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Related papers: On self-adjointness of a Schroedinger operator

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We obtain several essential self-adjointness conditions for a Schroedinger type operator D*D+V acting in sections of a vector bundle over a manifold M. Here V is a locally square-integrable bundle map. Our conditions are expressed in terms…

Spectral Theory · Mathematics 2015-06-26 Maxim Braverman , Ognjen Milatovic , Mikhail Shubin

In the context of a weighted graph with vertex set $V$ and bounded vertex degree, we give a sufficient condition for the essential self-adjointness of the operator $\Delta_{\sigma}+W$, where $\Delta_{\sigma}$ is the magnetic Laplacian and…

Spectral Theory · Mathematics 2012-07-18 Ognjen Milatovic

We study $H=D^*D+V$, where $D$ is a first order elliptic differential operator acting on sections of a Hermitian vector bundle over a Riemannian manifold $M$, and $V$ is a Hermitian bundle endomorphism. In the case when $M$ is geodesically…

Spectral Theory · Mathematics 2015-05-21 Ognjen Milatovic , Francoise Truc

The purpose of this note is to present several criteria for essential self-adjointness. The method is based on ideas due to Shubin. This note is divided into two parts. The first part deals with symmetric first order systems on the line in…

Spectral Theory · Mathematics 2007-05-23 Matthias Lesch

We prove essential self-adjointness for semi-bounded below magnetic Schr\"odinger operators on complete Riemannian manifolds with a given positive smooth measure which is fixed independently of the metric. Some singularities of the scalar…

Spectral Theory · Mathematics 2007-05-23 Mikhail Shubin

We introduce the weighted graph Laplacian and the notion of Schr\"odinger operator on a locally finite weighted graph. Concerning essential self-adjointness, we extend Wojciechowski's and Dodziuk's results for graphs with vertex constant…

Spectral Theory · Mathematics 2012-01-25 Nabila Torki-Hamza

We give an explicit correspondence between the domains of the self-adjoint extensions of a one-dimensional Schr\"odinger differential operator with symmetric real-valued potential and the boundary conditions the functions in the resulting…

Mathematical Physics · Physics 2020-05-22 Atsushi Higuchi , David Serrano Blanco

We study Schr\"odinger operators $H=-\Delta+V$ in $L^2(\Omega)$ where $\Omega$ is $\mathbb R^d$ or the half-space $\mathbb R_+^d$, subject to (real) Robin boundary conditions in the latter case. For $p>d$ we construct a non-real potential…

Spectral Theory · Mathematics 2016-12-21 Sabine Bögli

This paper is devoted to the study of essential self-adjointness of a relativistic Schr\"{o}dinger operator with a singular homogeneous potential. From an explicit condition on the coefficient of the singular term, we provide a sufficient…

Analysis of PDEs · Mathematics 2014-05-13 Mouhamed Moustapha Fall , Veronica Felli

Using the concept of intrinsic metric on a locally finite weighted graph, we give sufficient conditions for the magnetic Schr\"odinger operator to be essentially self-adjoint. The present paper is an extension of some recent results proven…

Mathematical Physics · Physics 2012-12-07 Francoise Truc , Ognjen Milatovic

We consider general symmetric systems of first order linear partial differential operators on domains $\Omega \subset \mathbb{R}^d$, and we seek sufficient conditions on the coefficients which ensure essential self-adjointness. The…

Mathematical Physics · Physics 2018-03-23 Gheorghe Nenciu , Irina Nenciu

We present some properties of the first and second order Beltrami differential operators in metric spaces. We also solve the Schroedinger's equation for a wide class of potentials and describe spaces that the Hamiltonian of a system…

Mathematical Physics · Physics 2021-11-16 Nikos Bagis

We consider Schr\"odinger operators on possibly noncompact Riemannian manifolds, acting on sections in vector bundles, with locally square integrable potentials whose negative part is in the underlying Kato class. Using path integral…

Mathematical Physics · Physics 2012-12-10 Batu Güneysu , Olaf Post

Let $\Omega$ be a bounded domain in $R^n$ with $C^2$-smooth boundary of co-dimension 1, and let $H=-\Delta +V(x)$ be a Schr\"odinger operator on $\Omega$ with potential V locally bounded. We seek the weakest conditions we can find on the…

Mathematical Physics · Physics 2015-05-13 Gh. Nenciu , I. Nenciu

We introduce the weighted graph Laplacian and the notion of Schr\"odinger operator on a locally finite weighted graph . Concerning essential self-adjointness, we extend Wojciechowski's and Dodziuk's results for graphs with vertex constant…

Spectral Theory · Mathematics 2010-11-25 Nabila Torki-Hamza

We study the eigenvalues of the magnetic Schroedinger operator associated with a magnetic potential A and a scalar potential q, on a compact Riemannian manifold M, with Neumann boundary conditions if the boundary is not empty. We obtain…

Differential Geometry · Mathematics 2017-09-28 Bruno Colbois , Ahmad El Soufi , Said Ilias , Alessandro Savo

We work in the setting of infinite, not necessarily locally finite, weighted graphs. We give a sufficient condition for the essential self-adjointness of (discrete) Schr\"odinger operators $\mathcal{L}_{V}$ that are not necessarily lower…

Spectral Theory · Mathematics 2025-10-02 Ognjen Milatovic

We prove essential self-adjointness for a semibounded from below discrete magnetic Schr\"{o}dinger operator in a space that represents a combinatorial model of the two-dimensional Euclidean space. The Dezin discretization scheme is used for…

Analysis of PDEs · Mathematics 2009-09-28 Volodymyr Sushch

In the present work we consider in $L^2(\mathbb{R}_+)$ the Schr\"odinger operator $\mathrm{H_{X,\alpha}}=-\mathrm{\frac{d^2}{dx^2}}+\sum_{n=1}^{\infty}\alpha_n\delta(x-x_n)$. We investigate and complete the conditions of self-adjointness…

Functional Analysis · Mathematics 2012-04-04 I. I. Karpenko , D. L. Tyshkevich

We use boundary triples to find a parametrization of all self-adjoint extensions of the magnetic Schr\"odinger operator, in a quasi-convex domain~$\Omega$ with compact boundary, and magnetic potentials with components in…

Mathematical Physics · Physics 2020-09-25 Cesar R. de Oliveira , Wagner Monteiro
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