English
Related papers

Related papers: On Euler-Ramanujan formula, Dirichlet series and m…

200 papers

In answer to a question of Andrews about finding combinatorial proofs of two identities in Ramanujan's "Lost" Notebook, we obtain weighted forms of Euler's theorem on partitions with odd parts and distinct parts. This work is inspired by…

Combinatorics · Mathematics 2007-05-23 William Y. C. Chen , Kathy Q. Ji

In this paper, we will give an Enneper-type representation for spacelike and timelike minimal surfaces in the Lorentz-Minkowski space $L^{3}$, using the complex and the paracomplex analysis (respectively). Then, we exhibit various examples…

Differential Geometry · Mathematics 2017-03-21 Irene I. Onnis , Adriana A. Cintra

We revisit old conjectures of Fermat and Euler regarding representation of integers by binary quadratic form x^2+5y^2. Making use of Ramanujan's_1\psi_1 summation formula we establish a new Lambert series identity for…

Number Theory · Mathematics 2007-05-23 Alexander Berkovich , Hamza Yesilyurt

The main goal of this article is to present an elementary proof of Ramanujan's identity for odd zeta values. Our proof solely relies on a Mittag-Leffler type expansion for hyperbolic cotangent function and Euler's identity for even zeta…

Number Theory · Mathematics 2022-02-04 Sarth Chavan

We introduce and prove evaluations for families of multiple elliptic integrals by solving special types of ordinary and partial differential equations. As an application, we obtain new expressions of Ramanujan-type series of level 4 and…

Classical Analysis and ODEs · Mathematics 2024-03-13 John M. Campbell , M. Lawrence Glasser , Yajun Zhou

We survey structure-preserving discretizations of minimal surfaces in Euclidean space. Our focus is on a discretization defined via parallel face offsets of polyhedral surfaces, which naturally leads to a notion of vanishing mean curvature…

Differential Geometry · Mathematics 2026-04-14 Wai Yeung Lam , Masashi Yasumoto

We study a Dirichlet-to-Neumann eigenvalue problem for differential forms on a compact Riemannian manifold with smooth boundary. This problem is a natural generalization of the classical Steklov problem on functions. We derive a number of…

Differential Geometry · Mathematics 2014-05-28 Simon Raulot , Alessandro Savo

The Dirichlet characters of reduced residue systems modulo m are tabulated for moduli m <= 195. The associated L-series are tabulated for m <= 14 and small positive integer argument s accurate to 10^(-50), their first derivatives for m <=…

Number Theory · Mathematics 2015-08-03 Richard J. Mathar

Given a C2-domain with compact boundary in an arbitrary complete Riemannian manifold, we search for smallness conditions on the boundary data for which the Dirichlet problem for the minimal hypersurface equation is solvable. We obtain an…

Differential Geometry · Mathematics 2017-09-26 Ari J. Aiolfi , Giovanni Nunes , Lisandra Sauer , Rodrigo B. Soares

This is an announcement of conjectures and results concerning the generating series of Euler characteristics of Hilbert schemes of points on surfaces with simple (Kleinian) singularities. For a quotient surface C^2/G with G a finite…

Algebraic Geometry · Mathematics 2015-12-23 Ádám Gyenge , András Némethi , Balázs Szendrői

The aim of this paper is to state and prove existence and uniqueness results for a general elliptic problem with homogeneous Neumann boundary conditions, often associated with image processing tasks like denoising. The novelty is that we…

Analysis of PDEs · Mathematics 2025-03-11 Bogdan Maxim

We derive two general transformations for certain basic hypergeometric series from the recurrence formulae for the partial numerators and denominators of two $q$-continued fractions previously investigated by the authors. By then…

Number Theory · Mathematics 2019-01-18 Douglas Bowman , James Mc Laughlin , Nancy J. Wyshinski

This article has two main objectives. The first one is to show Kuttler-Sigillito's type inequalities involving the mixed Neumann-Dirichlet, mixed Steklov-Dirichlet, and mixed Robin-Dirichlet eigenvalue problems. We will provide examples on…

Analysis of PDEs · Mathematics 2021-10-14 Stine Marie Berge

We give a survey on the development of the study of the asymptotic Dirichlet problem for the minimal surface equation on Cartan-Hadamard manifolds. Part of this survey is based on the introductory part of the doctoral dissertation of the…

Differential Geometry · Mathematics 2021-07-13 Esko Heinonen

We give a new formula for the Chern-Schwartz-MacPherson class of a hypersurface in a nonsigular compact complex analytic variety. In particular this formula generalizes our previous result on the Euler characteristic of such a hypersurface.…

Algebraic Geometry · Mathematics 2007-05-23 Adam Parusinski , Piotr Pragacz

We study the meromorphy of various Euler products of degree two attached to cusp forms including Ramanujan's $\Delta$-function.

Number Theory · Mathematics 2021-04-13 Shin-ya Koyama , Nobushige Kurokawa

We consider a surface $M$ immersed in $\mathbb{R}^3$ with induced metric $g=\psi\delta_2$ where $\delta_2$ is the two dimensional Euclidean metric. We then construct a system of partial differential equations that constrain $M$ to lift to a…

Differential Geometry · Mathematics 2007-05-23 Aaron Peterson , Stephen Taylor

To obtain the Dirichlet series for complex powers of the Riemann zeta function, we define and study the basic properties of a sequence of polynomials that, used as coefficients of the respective terms of the Dirichlet series of the Riemann…

Number Theory · Mathematics 2021-04-14 Winston Alarcón Athens

We consider a minimization problem that combines the Dirichlet energy with the nonlocal perimeter of a level set, namely $$ \int_\Om |\nabla u(x)|^2\,dx+\Per\Big(\{u > 0\},\Om \Big),$$ with $\sigma\in(0,1)$. We obtain regularity results for…

Analysis of PDEs · Mathematics 2013-06-25 Luis Caffarelli , Ovidiu Savin , Enrico Valdinoci

For a class of functions (called minimal Rad\'o functions) that arise naturally in minimal surface theory, we bound the number of interior critical points (counting multiplicity) in terms of the boundary data and the Euler characteristic of…

Differential Geometry · Mathematics 2023-06-22 David Hoffman , Francisco Martín , Brian White