Results 101 to 110 of about 21,050 (203)

Two-channel sampling in wavelet subspaces

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2015
We develop two-channel sampling theory in the wavelet subspace V1 from the multi resolution analysis {Vj}j∈𝕫. Extending earlier results by G. G. Walter [11], W. Chen and S. Itoh [2] and Y. M.
Kim J.M., Kwon K.H.
doaj   +1 more source

On the relation of the frame-related operators of fusion frame systems. [PDF]

open access: yesSampl Theory Signal Process Data Anal, 2023
Köhldorfer L, Balazs P.
europepmc   +1 more source

Research on fractional symmetry based on Riesz derivative

open access: yesAIP Advances
The variational problem, Noether symmetry and conserved quantity, and Lie symmetry and conserved quantity of singular systems are investigated on the basis of Riesz derivatives.
Cai Wang, Chuan-Jing Song
doaj   +1 more source

Structure and asymptotic expansion of eigenvalues of an integral-type nonlocal problem

open access: yesElectronic Journal of Differential Equations, 2016
We study the structure of eigenvalues of second-order differential equations with nonlocal integral boundary conditions. Moreover, we consider the asymptotic expansion of the eigenvalues and the corresponding eigenfunctions, which shows that the ...
Zhong-Cheng Zhou, Fang-Fang Liao
doaj  

Localization of Fréchet Frames and Expansion of Generalized Functions. [PDF]

open access: yesBull Malays Math Sci Soc, 2021
Pilipović S, Stoeva DT.
europepmc   +1 more source

Motion Magnification of Vibration Image in Estimation of Technical Object Condition-Review. [PDF]

open access: yesSensors (Basel), 2021
Śmieja M   +4 more
europepmc   +1 more source

On one non-local problem for axisymmetric Helmholtz equation

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2011
Non-local boundary problem for the axisymmetric Helmholtz equation is explored. The uniqueness of the solution is proved by the spectral method. The conditions of solvability are found.
Anton A Abashkin
doaj  

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