搜索结果: 1-15 共查到“理学 multipliers”相关记录18条 . 查询时间(0.109 秒)
UNIMODULAR FOURIER MULTIPLIERS FOR MODULATION SPACES
Fourier multiplier modulation space short-time Fourier transform Schrodinger equation wave equation conservation of energy
2015/12/10
We investigate the boundedness of unimodular Fourier multipliers on modulation spaces. Surprisingly, the multipliers with general symbol ei|ξ|α, where α ∈ [0, 2], are bounded on all modulation spaces,...
Maximal multipliers on compact manifolds without boundary
Maximal multipliers compact manifolds boundary Analysis of PDEs
2012/7/11
Hormander-Mihklin type multiplier theorem on compacts manifolds withour boundary has been obtained by using the wave kernels. We consider maximal multiplies on this setting. To obtain the result, we c...
Pointwise multipliers of Calderón-Lozanovskii spaces
Banach ideal spaces Banach function spaces Calderon-Lozanovskii spaces symmetric spaces Orlicz spaces sequence spaces
2012/6/30
Several results concerning multipliers of symmetric Banach function spaces are presented firstly. Then the results on multipliers of Calder\'on-Lozanovskii spaces are proved. We investigate assumption...
Parabolic martingales and non-symmetric Fourier multipliers
Parabolic martingales non-symmetric Fourier multipliers Functional Analysis
2012/6/18
We give a class of Fourier multipliers with non-symmetric symbols and explicit norm bounds on $L^p$ spaces by using the stochastic calculus of L\'evy processes and Burkholder-Wang estimates for differ...
Completely positive multipliers of quantum groups
Locally compact quantum group manageable multiplicative unitary completely bounded multiplier
2011/9/21
Abstract: We show that any completely positive multiplier of the convolution algebra of the dual of an operator algebraic quantum group $\G$ (either a locally compact quantum group, or a quantum group...
On some new theorems on multipliers in harmonic function spaces in higher dimension II
multipliers spaces of harmonic functions Bergman type mixed norm spaces spherical harmonics
2011/9/5
Abstract: We present new sharp assertions concerning multipliers in various spaces of harmonic functions in the unit ball of $R^n$.
Approximation of Fourier Integral Operators by Gabor multipliers
Fourier Integral operators modulation spaces short-time Fourier transform Gabor multipliers
2011/9/1
Abstract: A general principle says that the matrix of a Fourier integral operator with respect to wave packets is concentrated near the curve of propagation. We prove a precise version of this princip...
On Nilpotent Multipliers of Some Verbal Products of Groups
Nilpotent multiplier Verbal product Nilpotent product Cyclic group
2011/1/19
The paper is devoted to finding a homomorphic image for the c-nilpotent multiplier of the verbal product of a family of groups with respect to a variety V when V ⊆ Nc or Nc ⊆ V. Also a str...
Some Inequalities for Nilpotent Multipliers of Finite Groups
Nilpotent multiplier Finite p-group Inequality
2011/2/21
In this paper we present some inequalities for the order, the expo-nent and the number of generators of the c-nilpotent multiplier (the Baer invariant with respect to the variety of nilpotent groups o...
On the Order of Schur Multipliers of Finite Abelian p-Groups
Schur multiplier Abelian p- group
2011/2/21
Let G be a finite p-group of order pn with |M(G)| = p n(n−1) 2 −t,where M(G) is the Schur multiplier of G. Ya.G. Berkovich, X. Zhou,and G. Ellis have determined the structure of G when t =...
Some Inequalities for Nilpotent Multipliers of Powerful $p$-Groups
Nilpotent multiplier Powerful p-group
2011/2/21
In this paper we present some inequalities for the order, the exponent,and the number of generators of the c-nilpotent multiplier (the Baer invariant with respect to the variety of nilpotent groups of...
Fourier multipliers for non-symmetric Lévy processes
Fouriermultiplier process with independent increments martingale transform
2011/2/24
We study Fourier multipliers resulting from martingale transforms of general L´evy processes.
Development of an anti-Compton veto for HPGe detectors operated in liquid argon using Silicon Photo-Multipliers
anti-Compton veto HPGe detectors liquid argon
2010/11/16
A proof of concept detector is presented for scintillation light detection in liquid argon using Silicon Photo-Multipliers. The aim of the work is to build an anti-Compton veto for germanium detector...
Multipliers of Laplace Transform Type for Laguerre and Hermite Expansions
Laguerre expansions Hermite expansions harmonic oscillator
2010/12/6
We present a new criterion for the boundedness in weighted Lp spaces of multiplier operators for Laguerre and Hermite expansions that arise from a Laplace-Stieltjes transform. As a special case, we re...
Let M, N be Orlicz functions, and let D(\ellM , \ellN ) be the space of all diagonal operators (that is multipliers) acting between the Orlicz sequence spaces \ellM and \ellN. We prove that the space ...