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A way to derive an explicit formulae in terms of the potentials, if they are finite-gap, for the solutions of spectral problems and corresponding algebraic curves is presented.

Exactly Solvable and Integrable Systems · Physics 2007-05-23 N. V. Ustinov , Yu. V. Brezhnev

In this paper, by using the residue theorem and asymptotic formulas of trigonometric and hyperbolic functions at the poles, we establish many relations involving two or more infinite series of trigonometric and hyperbolic trigonometric…

Number Theory · Mathematics 2017-08-09 Ce Xu

Many product formulas are known classically for generalized hypergeometric functions over the complex numbers. In this paper, we establish some analogous formulas for generalized hypergeometric functions over finite fields.

Number Theory · Mathematics 2022-10-07 Noriyuki Otsubo , Takato Senoue

Following our joint work arXiv:1003.4578 with Robert Langlands, we make the first steps toward developing geometric methods for analyzing trace formulas in the case of the function field of a curve defined over a finite field. We also…

Representation Theory · Mathematics 2015-03-17 Edward Frenkel , Ngo Bao Chau

By some hypergeometric summation theorems, the authors establish a series of new infinite summation formulas involving generalized harmonic numbers related to Riemann-Zeta function, with three different patterns.

Combinatorics · Mathematics 2019-08-27 Xiaoxia Wang , Xueying Yuan

By employing certain extended classical summation theorems, several surprising \pi and other formulae are displayed.

Number Theory · Mathematics 2012-05-31 Yong Sup Kim , Xiaoxia Wang , Arjun K. Rathie

This paper develops a generalized cotangent-type series, extending classical expansions to higher-order lattice sums. By introducing a new family of series indexed by integer powers, we derive closed form representations that combine…

Number Theory · Mathematics 2025-11-04 Mahipal Gurram

Permutation rational functions over finite fields have attracted high interest in recent years. However, only a few of them have been exhibited. This article studies a class of permutation rational functions constructed using trace maps on…

Number Theory · Mathematics 2024-01-01 Ruikai Chen , Sihem Mesnager

Building on the developments of many people including Evans, Greene, Katz, McCarthy, Ono, Roberts, and Rodriguez-Villegas, we consider period functions for hypergeometric type algebraic varieties over finite fields and consequently study…

Number Theory · Mathematics 2022-10-07 Jenny Fuselier , Ling Long , Ravi Ramakrishna , Holly Swisher , Fang-Ting Tu

Hypergeometric functions over finite fields were introduced by Greene in the 1980s as a finite field analogue of classical hypergeometric series. These functions, and their generalizations, naturally lend themselves to, and have been widely…

Number Theory · Mathematics 2023-08-04 Madeline Locus Dawsey , Dermot McCarthy

False theta functions are functions that are closely related to classical theta functions and mock theta functions. In this paper, we study their modular properties at all ranks by forming modular completions analogous to modular…

Number Theory · Mathematics 2022-06-29 Kathrin Bringmann , Jonas Kaszian , Antun Milas , Caner Nazaroglu

We give a description of finite-zone PT-potentials in terms of explicit theta functional formulas.

Spectral Theory · Mathematics 2024-11-22 I. A. Taimanov

We describe an approach to express the geometric side of the Arthur-Selberg trace formula in terms of zeta integrals attached to prehomogeneous vector spaces. This will provide explicit formulas for weighted orbital integrals and for the…

Representation Theory · Mathematics 2014-12-31 Werner Hoffmann

Our purpose in this present paper is to investigate generalized integration formulas containing the extended generalized hypergeometric function and obtained results are expressed in terms of extended hypergeometric function. Certain…

Classical Analysis and ODEs · Mathematics 2017-06-08 G. Rahman , A. Ghaffar , K. S. Nisar , S. Mubeen

In this paper, we study the right regular representation of a finite group $G$ on the vector space consisting of vector valued functions on $\Gamma\backslash G$ with a subgroup $\Gamma$ of $G$ and give a trace formula using the work of…

Group Theory · Mathematics 2007-05-23 Jae-Hyun Yang

In this paper, we introduce the so-called multiscale limit for spectral curves, associated with real finite-gap Sine-Gordon solutions. This technique allows to solve the old problem of calculating the density of topological charge for real…

Mathematical Physics · Physics 2009-04-30 P. G. Grinevich , K. V. Kaipa

We give a definition of generalized hypergeometric functions over finite fields using modified Gauss sums, which enables us to find clear analogy with classical hypergeometric functions over the complex numbers. We study their fundamental…

Number Theory · Mathematics 2023-08-03 Noriyuki Otsubo

The aim of this paper is to exhibit a method for proving that certain analytic functions are not solutions of algebraic differential equations. The method is based on model-theoretic properties of differential fields and properties of…

General Mathematics · Mathematics 2008-04-15 Zarko Mijajlovic , Branko Malesevic

We begin by defining general hypergeometric functions over finite fields and obtaining a finite field analogue of a classical symmetry in their complex counterparts. We give a geometric proof for the symmetry by constructing isomorphisms…

Number Theory · Mathematics 2026-04-22 Akio Nakagawa

We give a spectral interpretation of the critical zeros of the Riemann zeta function as an absorption spectrum, while eventual noncritical zeros appear as resonances. We give a geometric interpretation of the explicit formulas of number…

Number Theory · Mathematics 2007-05-23 Alain Connes
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