Results 81 to 90 of about 440,251 (233)

Orbital angular momentum burst control in astigmatic structured beams in ABCD-matrix transforms

open access: yesКомпьютерная оптика
We developed and experimentally implemented an ABCD matrix formalism for describing structural transformations and orbital angular momentum of structured Laguerre-Gaussian beams in an astigmatic optical system containing cylindrical and corrective ...
A.V. Volyar   +3 more
doaj   +1 more source

Mann iteration and fixed point theorems for multidimensional matrix transforms with asymptotic properties

open access: yesJournal of Inequalities and Applications
Fixed point theorems for nonexpansive mappings are extended to double sequences using four-dimensional matrix transforms. Asymptotic dominance is introduced to unify iteration schemes, including a Mann iteration for Pringsheim convergence, and asymptotic
Sami M. Hamid, Richard F. Patterson
doaj   +1 more source

Image Coding With Data-Driven Fast Transforms Based on Approximate Givens Factorizations

open access: yesIEEE Access
In image compression, adaptive transform coding with optimal linear transforms computed from data being coded has been shown to outperform the widely used two-dimensional discrete cosine transform (2D-DCT).
Dilshan Morawaliyadda   +1 more
doaj   +1 more source

Kidney in the transformation matrix

open access: yesEuropean Heart Journal, 2019
Kerneis, Mathieu   +2 more
openaire   +3 more sources

Matrix Metalloproteinase 2 Activation of Transforming Growth Factor-β1 (TGF-β1) and TGF-β1–Type II Receptor Signaling Within the Aged Arterial Wall [PDF]

open access: bronze, 2006
Mingyi Wang   +7 more
openalex   +1 more source

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