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Mathematics Preprint PDF DOI

Reciprocity and the Maslov Phase

Jonathan Holland · 2026

We give a metaplectic proof of Hilbert reciprocity, and hence of quadratic reciprocity, in which the local phase is the Kashiwara--Maslov phase of a triple of Lagrangians. In rank two the phase of the…

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Mathematics Preprint PDF DOI

The Smallest Invariant Factor of Elliptic Curves, and Coincidences

Alexander Milner, Jack Shotton · 2026

For an elliptic curve E over Q and a natural number j, Cojocaru has shown that there is an explicit constant C_E,j giving (under GRH) the density of primes p of good reduction such that the smallest i…

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Mathematics Preprint PDF DOI

Gertsch quotient living in the "poor man's adele ring" $\mathcal{A}$: Kurepa-Bell-Wilson congruence

Francis Atta Howard · 2026

Wilson's theorem is notably related to left factorials, expressed as $K_p \equiv \mathbf{Bell}_{p-1} - 1 \pmod p$, for prime $p\geq3$. This study examines a Kurepa-Bell-Wilson congruence (\textbf{KBW}…

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Mathematics Preprint PDF DOI

Unlikely intersections in families of polynomial skew products

Chatchai Noytaptim, Xiao Zhong · 2026

Motivated by the study of unlikely intersection in the moduli space of rational maps, we initiate our investigation on algebraic dynamics for families of regular polynomial skew products in this artic…

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Computer Science Preprint PDF DOI

YMIR: A new Benchmark Dataset and Model for Arabic Yemeni Music Genre Classification Using Convolutional Neural Networks

Moeen AL-Makhlafi, Abdulrahman A. AlKannad, Eiad Almekhlafi, Nawaf Q. Othman Ahmed Mohammed, Saher Qaid · 2026

Automatic music genre classification is a major task in music information retrieval; however, most current benchmarks and models have been developed primarily for Western music, leaving culturally spe…

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Mathematics Preprint PDF DOI

A motivic Poisson formula for split algebraic tori with an application to motivic height zeta functions

Margaret Bilu, Lois Faisant · 2026

We prove a motivic version of the Poisson formula on the adelic points of a split algebraic torus and apply it to the study of the motivic height zeta function of split projective toric varieties, in …

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Mathematics Preprint PDF DOI

Cohomological descent for obstructions to local-global principle

Chang Lv · 2026

We develop a formalism of cohomological descent encoding adelic points and obstructions to local-global principle on algebraic stacks. As an application, by constructing new obstructions using the for…

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Physics Preprint PDF DOI

AMELI: Angular Matrix Elements of Lanthanide Ions

Reinhard Caspary · 2026

Matrix elements of spherical tensor operators are fundamental to the analysis of lanthanide spectra in both amorphous and crystalline host materials. In the intermediate coupling scheme, the eigenvect…

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Mathematics Preprint PDF DOI

Bogomolov property for modular Galois representations with nontrivial nebentypus

Pietro Piras · 2026

A field in which the (logarithmic) Weil height is bounded from below by a strictly positive constant is said to have the Bogomolov property (property (B)). Given a normalized eigenform $f\in S_k(\Gamm…

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Mathematics Preprint PDF DOI

The weight two and opposite sign cases for the Fourier relative trace formulas

Matteo Di Scipio · 2026

We provide an adelic relative trace formula proof to the Petersson/Bruggeman-Kuznetsov (PBK) formulas, specifically in the holomorphic case for $\kappa=2$ and the non-holomorphic case for $m_1m_2<0$. …

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Mathematics Preprint PDF DOI

The image of the adelic Galois representation of an elliptic curve with complex multiplication

Alvaro Lozano-Robledo, Benjamin York · 2026

Let $E/\mathbb{Q}$ be an elliptic curve and let $\rho_E \colon \operatorname{Gal}(\overline{\mathbb{Q}}/\mathbb{Q}) \to \operatorname{GL}(2, \widehat{\mathbb{Z}})$ be the adelic Galois representation …

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Mathematics Preprint PDF DOI

Heights on toric varieties for singular metrics: Global theory

Gari Y. Peralta Alvarez · 2026

In this paper, we develop a toric analog of the theory of adelic divisors on quasi-projective arithmetic varieties introduced by Yuan and Zhang, and extend the convex-analytic descriptions of the Arak…

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Mathematics Preprint PDF DOI

Explicit p-adic Hodge theory for elliptic curves and non-split Cartan images

Matthew Bisatt, Lorenzo Furio, Davide Lombardo · 2026

Let $E/\mathbb{Q}_p$ be an elliptic curve whose mod $p$ Galois image is contained in the normaliser of a non-split Cartan. We classify the possible $p$-adic images of $E$ using tools from $p$-adic Hod…

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Physics Preprint PDF DOI

A Perfectoid Duality Between M-Theory and F-Theory

Arshid Shabir, Bobby Eka Gunara, Mir Faizal · 2026

We present a non-singular, definition-level formulation of F-theory by replacing the traditional shrinking-fiber limit of M-theory with compactification on a tower-completed circle described using per…

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Mathematics Preprint PDF DOI

Pure extension of the theta divisor over the moduli space of abelian varieties

Ana Maria Botero, Jose Ignacio Burgos Gil, David Holmes, Robin de Jong · 2026

A theta divisor on the universal principally polarised abelian variety can be extended to a compactification either by taking the Zariski closure, or by taking the unique extension which is pure of we…

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Mathematics Preprint PDF DOI

Rational points on modular curves: parameterization and geometric explanations

Maarten Derickx, Sachi Hashimoto, Filip Najman, Ari Shnidman · 2026

We show that, conditional on Zywina's effective version of the Serre uniformity conjecture, there is a natural way to parameterize non-CM $\mathbb{Q}$-rational points on all modular curves in terms of…

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Mathematics Preprint PDF DOI

On the Jacobian of $\overline{{{\rm Spec}\,\mathbb Z}}$

Alain Connes, Caterina Consani · 2026

We interpret the structure of the adele class space of the rationals--and specifically its Riemann sector--as the natural monoidal extension of the Picard group of the arithmetic curve $\overline{\ope…

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Mathematics Preprint PDF DOI

Local Transitivity and Entanglement Obstructions for Primitive Points

Chi Nguyen, Arman Yagci, Yunchuan Zhou · 2026

Primitive points on the tower of modular curves $X_1(n)$ provide a finite "certificate set" for detecting isolated points above a fixed $j$-invariant: for a non-CM elliptic curve $E/\mathbb{Q}$, $j(E)…

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Computer Science Preprint PDF DOI

Query Languages for Machine-Learning Models

Martin Grohe · 2026

In this paper, I discuss two logics for weighted finite structures: first-order logic with summation (FO(SUM)) and its recursive extension IFP(SUM). These logics originate from foundational work by Gr…

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Computer Science Preprint PDF DOI

Recursive querying of neural networks via weighted structures

Martin Grohe, Christoph Standke, Juno Steegmans, Jan Van den Bussche · 2026

Expressive querying of machine learning models - viewed as a form of intentional data - enables their verification and interpretation using declarative languages, thereby making learned representation…

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