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Geodesics in the Heisenberg Group

open access: yesAnalysis and Geometry in Metric Spaces, 2015
We provide a new and elementary proof for the structure of geodesics in the Heisenberg group Hn. The proof is based on a new isoperimetric inequality for closed curves in R2n.We also prove that the Carnot- Carathéodory metric is real analytic away from ...
Hajłasz Piotr, Zimmerman Scott
doaj   +4 more sources

The Harmonic Oscillator on the Heisenberg Group [PDF]

open access: yesComptes Rendus. Mathématique, 2020
In this note we present a notion of harmonic oscillator on the Heisenberg group $\mathbf{H}_n$ which forms the natural analogue of the harmonic oscillator on $\mathbb{R}^n$ under a few reasonable assumptions: the harmonic oscillator on $\mathbf{H}_n ...
Rottensteiner, David, Ruzhansky, Michael
doaj   +5 more sources

Note on Heisenberg Characters of Heisenberg Groups [PDF]

open access: yesRatio Mathematica, 2018
An irreducible character χ of a group G is called a Heisenberg character, if Kerχ ⊇ [G,[G,G]]. In this paper, the Heisenberg characters of the quaternion Heisenberg, generalized Heisenberg, polarised Heisenberg and three other types of infinite ...
Alieh Zolfi, Ali Reza Ashrafi
doaj   +2 more sources

Critical nonlocal Schrödinger-Poisson system on the Heisenberg group

open access: yesAdvances in Nonlinear Analysis, 2021
In this paper, we are concerned with the following a new critical nonlocal Schrödinger-Poisson system on the Heisenberg group:
Liu Zeyi   +4 more
doaj   +2 more sources

CMC Spheres in the Heisenberg Group [PDF]

open access: yesAnalysis and Geometry in Metric Spaces, 2019
We study a family of spheres with constant mean curvature (CMC) in the Riemannian Heisenberg group H1. These spheres are conjectured to be the isoperimetric sets of H1. We prove several results supporting this conjecture.
Franceschi Valentina   +2 more
doaj   +6 more sources

Concentration-compactness results for systems in the Heisenberg group [PDF]

open access: yesOpuscula Mathematica, 2020
In this paper we complete the study started in [P. Pucci, L. Temperini, Existence for (p,q) critical systems in the Heisenberg group, Adv. Nonlinear Anal.
Patrizia Pucci, Letizia Temperini
doaj   +2 more sources

Riesz Potential on the Heisenberg Group [PDF]

open access: yesJournal of Inequalities and Applications, 2011
The relation between Riesz potential and heat kernel on the Heisenberg group is studied. Moreover, the Hardy-Littlewood-Sobolev inequality is established.
Jianxun He, Jinsen Xiao
doaj   +4 more sources

Invariant Translators of the Heisenberg Group [PDF]

open access: yesThe Journal of Geometric Analysis, 2018
We classify all the translating solitons to the mean curvature flow in the three-dimensional Heisenberg group that are invariant under the action of some one-parameter group of isometries of the ambient manifold.
Giuseppe Pipoli
semanticscholar   +6 more sources

A frequency space for the Heisenberg group [PDF]

open access: yesAnnales de l'Institut Fourier, 2016
We here revisit Fourier analysis on the Heisenberg group H^d. Whereas, according to the standard definition, the Fourier transform of an integrable function f on H^d is a one parameter family of bounded operators on L 2 (R^d), we define (by taking ...
H. Bahouri, J. Chemin, R. Danchin
semanticscholar   +5 more sources

Existence for (p, q) critical systems in the Heisenberg group

open access: yesAdvances in Nonlinear Analysis, 2019
This paper deals with the existence of entire nontrivial solutions for critical quasilinear systems (𝓢) in the Heisenberg group ℍn, driven by general (p, q) elliptic operators of Marcellini types.
Pucci Patrizia, Temperini Letizia
doaj   +2 more sources

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