Results 51 to 60 of about 1,345 (163)

Bloch and Gap Subharmonic Functions

open access: yesReal Analysis Exchange, 2003
Let \({\mathbb B}_\alpha\) be the class of all positive subharmonic functions \(u\) in the open unit ball \(B_N\) of the space \({\mathbb R}^N\) such that \(G_\alpha (u) = \sup_{x\in B_N} (1-\| x\| ^2)^\alpha u(x) < +\infty.\) The analogous class \({\mathbb A}_\alpha\) of holomorphic in the disc functions \(f\) is defined by the condition \(\sup_{| z ...
openaire   +3 more sources

Subharmonic functions in certain regions [PDF]

open access: yesTransactions of the American Mathematical Society, 1972
In a recent paper Hellsten, Kjellberg, and Norstad considered bounded subharmonic functions u in |
openaire   +2 more sources

Trace of Multiplication Operator Restricted to Invariant Subspaces of some Weighted Bergman Space

open access: yesCumhuriyet Science Journal
Let ω be a logarithmically subharmonic weight that is radial and reproducing for the origin, and L_a^2 (D,ωdA) be the weighted Bergman space. Let f be a bounded holomorphic function on the open unit disc, I be a z-invariant subspace of L_a^2 (D,ωdA), and
Faruk Yılmaz
doaj   +1 more source

Analysis of the cavitating flow induced by an ultrasonic horn – Numerical 3D simulation for the analysis of vapour structures and the assessment of erosion-sensitive areas

open access: yesEPJ Web of Conferences, 2014
This paper reports the outcome of a numerical study of ultrasonic cavitation using a CFD flow algorithm based on a compressible density-based finite volume method with a low-Machnumber consistent flux function and an explicit time integration [15; 18] in
Mottyll Stephan   +5 more
doaj   +1 more source

Separately Subharmonic and Harmonic Functions are Subharmonic

open access: yes, 2009
The paper has been withdrawn, because of an ...
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Positive Lyapunov exponent of discrete analytic Jacobi operator

open access: yesElectronic Journal of Differential Equations, 2017
In this article, we study the Lyapunov exponent of discrete analytic Jacobi operator with a family of some mappings on the torus. By applying the theory of subharmonic functions, we prove that the Lyapunov exponent is positive, if the coupling number ...
Kai Tao
doaj  

ON PLURIHARMONICITY CRITERIA OF HARMONIC AND \(\mathcal M\)-HARMONIC FUNCTIONS IN THE ARBITRARY BALL OF \({\mathbb C}^{n}\)

open access: yesUral Mathematical Journal
This paper introduces the concept of \({\mathcal M}\)-harmonic function in an arbitrary ball  of  \({\mathbb C}^{n}\) and proves some criteria for pluriharmonicity of harmonic functions in this ball.
Mokhira D. Vaisova
doaj   +1 more source

On functions subharmonic in a Lipschitz domain [PDF]

open access: yesProceedings of the American Mathematical Society, 1978
Let D be a starlike Lipschitz domain in R n
openaire   +1 more source

On subharmonicity of doubly subharmonic functions [PDF]

open access: yesProceedings of the American Mathematical Society, 1966
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Strongly Subharmonic Functions.

open access: yesMATHEMATICA SCANDINAVICA, 1964
Hörmander, Lars, GARDING, Lars
openaire   +2 more sources

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