Results 81 to 90 of about 4,196,105 (283)

On the Dirichlet problem for beltrami equations with sources in simply connected domains

open access: yesДоповiдi Нацiональної академiї наук України
In this paper, we present our recent results on the solvability of the Dirichlet problem Reω(z) → φ (ζ) as z → ζ, z∈ D, ζ∈ ∂D, with continuous boundary data φ: ∂D ???? R for degenerate Beltrami equations ωz =µ(z)ω2 + σ(z), |µ(z) ˂ 1 a.e., with sources σ:
V.Ya. Gutlyanskiĭ   +3 more
doaj   +1 more source

Detecting spatial patterns with the cumulant function – Part 2: An application to El Niño [PDF]

open access: yesNonlinear Processes in Geophysics, 2008
The spatial coherence of a measured variable (e.g. temperature or pressure) is often studied to determine the regions of high variability or to find teleconnections, i.e. correlations between specific regions. While usual methods to find spatial patterns,
P. Yiou   +3 more
doaj  

Pointwise multipliers for functions of bounded mean oscillation

open access: yesJournal of the Mathematical Society of Japan, 1985
We characterize the set of pointwise multipliers on bmo\({}_{\phi}({\mathbb{R}}^ n)\), which generalizes the corresponding theorem by \textit{S. Janson} in the torus case [Ark. Mat. 14, 189-196 (1976; Zbl 0341.43005)]. To be more precise, let \(\phi\) (r) be a nondecreasing concave function on the positive real line, and \[ w(x,r)=\phi (r)/(|\int^{1}_ ...
NAKAI, Eiichi, YABUTA, Kozo
openaire   +3 more sources

Configuration‐Encoded Cell Alignment by Light‐Gated Silicon Photovoltaic Microcell Arrays

open access: yesAdvanced Functional Materials, EarlyView.
Light‐gated silicon photovoltaic microcells convert pulsed illumination into localized electrical cues. Arranging otherwise similar microcells into four‐lobed, six‐lobed, or circular patterns directs fibroblasts into corresponding local arrangements without wired stimulation.
Yifan Tao   +7 more
wiley   +1 more source

On the dual space of a Banach space of entire functions

open access: yesМатематичні Студії
Let \( \mathcal{L}_1 \) denote the subspace of \( L_1(\mathbb{R}) \) consisting of the restrictions to \( \mathbb{R} \) of entire functions of exponential type at most \( \pi \), equipped with the \( L_1(\mathbb{R}) \)-norm.
Ya. Mykytyuk, N. Sushchyk, D. Lukivska
doaj   +1 more source

A Miniaturized Autonomous Thermomagnetic Generator

open access: yesAdvanced Functional Materials, EarlyView.
Micro, autonomous and high power thermomagnetic generator operating between a heat dissipator and a processor. ABSTRACT Thermomagnetic generators (TMG) are promising devices for converting low‐grade waste heat into electricity. Self‐actuation using permanent magnets is the key to autonomy.
Morgan Almanza   +11 more
wiley   +1 more source

An embedding theorem for Campanato spaces

open access: yesElectronic Journal of Differential Equations, 2002
The purpose of this paper is to give a Sobolev type embedding theorem for the spaces $mathcal{L}_{p,q}^{lambda,s}(mathbb{R}^{n})$. The homogeneous versions of these spaces contain well known spaces such as the Bounded Mean Oscillation spaces (BMO) and ...
Azzeddine El Baraka
doaj  

Boundedness and Two-Weight Estimates for Fractional Hardy Operators and Their Commutators on Morrey–Herz Spaces

open access: yesMathematics
The principal objective of the present investigation is to rigorously establish the boundedness of fractional Hardy operators within the analytically intricate framework of two-weighted variable exponent Morrey–Herz spaces.
Muhammad Asim, Ghada AlNemer
doaj   +1 more source

Characterisations for analytic functions of bounded mean oscillation [PDF]

open access: yesBulletin of the Australian Mathematical Society, 1992
Let α > 0 and let f[α](z) be the αth fractional derivative of an analytic function f on the unit disc D. In this paper we show that f ∈ BMOA if and only if |f[α](z)|2 (l - |z|2)2α−1dA(z) is a Carleson measure and f ∈ VMOA if and only if |f[α](z)|2 (1 − |z|2)2α−1dA(z) is a vanishing Carleson measure, where A denotes the normalised Lebesgue measure on
openaire   +2 more sources

A construction of ergodic BMO functions

open access: yes, 1980
One can explicitly construct unbounded functions having bounded mean oscillation (and in fact vanishing mean oscillation) with respect to any given ergodic measure-preserving transformation of a Lebesgue space.
Karl Petersen
core   +1 more source

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