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Displaying similar documents to “Harmonic functions and Hardy spaces on trees with boundaries”

Harmonic functions on the real hyperbolic ball I: Boundary values and atomic decomposition of Hardy spaces

Philippe Jaming (1999)

Colloquium Mathematicae

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We study harmonic functions for the Laplace-eltrami operator on the real hyperbolic space n . We obtain necessary and sufficient conditions for these functions and their normal derivatives to have a boundary distribution. In doing so, we consider different behaviors of hyperbolic harmonic functions according to the parity of the dimension of the hyperbolic ball n . We then study the Hardy spaces H p ( n ) , 0

On the axiomatic of harmonic functions I

Corneliu Constantinescu, A. Cornea (1963)

Annales de l'institut Fourier

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On présente quelques remarques sur l’axiomatique des fonctions harmoniques de M. Brelot. Ainsi, on montre qu’il est possible de remplacer dans l’axiome 3 l’ensemble ordonné filtrant des fonctions harmoniques par une suite monotone, et, s’il existe une fonction surharmonique positive alors : a) l’espace est la réunion d’un fermé polaire et d’un ouvert σ -compact ; b) l’espace possède une base dénombrable s’il est localement à base dénombrable ; c) l’ensemble des composants...

Harmonic functions on classical rank one balls

Philippe Jaming (2001)

Bollettino dell'Unione Matematica Italiana

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In questo articolo studieremo le relazioni fra le funzioni armoniche nella palla iperbolica (sia essa reale, complessa o quaternionica), le funzione armoniche euclidee in questa palla, e le funzione pluriarmoniche sotto certe condizioni di crescita. In particolare, estenderemo al caso quaternionico risultati anteriori dell'autore (nel caso reale), e di A. Bonami, J. Bruna e S. Grellier (nel caso complesso).

p -harmonic measure is not additive on null sets

José G. Llorente, Juan J. Manfredi, Jang-Mei Wu (2005)

Annali della Scuola Normale Superiore di Pisa - Classe di Scienze

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When 1 < p < ∞ and p ≠ 2 the p -harmonic measure on the boundary of the half plane ℝ + 2 is not additive on null sets. In fact, there are finitely many sets E 1 , E 2 ,..., E κ in ℝ , of p -harmonic measure zero, such that E 1 ∪ E 2 ∪ . . . ∪ E κ = ℝ .