve of genus 0 of the work of Gross and Zagier in `On singular moduli'. This generalization was conjectured by Giampietro and Darmon and proved by Daas by using $p$-adic…

Number Theory · Mathematics 2026-03-10 Mateo Crabit Nicolau

Zagier proved that the generating series for the traces of singular moduli is a \textit{weakly holomorphic} modular form of weight 3/2 on $\Gamma_0(4)$. Bruinier and Funke extended the results of Zagier to modular curves of arbitrary genus.…

Number Theory · Mathematics 2011-05-09 D. Choi

We prove a factorization theorem of generalized functions for moduli spaces of semistable parabolic bundles of any rank.

Algebraic Geometry · Mathematics 2007-05-23 Xiaotao Sun

We prove that all Mathieu groups, some linear, and unitary groups are factorizable.

Group Theory · Mathematics 2020-06-16 Nurlan Gasimli

Zagier proved that the traces of singular values of the classical j-invariant are the Fourier coefficients of a weight 3/2 modular form and Duke provided a new proof of the result by establishing an exact formula for the traces using…

Number Theory · Mathematics 2007-05-23 Dohoon Choi , Daeyeol Jeon , Soon-Yi Kang , Chang Heon Kim

We obtain a unification of two refinements of Euler's partition theorem respectively due to Bessenrodt and Glaisher. A specialization of Bessenrodt's insertion algorithm for a generalization of the Andrews-Olsson partition identity is used…

Combinatorics · Mathematics 2009-02-25 William Y. C. Chen , Henry Y. Gao , Kathy Q. Ji , Martin Y. X. Li

We give a cycle-theoretic proof of the Gross-Zagier conjecture in weight four for several modular curves of genus zero.

Algebraic Geometry · Mathematics 2025-09-03 Charles F. Doran , Matt Kerr

We apply Zagier's result for the traces of singular moduli to construct Borcherds products in higher level cases.

Number Theory · Mathematics 2007-05-23 Chang Heon Kim

We describe a refinement of the general theory of higher rank Euler, Kolyvagin and Stark systems in the setting of the multiplicative group over arbitrary number fields. We use the refined theory to prove new results concerning the Galois…

Number Theory · Mathematics 2019-03-25 David Burns , Ryotaro Sakamoto , Takamichi Sano
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