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For finite extensions of a rational function field over a finite field, we prove a "P-adic class formula" in the spirit Taelman's work.

Number Theory · Mathematics 2025-02-13 Bruno Anglès

This article deals with the weak and strong unique continuation principle for fractional Schr\"odinger equations with scaling-critical and rough potentials via Carleman estimates. Our methods allow to apply the results to variable…

Analysis of PDEs · Mathematics 2016-06-29 Angkana Rüland

In this paper, we focus on the analysis of discrete versions of the Calderon problem with partial boundary data in dimension d >= 3. In particular, we establish logarithmic stability estimates for the discrete Calderon problem on an…

Analysis of PDEs · Mathematics 2024-05-14 Xiaomeng Zhao , Ganghua Yuan

We extend Carleson's formula to radially polynomially weighted Dirichlet spaces.

Complex Variables · Mathematics 2023-01-25 Brahim Bouya , Andreas Hartmann

We solve the Dirichlet problem in the unit disc and derive the Poisson formula using very elementary methods and explore consequent simplifications in other foundational areas of complex analysis.

Complex Variables · Mathematics 2022-01-13 Steven R. Bell , Luis Reyna de la Torre

We consider a linear runs and tumbles equation in dimension d $\ge$ 1 for which we establish the existence of a unique positive and normalized steady state as well as its asymptotic stability, improving similar results obtained by Calvez et…

Analysis of PDEs · Mathematics 2016-09-12 S Mischler , Q Weng

A new method for continuing the usual Dirichlet series that defines the Riemann zeta function ${\zeta}(s)$ is presented. Numerical experiments demonstrating the computational efficacy of the resulting continuation are discussed.

Number Theory · Mathematics 2022-07-15 Aditya Akula , Ghaith Hiary

In this work, we investigate the quantitative estimates of the unique continuation property for solutions of an elliptic equation $\Delta u = V u + W_1 \cdot \nabla u + \hbox{div} (W_2 u)$ in an open, connected subset of $\mathbb{R}^d$,…

Analysis of PDEs · Mathematics 2024-12-02 Pedro Caro , Sylvain Ervedoza , Lotfi Thabouti

In this paper we study unique continuation theorems for magnetic Schr\"odinger equation via Carleman estimates. We use integration by parts techniques in order to show these estimates. We consider electric and magnetic potentials with…

Analysis of PDEs · Mathematics 2013-12-10 Naiara Arrizabalaga , Miren Zubeldia

Recently a definition for a Lorentz invariant operator approximating the d'Alembertian in d-dimensional causal set space-times has been proposed. This operator contains several dimension-dependent constants which have been determined for…

Mathematical Physics · Physics 2015-06-17 Lisa Glaser

This paper is devoted to a study of the unique continuation property for stochastic parabolic equations. Due to the adapted nature of solutions in the stochastic situation, classical approaches to treat the the unique continuation problem…

Analysis of PDEs · Mathematics 2007-05-23 Xu Zhang

In this paper, we derive a local unique continuation property for stochastic hyperbolic equations without boundary conditions. This result is proved by a global Carleman estimate.

Analysis of PDEs · Mathematics 2018-01-03 Qi Lu , Zhongqi Yin

This paper is devoted to the study of the Dirichlet problem associated with the Dunkl Laplacian $\Delta_k$. We establish, under some condition on a bounded domain $D$ of $\R^d$, the existence of a unique continuous function $h$ on $\R^d$…

Classical Analysis and ODEs · Mathematics 2014-02-25 Mohamed Ben Chrouda

In this paper we prove strong unique continuation principle and unique continuation from sets of positive measure for solutions of a higher order fractional Laplace equation in an open domain. Our proofs are based on the…

Analysis of PDEs · Mathematics 2018-09-26 Veronica Felli , Alberto Ferrero

In this article, we develop a k-free zeta Dirichlet series into a Laurent series with a simple pole, and prove a Stieltjes like formula for the expansion coefficients of the regular part. We also investigate another analytical continuation…

Number Theory · Mathematics 2026-03-25 Artur Kawalec

Analyzing in detail the analytic continuation of the Riemann zeta function we are able to generate several new identities which may be useful for application in physics and mathematics.

Number Theory · Mathematics 2026-05-28 Paolo Valtancoli

We define the algebra of Colombeau generalized functions on a subset A of the space of d-dimensional generalized points. If the domain A is open, such generalized functions can be identified with pointwise maps from A into the ring of…

Functional Analysis · Mathematics 2008-11-11 Hans Vernaeve

We present analytic formulae that simplify the evaluation of the normalization of continuous spectrum stationary states in the one-dimensional Schr\"odinger equation.

Quantum Physics · Physics 2023-09-29 G. Kälbermann

In this paper, we consider a nonlinear Fuchsian type partial differential equation of the second order in the complex domain. Under a very weak assumption, we show the uniqueness of the solution. The result is applied to the problem of…

Analysis of PDEs · Mathematics 2021-10-19 Hidetoshi Tahara

We present a generalization of a formula of higher order derivatives and give a short proof.

Classical Analysis and ODEs · Mathematics 2016-06-28 Ulrich Abel