Results 11 to 20 of about 119,737 (282)

Weighted boundedness of multilinear pseudo-differential operators

open access: yesAIMS Mathematics, 2021
In this paper, the weighted boundedness for some multilinear operators generated by the pseudo-differential operators and the weighted Lipschitz functions are obtained.
Dazhao Chen
doaj   +1 more source

Global functional calculus for operators on compact Lie groups [PDF]

open access: yes, 2014
In this paper we develop the functional calculus for elliptic operators on compact Lie groups without the assumption that the operator is a classical pseudo-differential operator. Consequently, we provide a symbolic descriptions of complex powers of such
Ruzhansky, Michael, Wirth, Jens
core   +2 more sources

Computation of Pseudo-Differential Operators [PDF]

open access: yesSIAM Journal on Scientific Computing, 1996
Summary: A simple algorithm is described for computing general pseudo-differential operator actions. Our approach is based on the asymptotic expansion of the symbol together with the fast Fourier transform. The idea is motivated by the characterization of the pseudo-differential operator algebra.
Bao, Gang, Symes, William W.
openaire   +2 more sources

Non-Locality and Ellipticity in a Gauge-Invariant Quantization [PDF]

open access: yes, 1999
The quantum theory of a free particle in two dimensions with non-local boundary conditions on a circle is known to lead to surface and bulk states. Such a scheme is here generalized to the quantized Maxwell field, subject to mixed boundary conditions. If
COSIMO STORNAIOLO   +3 more
core   +3 more sources

A Radial Basis Function Finite Difference Scheme for the Benjamin–Ono Equation

open access: yesMathematics, 2020
A radial basis function-finite differencing (RBF-FD) scheme was applied to the initial value problem of the Benjamin–Ono equation. The Benjamin–Ono equation has traveling wave solutions with algebraic decay and a nonlocal pseudo-differential operator ...
Benjamin Akers, Tony Liu, Jonah Reeger
doaj   +1 more source

Nonharmonic analysis of boundary value problems [PDF]

open access: yes, 2015
In this paper we develop the global symbolic calculus of pseudo-differential operators generated by a boundary value problem for a given (not necessarily self-adjoint or elliptic) differential operator.
Ruzhansky, Michael, Tokmagambetov, Niyaz
core   +3 more sources

Asymptotic Consideration of Rayleigh Waves on a Coated Orthorhombic Elastic Half-Space Reinforced Using an Elastic Winkler Foundation

open access: yesMathematical and Computational Applications, 2023
This article derives approximate formulations for Rayleigh waves on a coated orthorhombic elastic half-space with a prescribed vertical load acting as an elastic Winkler foundation.
Ali M. Mubaraki
doaj   +1 more source

On the index of pseudo-differential operators on compact Lie groups [PDF]

open access: yes, 2019
In this note we study the analytical index of pseudo-differential operators by using the notion of (infinite dimensional) operator-valued symbols (in the sense of Ruzhansky and Turunen).
Cardona Sanchez, Duvan
core   +1 more source

On the disentanglement of Gaussian quantum states by symplectic rotations

open access: yesComptes Rendus. Mathématique, 2020
We show that every Gaussian mixed quantum state can be disentangled by conjugation with a unitary operator corresponding to a symplectic rotation via the metaplectic representation of the symplectic group.
de Gosson, Maurice A.
doaj   +1 more source

Higher-order gradient elasticity models applied to geometrically nonlinear discrete systems [PDF]

open access: yesTheoretical and Applied Mechanics, 2015
The buckling and post-buckling behavior of a nonlinear discrete repetitive system, the discrete elastica, is studied herein. The nonlinearity essentially comes from the geometrical effect, whereas the constitutive law of each component is ...
Challamel Noël   +2 more
doaj   +1 more source

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