English
Related papers

Related papers: A note on the Neumann problem

200 papers

Some Titchmarsh results following Gram's law are improved in this paper.

Classical Analysis and ODEs · Mathematics 2009-01-13 Jan Mozer

Based on the theory of invariant sets of descending flow, we give a new proof of the existence of three nontrivial solutions and some remarks on it.

Analysis of PDEs · Mathematics 2018-11-26 Li Haoyu

We give a generalized and effective version of Bekehermes' improvement of Newman's Tauberian theorem. To do so we prove an effective version of the Riemann-Lebesgue Lemma for functions of bounded $p$-variation. We apply our Tauberian…

Complex Variables · Mathematics 2026-04-28 Jan-Christoph Schlage-Puchta , Christoph Schwerdt

The theory of holomorphic functions of several complex variables is applied in proving a multidimensional variant of a theorem involving an exponential boundedness criterion for the classical moment problem. A theorem of Petersen concerning…

Quantum Physics · Physics 2009-11-07 Anatolij Dvurecenskij , Pekka Lahti , Kari Ylinen

In part I we introduced modified Landweber-Kaczmarz methods and have established a convergence analysis. In the present work we investigate three applications: an inverse problem related to thermoacoustic tomography, a nonlinear inverse…

Numerical Analysis · Mathematics 2020-11-20 M. Haltmeier , R. Kowar , A. Leitao , O. Scherzer

We give a new equivalent condition for the Riemann hypothesis consisting in an order condition for certain finite rational combinations of the values of the Riemann zeta-function at even positive integers.

Number Theory · Mathematics 2007-05-23 Luis Baez-Duarte

The existence of at least three weak solutions for a kind of nonlinear time-dependent equation is studied. In fact, we consider the case that the source function has singularity at origin. To this aim, the variational methods and the…

Analysis of PDEs · Mathematics 2020-05-20 F. Abdolrazaghi , A. Razani , R. Mirzaei

The Neumann problem on an ellipsoid in R^n asks for a function harmonic inside the ellipsoid whose normal derivative is some specified function on the ellipsoid. We solve this problem when the specified function on the ellipsoid is a…

Analysis of PDEs · Mathematics 2019-11-05 Sheldon Axler , Peter J. Shin

We have dealt with the Euler's alternating series of the Riemann zeta function to define a regularized ratio appeared in the functional equation even in the critical strip and showed some evidence to indicate the hypothesis. We briefly…

General Mathematics · Mathematics 2012-12-29 Minoru Fujimoto , Kunihiko Uehara

In this paper we study the Neumann problem for a type of fully nonlinear second order elliptic partial differential equations on domains in $\mathbb{C}^{n}$ without any curvature assumptions on the domain.

Analysis of PDEs · Mathematics 2021-04-27 WeiSong Dong , Wei Wei

We give new proofs of some well-known results from Invariant Theorey using the Kempf-Ness theorem.

Algebraic Geometry · Mathematics 2007-05-23 Ivan V. Losev

We introduce a new fixed point theorem of Krasnoselskii type for discontinuous operators. As an application we use it to study the existence of positive solutions of a second-order differential problem with separated boundary conditions and…

Classical Analysis and ODEs · Mathematics 2017-03-14 Rubén Figueroa , Rodrigo López Pouso , Jorge Rodríguez-López

We establish the connection between the Steinitz problem for ordering vector families in arbitrary norms and its variant for not necessarily zero-sum families consisting of `nearly unit' vectors.

Metric Geometry · Mathematics 2026-03-20 Gergely Ambrus , Rainie Heck

We extend a theorem of Herman from the case of unicritical polynomials to the case of polynomials with two finite critical values. This theorem states that Siegel disks of such polynomials, under a diophantine condition (called Herman's…

Dynamical Systems · Mathematics 2016-03-15 Arnaud Chéritat , Pascale Roesch

In the paper we study properties of the set of critical points for self-similar sets. We introduce simple condition that implies at most countably many critical values and we construct a self-similar set with uncountable set of critical…

Metric Geometry · Mathematics 2011-09-12 Dusan Pokorny

We utilize a combination of integral transforms, including the Laplace transform, with some classical results in analytic number theory concerning the Riemann $\xi$-function, to obtain a new integral equation. We also provide a new proof of…

Number Theory · Mathematics 2021-04-13 Alexander E Patkowski

In this paper we use a dynamical approach to prove some new divergence theorems on complete non-compact Riemannian manifolds.

Differential Geometry · Mathematics 2016-12-28 Ítalo Melo , Enrique Pujals

An technically interesting proof of a known theorem.

Analysis of PDEs · Mathematics 2007-05-23 Andreas Wannebo

We review recent series of articles considering electromagnetic effects in self-gravitating systems of nuclear matter. The results find their explicit application within the theory of neutron stars.

Solar and Stellar Astrophysics · Physics 2012-10-29 Kuantay Boshkayev , Michael Rotondo , Remo Ruffini

The aim of this paper is to give some applications of Zalcman's Rescalling Lemma.

Complex Variables · Mathematics 2022-10-20 P. V. Dovbush