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Related papers: Singular curves and Baker-Akhiezer functions

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In this paper we prove the Bohr Theorem for slice regular functions. Following the historical path that led to the proof of the classical Bohr Theorem, we also extend the Borel-Carath\'eodory Theorem to the new setting.

Complex Variables · Mathematics 2014-04-14 Chiara Della Rocchetta , Graziano Gentili , Giulia Sarfatti

Using Serre's adelic interpretation of cohomology, we develop a `differential and integral calculus' on an algebraic curve X over an algebraically closed filed k of constants of characteristic zero, define algebraic analogs of additive…

Algebraic Geometry · Mathematics 2015-05-13 Leon A. Takhtajan

Curved algebras are a generalization of differential graded algebras which have found numerous applications recently. The goal of this foundational article is to introduce the notion of a curved operad, and to develop the operadic calculus…

Algebraic Topology · Mathematics 2023-12-12 Victor Roca i Lucio

A metrized complex of algebraic curves is a finite metric graph together with a collection of marked complete nonsingular algebraic curves, one for each vertex, the marked points being in bijection with incident edges. We establish a…

Algebraic Geometry · Mathematics 2015-03-20 Omid Amini , Matthew Baker

We consider the geometrical addition law on the elliptic curve in Tate coordinates. It corresponds to the general formal group law over the ring of polynomials with integer coefficients of the parametra of the curve. We study the structure…

Mathematical Physics · Physics 2010-10-06 Victor M. Buchstaber , Elena Yu. Bunkova

We describe those Weil divisors of cyclic quotient surface singularities which are (abstract) $r$--tuple curve singularities.

Algebraic Geometry · Mathematics 2024-10-22 José I. Cogolludo-Agustín , Tamás Lászlo , Jorge Martín-Morales , András Némethi

Archinard studied the curve $C$ over $\mathbb{C}$ associated to an Appell-Lauricella hypergeometric series and differential forms on its desingularization. In this paper, firstly as a generalization of Archinard's results, we describe a…

Algebraic Geometry · Mathematics 2022-02-01 Ryo Ohashi , Shushi Harashita

We introduce \textit{singular value functions} for C\(^*\)-algebras, generalizing the singular values of compact operators on Hilbert spaces. We also establish several fundamental properties of these singular value functions and present…

Functional Analysis · Mathematics 2026-05-19 Naoto Fujitsu

The aim of this paper is to inter-relate several algebraic and analytic objects, such as real-type algebraic curves, quadrature domains, functions on them and rational matrix functions with special properties, and some objects from Operator…

Spectral Theory · Mathematics 2010-12-10 Dmitry V. Yakubovich

The so called quantized algebras of functions on affine Hecke algebras of type A and the corresponding q-Schur algebras are defined and their irreducible unitarizable representations are classified.

Quantum Algebra · Mathematics 2007-05-23 Do Ngoc Diep

In this short survey we give a description of the theta functions of algebraic curves, half-integer theta-nulls, and the fundamental theta functions. We describe how to determine such fundamental theta functions and describe the components…

Complex Variables · Mathematics 2019-05-30 L. Beshaj , A. Elezi , T. Shaska

The present research deals with generalizations of the Salem function with arguments defined in terms of certain alternating expansions of real numbers. The special attention is given to modelling such functions by systems of functional…

General Mathematics · Mathematics 2024-03-12 Symon Serbenyuk

Based on Burnside's parametrization of the algebraic curve $y^2=x^5-x$ we provide remaining attributes of its uniformization: Fuchsian equations and their solutions, accessory parameters, monodromies, conformal maps, fundamental polygons,…

Classical Analysis and ODEs · Mathematics 2008-09-09 Yurii V. Brezhnev

We consider different generalizations of the Euler formula and discuss the properties of the associated trigonometric functions. The problem is analyzed from different points of view and it is shown that it can be formulated in a natural…

Classical Analysis and ODEs · Mathematics 2011-03-15 D. Babusci , G. Dattoli , E. Di Palma , E. Sabia

On Riemann surfaces $M$, there exists a canonical correspondence between a possibly multivalued function $\Psi_X$ whose differential is single valued ($i.e.$ an additively automorphic singular complex analytic function) and a vector field…

Complex Variables · Mathematics 2024-09-02 Alvaro Alvarez-Parrilla , Jesús Muciño-Raymundo

In this paper, we introduce and investigate two new subclasses of analytic functions in the open unit disk in the complex plane. Several interesting properties of the functions belonging to these classes are examined. Here, sufficient, and…

Complex Variables · Mathematics 2017-04-18 Nizami Mustafa

We discuss how to use the recent progress in understanding of the $x$-$y$ duality and symplectic duality in the theory of topological recursion and its generalizations in order to efficiently compute the quantum spectral curve operators for…

Mathematical Physics · Physics 2025-04-22 Alexander Hock , Sergey Shadrin

It is established that general s-convex functions are a new class of generalized convex functions. In a similar vein, a new class of general s-convex sets is introduced, which are generalizations of s-convex sets. Additionally, certain…

Optimization and Control · Mathematics 2023-01-03 Musavvir Ali , Ehtesham Akhter

We establish orthogonality relations for the Baker-Akhiezer (BA) eigenfunctions of the Macdonald difference operators. We also obtain a version of Cherednik-Macdonald-Mehta integral for these functions. As a corollary, we give a simple…

Quantum Algebra · Mathematics 2013-02-28 Oleg Chalykh , Pavel Etingof

An explicit formula for analytic torsion forms for fibrations by projective curves is given. In particular one obtains a formula for direct images in Arakelov geometry in the corresponding setting. The main tool is a new description of…

Algebraic Geometry · Mathematics 2023-09-29 Kai Koehler