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Initially motivated by the relations between Anabelian Geometry and Artin's L-functions of the associated Galois-representations, here we study the list of zeta-functions of genus two abelian coverings of elliptic curves over finite fields.…

Number Theory · Mathematics 2016-01-25 Pavel Solomatin

We interpret the "explicit formula" in the sense of analytic number theory for the zeta function of an ordinary abelian variety of dimension g over a finite field as a transversal index theorem on a (2g+1)-dimensional Riemannian foliated…

Number Theory · Mathematics 2017-06-20 Ouidad Filali , Francesco Lemma

We formulate a refined theory of linear systems, using the methods of a previous paper, "A Theory of Branches for Algebraic Curves", and use it to give a geometric interpretation of the genus of an algebraic curve. Using principles of…

Algebraic Geometry · Mathematics 2010-03-31 Tristram de Piro

In algebraic geometry, superspecial curves are important research objects. While the number of superspecial genus-3 curves in characteristic $p$ is known, the number of hyperelliptic ones among them has not been determined even for small…

Algebraic Geometry · Mathematics 2025-07-17 Ryo Ohashi , Hiroshi Onuki , Momonari Kudo , Ryo Yoshizumi , Koji Nuida

We discuss the theory of generalized Weierstrass $\sigma$ and $\wp$ functions defined on a trigonal curve of genus four, following earlier work on the genus three case. The specific example of the "purely trigonal" (or "cyclic trigonal")…

Algebraic Geometry · Mathematics 2008-03-26 S. Baldwin , J. C. Eilbeck , J. Gibbons , Y. Ônishi

We construct the quantum curve for the Baker-Akhiezer function of the orbifold Gromov-Witten theory of the weighted projective line $\mathbb P[r]$. Furthermore, we deduce the explicit bilinear Fermionic formula for the (stationary)…

Mathematical Physics · Physics 2019-12-03 Chongyao Chen , Shuai Guo

We study the set of isomorphism classes of principal polarizations on abelian varieties of GL2-type. As applications of our results, we construct examples of curves C, C'/\Q of genus two which are nonisomorphic over \bar \Q and share…

Number Theory · Mathematics 2015-06-26 Josep Gonzalez , Jordi Guardia , Victor Rotger

We explicitly construct the algebraic model of affine Jacobian of a generic algebraic curve of high genus and use it to compute the Euler characteristic of the Jacobian and investigate its structure.

Mathematical Physics · Physics 2007-05-23 F. A. Smirnov , V. Zeitlin

We study smooth curves on abelian surfaces, especially for genus 4, when the complementary subvariety in the Jacobian is also a surface. We show that up to translation there is exactly one genus 4 hyperelliptic curve on a general (1,…

Algebraic Geometry · Mathematics 2019-11-13 Paweł Borówka , G. K. Sankaran

In this work we construct an analytically completely integrable Hamiltonian system which is canonically associated to any family of Calabi-Yau threefolds. The base of this system is a moduli space of gauged Calabi-Yaus in the family, and…

alg-geom · Mathematics 2008-02-03 Ron Donagi , Eyal Markman

We develop the theory of hyperelliptic Kleinian functions. As applications we consider construction of the explicit matrix realization of the hyperelliptic Kummer varieties, differential operators to have the hyperelliptic curve as spectral…

solv-int · Physics 2008-02-03 Victor Buchstaber , Victor Enolskii , Dmitri Leykin

We apply classical invariant theory of binary forms to explicitly characterize isomorphism classes of hyperelliptic curves of small genus and, conversely, propose algorithms for reconstructing hyperelliptic models from given invariants. We…

Number Theory · Mathematics 2011-11-18 Reynald Lercier , Christophe Ritzenthaler

Let $C$ be a hyperelliptic curve embedded in its Jacobian $J$ via an Abel-Jacobi map. We compute the scheme structure of the Hilbert scheme component of $\textrm{Hilb}_J$ containing the Abel-Jacobi curve as a point. We relate the result to…

Algebraic Geometry · Mathematics 2020-08-05 Andrea T. Ricolfi

We prove the geometric Bombieri-Lang conjecture for projective varieties which have finite maps to abelian varieties over function fields of characteristic 0. This generalizes the recent results of Xie-Yuan, which require either the…

Number Theory · Mathematics 2026-03-03 Guoquan Gao

Jacobi elliptic functions and complete elliptic integrals are generalized using three parameters. These generalized functions and integrals are closely related to ordinary differential equations involving $p$-Laplacian. In this paper,…

Classical Analysis and ODEs · Mathematics 2025-10-16 Hajime Sato , Nagi Suzuki , Shingo Takeuchi

Since their introduction by Beilinson-Drinfeld \cite{BD,Opers1}, opers have seen several generalizations. In \cite{BSY} a higher rank analog was studied, named {generalized $B$-opers}, where the successive quotients of the oper filtration…

Algebraic Geometry · Mathematics 2021-05-25 Indranil Biswas , Laura P. Schaposnik , Mengxue Yang

Alesker's theory of generalized valuations unifies smooth measures and constructible functions on real analytic manifolds, extending classical operations on functions and measures. Alesker showed that these operations agree with the…

Differential Geometry · Mathematics 2026-03-17 Andreas Bernig , Vadim Lebovici

We classify all the surfaces of general type whose canonical map is composed with a pencil if they are the quotient of the diagonal action by an Abelian group acting over the product of two curves. As far as we know all the previous…

Algebraic Geometry · Mathematics 2007-05-23 Francesco Zucconi

Combining tools from category theory, model theory, and non-standard analysis we extend Baker-Beynon dualities to the classes of all Abelian $\ell$-groups and all Riesz spaces (also known as vector lattices). The extended dualities have a…

Rings and Algebras · Mathematics 2023-10-23 Luca Carai , Serafina Lapenta , Luca Spada

A hyperbolic algebraic curve is a bounded subset of an algebraic set. We study the function theory and functional analytic aspects of these sets. We show that their function theory can be described by finite codimensional subalgebras of the…

Functional Analysis · Mathematics 2007-05-23 Jim Agler , John E. McCarthy
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