Results 41 to 50 of about 2,318,963 (319)

Maximal Functions, Littlewood–Paley Theory, Riesz Transforms and Atomic Decomposition in the Multi-parameter Flag Setting [PDF]

open access: yesMemoirs of the American Mathematical Society, 2016
In this paper, we develop via real variable methods various characterisations of the Hardy spaces in the multi-parameter flag setting. These characterisations include those via, the non-tangential and radial maximal function, the Littlewood–Paley square ...
Yongsheng Han   +3 more
semanticscholar   +1 more source

Weighted correlation based atom decomposition intonation modelling [PDF]

open access: yesInterspeech 2015, 2015
Intonation modelling is an integral part of text-to-speech systems from their very beginnings. This has led to the proliferation of various intonation models, each with its own relative strengths and weaknesses. Only a few of these intonation models are based on physiology, despite the advantage that such models are language independent.
Gerazov Branislav   +3 more
openaire   +1 more source

Parameterized Littlewood-Paley operators with variable kernels on Hardy spaces and weak Hardy spaces [PDF]

open access: yes, 2017
In this paper, by using the atomic decomposition theory of Hardy space and weak Hardy space, we discuss the boundedness of parameterized Littlewood-Paley operator with variable kernel on these spaces.Comment: 15 pages. arXiv admin note: text overlap with
Borton, Mikayla A.   +7 more
core   +4 more sources

Recent Progress on Micro-Fabricated Alkali Metal Vapor Cells

open access: yesBiosensors, 2022
Alkali vapor cells are the core components of atomic sensing instruments such as atomic gyroscopes, atomic magnetometers, atomic clocks, etc. Emerging integrated atomic sensing devices require high-performance miniaturized alkali vapor cells, especially ...
Xuelei Wang   +5 more
doaj   +1 more source

Transitive dendrite map with infinite decomposition ideal [PDF]

open access: yes, 2014
By a result of Blokh from 1984, every transitive map of a tree has the relative specification property, and so it has finite decomposition ideal, positive entropy and dense periodic points.
Špitalský, Vladimír
core   +1 more source

Reaction-dominated combustion control of ammonium perchlorate-based composites by layered V2C MXene

open access: yesEnergetic Materials Frontiers, 2022
Reactive combustion catalysts (RCCs) are emerging materials for the combustion control of ammonium perchlorate (AP)-based propellants owing to their unique ability to control burning rates, high atomic utilization, and high-energy output.
Bo Yang   +4 more
doaj   +1 more source

Frequency-Selective Vandermonde Decomposition of Toeplitz Matrices with Applications

open access: yes, 2017
The classical result of Vandermonde decomposition of positive semidefinite Toeplitz matrices, which dates back to the early twentieth century, forms the basis of modern subspace and recent atomic norm methods for frequency estimation.
Xie, Lihua, Yang, Zai
core   +1 more source

Atomic decompositions of Lorentz martingale spaces and applications

open access: yesJournal of Function Spaces and Applications, 2009
In the paper we present three atomic decomposition theorems of Lorentz martingale spaces. With the help of atomic decomposition we obtain a sufficient condition for sublinear operator defined on Lorentz martingale spaces to be bounded.
Jiao Yong, Peng Lihua, Liu Peide
doaj   +1 more source

Spherical Harmonic Atomic Norm and its Application to DOA Estimation

open access: yesIEEE Access, 2019
Signal processing in the spherical harmonic (SH) domain has the advantages of analyzing a signal on the sphere with equal resolution in the whole space and of decomposite the frequency- and location-dependent components of the signal. Therefore, it finds
Jie Pan
doaj   +1 more source

On new sharp theorems for multifunctional BMOA type spaces in bounded pseudoconvex domains

open access: yesVestnik KRAUNC: Fiziko-Matematičeskie Nauki, 2020
We provide new equivalent expressions in the unit ball and pseudoconvex domains for multifunctional analytic BMOA type space. We extend in various directions a known theorem of atomic decomposition of BMOA type spaces in the unit ball.
Shamoyan, R.F., Tomashevskaya, E.B.
doaj   +1 more source

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